Online Medical Textbooks on Causes of Rash

RASH--DISTRIBUTION
(Algorithmic Diagnosis of Symptoms and Signs)
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... Is it focal or diffuse? Focal rashes suggest the dermatophytoses, scabies, actinic dermatitis, herpes zoster, warts, contact dermatitis, erythema ... DIAGNOSTIC WORKUP ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

RASH--MORPHOLOGY
(Algorithmic Diagnosis of Symptoms and Signs)
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... Is the rash macular or papular? A macular or papular rash would suggest scarlet fever, measles, erythema multiforme, exfoliative dermatitis, pityriasis rosea, eczema, contact dermatitis, secondary ... DIAGNOSTIC WORKUP ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

PRURITUS ANI
(Algorithmic Diagnosis of Symptoms and Signs)
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... Itching at the anus is almost always due to anal or rectal conditions, the most likely of which is hemorrhoids. If there is frequent passage of bright red blood in the stool along with a painful bowel movement, one should... DIAGNOSTIC WORKUP ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

PRURITUS, GENERALIZED
(Algorithmic Diagnosis of Symptoms and Signs)
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... Is the pruritus associated with a generalized rash? Almost every generalized rash may be associated with pruritus, but the most common ones are urticaria, dermatitis herpetiformis, eczema, scabies, ... DIAGNOSTIC WORKUP ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

PRURITUS, VULVAE
(Algorithmic Diagnosis of Symptoms and Signs)
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... Is there a vaginal discharge? The presence of a vaginal discharge should suggest candidiasis, trichomoniasis vaginitis, and bacterial vaginitis. Is there a ... DIAGNOSTIC WORKUP ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria
(In a Page: Signs and Symptoms)
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... Urticaria, also known as hives, is a very common clinical presentation characterized by transient (<12 hours), itchy dermal wheals. Angioedema is defined as subcutaneous or mucosal (often of the lips) swelling that is episodic and>... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Scalp Rash
(In a Page: Signs and Symptoms)
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... Scalp dermatitis or infection is easy to diagnose, but it can be challenging to treat. Topical therapy or topical plus systemic therapy for prolonged periods are often necessary to successfully control these disorders. Seborrheic... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pruritis without Rash
(In a Page: Signs and Symptoms)
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... Pruritus, or itching, is the most common dermatologic complaint. When pruritus occurs without cutaneous findings, a thorough history, physical exam, and laboratory tests must be obtained to rule out a... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Hand and Foot Rashes
(In a Page: Signs and Symptoms)
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... Hand and foot rashes do not all look alike: Look for the subtle clues discussed below and obtain a detailed exposure and health history to narrow the differential. Be sure to evaluate the... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pruritis with Rash
(In a Page: Signs and Symptoms)
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... Pruritus, or itching, is the most common dermatologic complaint. When pruritus occurs with cutaneous findings, the clinician must carefully analyze the dermatologic findings to identify the underlying cause. Severe pruritus may lead to... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Rash with Fever
(In a Page: Signs and Symptoms)
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... The etiologies of rash with fever are vast, but a systematic approach will help the clinician quickly narrow the differential. Patients who appear “toxic” with fever... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Genital Skin Lesions
(In a Page: Signs and Symptoms)
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... Skin lesions in the genital area are common, and the etiology can range from simple irritation to sexually transmitted diseases to malignancy. The appearance of the lesion, the presence of pain and/or itching, and a... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Papulosquamous Lesions
(In a Page: Signs and Symptoms)
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... Papulosquamous is a term used for skin lesions that are papular and present in the superficial skin layer (the squamous layer). Papulosquamous rashes are defined as exanthems that have palpable epidermal changes... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Vesicular & Bullous Lesions
(In a Page: Signs and Symptoms)
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... Vesicular and bullous rashes must be approached systematically so that serious causes are not missed. Initially, a determination as to whether the lesions are focal or diffuse... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pruritus
(In A Page: Pediatric Signs and Symptoms)
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... Pruritus is the desire to scratch that is induced by unpleasant cutaneous sensations caused by histamines and other endogenous substances. Atopic dermatitis is one of the most common childhood skin diseases;... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria
(In A Page: Pediatric Signs and Symptoms)
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... Drug-induced urticaria is the most common form of urticaria in children; anaphylaxis and hereditary angioedema are life-threatening conditions; remember ABCs of resuscitation ... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Annular Rashes
(In A Page: Pediatric Signs and Symptoms)
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... Annular rashes (from Latin “annulus” = ring; syn. circinate) are ring-shaped lesions, although their morphology can vary and may also present as irregular, oval, semiannular... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Hand & Foot Rashes
(In A Page: Pediatric Signs and Symptoms)
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... Hand and foot rashes are generally nonspecific, but their presence or absence might help in establishing the diagnosis in a wide variety of conditions. The palms and soles are covered with squamous epiderma that... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Morbilliform Rashes
(In A Page: Pediatric Signs and Symptoms)
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... The term morbilliform means “measles-like.” Approximately 80% of all cutaneous drug reactions are morbilliform in nature, and many nonspecific viruses cause a morbilliform rash. True measles is rare in the... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Vesicular Rashes
(In A Page: Pediatric Signs and Symptoms)
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... A vesicle is <5 mm and a bulla is >5 mm in diameter (epidermal is flaccid; sub-epidermal is tense), a pustule is a pus-filled vesicle or bulla. The most common causes are>... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

PRURITUS
(Differential Diagnosis in Primary Care)
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... The differential diagnosis of pruritus is best developed by anatomy. Local conditions such as bites and parasitic infestations (e.g., scabies, hookworms, and schistosomiasis) usually reveal an obvious ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

RASH, GENERAL
(Differential Diagnosis in Primary Care)
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... The best way to recall the causes of a general rash while still examining the patient is to think of the mnemonic DERMATITIS. 4 ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

RASH, LOCAL
(Differential Diagnosis in Primary Care)
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... The differential diagnosis of a local rash is best approached with the mnemonic VINDICATE. V—Vascular suggests livedo reticularis, acrocyanosis, gangrene of ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pruritus
(Handbook of Signs & Symptoms (Third Edition))
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... Commonly provoking scratching to gain relief, this unpleasant itching sensation affects the skin, certain mucous membranes, and the eyes. Most severe at night, pruritus may be exacerbated by... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Skin, scaly
(Handbook of Signs & Symptoms (Third Edition))
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... Scaly skin results when cells of the uppermost skin layer (stratum corneum) desiccate and shed, causing excessive accumulation of loosely adherent flakes of normal or abnormal keratin. Normally, skin cell loss is... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Butterfly rash
(Handbook of Signs & Symptoms (Third Edition))
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... The presence of a butterfly rash is typically a sign of systemic lupus erythematosus (SLE), but it can also signal dermatologic disorders. Typically, butterfly rash appears in a malar distribution across the nose... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Papular rash
(Handbook of Signs & Symptoms (Third Edition))
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... A papular rash consists of small, raised, circumscribed — and perhaps discolored (red to purple) — lesions known as papules. It may erupt anywhere on the body in various configurations and may be acute or chronic.... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pustular rash
(Handbook of Signs & Symptoms (Third Edition))
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... A pustular rash is made up of crops of pustules — a visible collection of pus within or beneath the epidermis, commonly in a hair follicle or sweat pore. These lesions vary greatly in size and shape and can be... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Vesicular rash
(Handbook of Signs & Symptoms (Third Edition))
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... A vesicular rash is a scattered or linear distribution of blisterlike lesions — sharply circumscribed and filled with clear, cloudy, or bloody fluid. The lesions, which are usually less than 0.5 cm in... History and physical examination ... Medical causes ... Special considerations ... Pediatric pointers ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria [Hives]
(Handbook of Signs & Symptoms (Third Edition))
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... Urticaria is a vascular skin reaction characterized by the eruption of transient pruritic wheals — smooth, slightly elevated patches with well-defined erythematous margins and... Emergency interventions ... History ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pruritus
(A Pocket Manual of Differential Diagnosis)
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... Pruritus with Diagnostic Skin Lesions Infestation (especially scabies, lice, fleas) Xerosis (dry skin; for example, secondary to low ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria
(A Pocket Manual of Differential Diagnosis)
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... Specific antigen sensitivity (e.g., foods, food additives, Hymenoptera venom) Physical agents    Pressure, mechanical irritation, vibratory, water ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Rocky Mountain spotted fever
(Professional Guide to Diseases (Eighth Edition))
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... Rocky Mountain spotted fever (RMSF) is a febrile, rash-producing illness caused by Rickettsia rickettsii. The disease is transmitted to humans by a tick bite. RMSF is... Causes and incidence ... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pruritus ani
(Professional Guide to Diseases (Eighth Edition))
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... Pruritus ani is perianal itching, irritation, or superficial burning. This disorder is more common in males than in females and occurs in adults and children. Causes Factors that... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria and angioedema
(Professional Guide to Diseases (Eighth Edition))
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... Urticaria, commonly known as hives, is an episodic, usually self-limited skin reaction characterized by local dermal wheals surrounded by an erythematous flare. Angioedema is a... Causes and incidence ... Signs and symptoms ... Diagnosis ... Treatment ... Special considerations ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pruritus
(Professional Guide to Signs & Symptoms (Fifth Edition))
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... Commonly provoking scratching to gain relief, this unpleasant itching sensation affects the skin, certain mucous membranes, and the eyes. Most severe at night, pruritus may be exacerbated by increased skin temperature, poor skin turgor,... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Skin, scaly
(Professional Guide to Signs & Symptoms (Fifth Edition))
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... Scaly skin results when cells of the uppermost skin layer (stratum corneum) desiccate and shed, causing excessive accumulation of loosely adherent flakes of normal or abnormal... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Butterfly rash
(Professional Guide to Signs & Symptoms (Fifth Edition))
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... A butterfly rash is typically a sign of systemic lupus erythematosus (SLE), but it can also signal dermatologic disorders. Typically, this rash appears in a malar distribution across the nose and cheeks. (See Recognizing butterfly... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Café-au-lait spots
(Professional Guide to Signs & Symptoms (Fifth Edition))
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... An important indicator of neurofibromatosis and other congenital melanotic disorders, café-au-lait spots appear as flat, light brown, uniformly hyperpigmented macules or patches on the skin surface. They usually appear during the... History and physical examination ... Medical causes ... Special considerations ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Papular rash
(Professional Guide to Signs & Symptoms (Fifth Edition))
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... A papular rash consists of small, raised, circumscribed—and perhaps discolored (red to purple)—lesions known as papules. It may erupt anywhere on the body in various configurations and... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pustular rash
(Professional Guide to Signs & Symptoms (Fifth Edition))
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... A pustular rash is made up of crops of pustules—a visible collection of pus within or beneath the epidermis, commonly in a hair follicle or sweat pore. These lesions vary greatly in size... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Vesicular rash
(Professional Guide to Signs & Symptoms (Fifth Edition))
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... A vesicular rash is a scattered or linear distribution of blisterlike lesions that are sharply circumscribed and filled with clear, cloudy, or bloody fluid. The lesions, which are usually less than 0.5 cm in diameter, may occur singly... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria [Hives]
(Professional Guide to Signs & Symptoms (Fifth Edition))
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... Urticaria is a vascular skin reaction characterized by the eruption of transient pruritic wheals—smooth, slightly elevated patches with well-defined erythematous margins and pale centers of... Emergency Interventions ... History ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pruritus
(The 10-Minute Diagnosis Manual: Symptoms and Signs in the Time-Limited Encounter)
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... Beverly A. VonderPool Approach  Pruritus, a sense of the need to scratch, is an unpleasant cutaneous sensation that has numerous causes. A practical approach is to look for causes with the... History ... Physical examination ... Diagnostic tests ... Diagnostic assessment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria
(The 10-Minute Diagnosis Manual: Symptoms and Signs in the Time-Limited Encounter)
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... Rachelle L. Cassity Urticaria (hives) is a common condition. The lesions appear well circumscribed. Typically, they are first erythematous and subsequently develop a central wheal. They usually clear within 3 to 4... Approach ... History ... Physical examination ... Testing ... Diagnostic assessment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Rash Accompanied by Fever
(The 10-Minute Diagnosis Manual: Symptoms and Signs in the Time-Limited Encounter)
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... Michael L. O’Dell Fever with an accompanying rash represents a diagnostic challenge for even the most experienced of clinicians, as this combination of signs can... Approach ... History ... Physical examination ... Testing ... Diagnostic assessment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Maculopapular Rash
(The 10-Minute Diagnosis Manual: Symptoms and Signs in the Time-Limited Encounter)
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... Michael L. O’Dell Approach  Rashes are commonly described in a defined set of ways. Macules are skin lesions that are flat and discolored, and up to 1 cm in diameter. Papules are also up to 1 cm,... History ... Physical examination ... Testing ... Diagnostic assessment ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Vesicular and Bullous Eruptions
(The 10-Minute Diagnosis Manual: Symptoms and Signs in the Time-Limited Encounter)
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... Marcia J. Chesebro Approach  The initial approach to the patient with fluid-filled lesions involves assessment of the severity of the illness:... History ... Physical ... Testing ... Diagnostic assessment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Scaling Rash
(Field Guide to Bedside Diagnosis)
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... Differential Overview ❑ Eczema ❑ Atopic dermatitis ❑ Seborrheic dermatitis ❑ Tinea versicolor ... Clinical Findings ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria/Angioedema
(Field Guide to Bedside Diagnosis)
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... Differential Overview ❑ Ingestants ❑ Drugs ❑ Inhalants ❑ Hymenoptera... Diagnostic Approach ... Clinical Findings ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria and angioedema
(Handbook of Diseases)
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... Urticaria, commonly known as hives, is an episodic, usually self-limited skin reaction characterized by local dermal wheals surrounded by an erythematous flare. Angioedema, which can present either subcutaneously or... Causes ... Signs and symptoms ... Diagnosis ... Treatment ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria
(Alarming Signs and Symptoms: Lippincott Manual of Nursing Practice Series)
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... Urticaria is a vascular skin reaction characterized by the eruption of transient pruritic wheals — smooth, slightly elevated patches with well-defined erythematous margins and pale centers of... Assessment ... History ... Physical examination ... Pediatric pointers ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pruritus
(Signs & Symptoms: A 2-in-1 Reference for Nurses)
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... Commonly provoking scratching to gain relief, this unpleasant itching sensation affects the skin, certain mucous membranes, and the eyes. Most severe at night, pruritus may be... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Skin, scaly
(Signs & Symptoms: A 2-in-1 Reference for Nurses)
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... Scaly skin results when cells of the uppermost skin layer (stratum corneum) desiccate and shed, causing excessive accumulation of loosely adherent flakes of normal or abnormal keratin.... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria
(Signs & Symptoms: A 2-in-1 Reference for Nurses)
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... Urticaria, also known as hives, is a vascular skin reaction characterized by the eruption of transient pruritic wheals — smooth, slightly elevated patches with well-defined erythematous margins and pale... Emergency Actions ... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Butterfly rash
(Signs & Symptoms: A 2-in-1 Reference for Nurses)
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... The presence of a butterfly rash is typically a sign of systemic lupus erythematosus (SLE), but it can also signal dermatologic disorders. Generally, butterfly rash appears in a malar distribution across the nose and cheeks. ... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Papular rash
(Signs & Symptoms: A 2-in-1 Reference for Nurses)
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... A papular rash consists of small, raised, circumscribed — and perhaps discolored (red to purple) — lesions known as papules. It may erupt anywhere on the body in various... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pustular rash
(Signs & Symptoms: A 2-in-1 Reference for Nurses)
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... A pustular rash is made up of crops of pustules — visible collections of pus within or beneath the epidermis, commonly in a hair follicle or sweat pore. These lesions vary greatly in size and shape and can be generalized or localized... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Vesicular rash
(Signs & Symptoms: A 2-in-1 Reference for Nurses)
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... A vesicular rash is a scattered or linear distribution of blisterlike lesions — sharply circumscribed and filled with clear, cloudy, or bloody fluid. The lesions, which are usually less than 0.5 cm in diameter, may occur singly or in... History ... Physical assessment ... Medical causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Skin Lesions and Rashes
(The Diagnostic Approach to Symptoms and Signs in Pediatrics)
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...This chapter focuses on many skin lesionsand rashes seen in pediatric practice. Note that some lesions andrashes fall into more than 1 category in the classification. Principal Causes of Skin Lesions and Rashes ... Clinical Features and Diagnosis ... Diagnostic Approach ... References ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pruritus
(Nursing: Interpreting Signs and Symptoms)
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... Commonly provoking scratching to gain relief, this unpleasant itching sensation affects the skin, certain mucous membranes, and the eyes. Most severe at night, pruritus may be exacerbated by increased skin... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Skin, scaly
(Nursing: Interpreting Signs and Symptoms)
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... Scaly skin results when cells of the uppermost skin layer (stratum corneum) desiccate and shed, causing excessive accumulation of loosely adherent flakes of normal or abnormal keratin. Normally, skin... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Butterfly rash
(Nursing: Interpreting Signs and Symptoms)
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... The presence of a butterfly rash is typically a sign of systemic lupus erythematosus (SLE), but it can also signal a dermatologic disorder. Typically, butterfly rash appears in a malar distribution... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Papular rash
(Nursing: Interpreting Signs and Symptoms)
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... A papular rash consists of small, raised, circumscribed—and perhaps discolored (red to purple)—lesions known as papules. It may erupt anywhere on the body in various... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Pustular rash
(Nursing: Interpreting Signs and Symptoms)
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... A pustular rash is made up of crops of pustules—a visible collection of pus within or beneath the epidermis, commonly in a hair follicle or sweat pore. These lesions vary greatly... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Vesicular rash
(Nursing: Interpreting Signs and Symptoms)
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... A vesicular rash is a scattered or linear distribution of sharply circumscribed, blister-like lesions, which are filled with clear, cloudy, or bloody fluid. The lesions are usually less than 0.5 cm in... History and physical examination ... Medical causes ... Nursing considerations ... Patient teaching ... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Urticaria [Hives]
(Nursing: Interpreting Signs and Symptoms)
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... Urticaria is a vascular skin reaction characterized by the eruption of transient pruritic wheals—smooth, slightly elevated patches with well-defined erythematous... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

PRURITUS
(Differential Diagnosis in Primary Care)
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... The differential diagnosis of pruritus is best developed by anatomy. Local conditions such as bites and parasitic infestations (e.g., scabies, hookworms, and... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

RASH, GENERAL
(Differential Diagnosis in Primary Care)
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... The best way to recall the causes of a general rash while still examining the patient is to think of the mnemonic DERMATITIS. D—Deficiency diseases... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

RASH, LOCAL
(Differential Diagnosis in Primary Care)
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... The differential diagnosis of a local rash is best approached with the mnemonic VINDICATE. V—Vascular lesions suggest livedo reticularis, acrocyanosis, gangrene of Raynaud syndrome,... Pictures ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)

Remember that common skin lesions may be passed from family member to family member
(Avoiding Common Pediatric Errors)
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... Author: Johann Peterson, MD What to Do - Gather Appropriate Data Tinea capitis is a fungal infection of the hair follicles of the scalp and is more common in prepubertal children than in adolescents or adults.... Suggested Readings ... READ MEDICAL BOOK EXCERPTS ONLINE » (free access, no registration)