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A Clinical Atlas of 101 Common Skin Diseases

Drug Eruptions

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An inflammatory process that results from the effects of a drug administered systemically, e.g., by ingestion, inhalation, injection, or application rectally, and manifested usually by lesions distributed widely and symmetrically.

A Clinical Atlas of 101 Common Skin Diseases

Fixed Drug Eruption

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Circular orange-red-blue macule(s) or patch(es) that often becomes a papule(s) or plaque(s) and vesiculates, healing with hyperpigmentation, and that occurs repeatedly at the very same cutaneous and/or mucous membrane site(s), especially the genitalia, perioral region, and hands, in response to systemic administration of a particular drug or chemical, chief among them barbiturates and sulfonamides.

A Clinical Atlas of 101 Common Skin Diseases

Polymorphous Light Eruption

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An inflammatory process that appears on skin exposed to sunlight, especially the face, neck, sternal region, arms, and dorsa of hands, and consists mostly of edematous papules that may become confluent to form plaques, and at times, papulovesicles.

A Clinical Atlas of 101 Common Skin Diseases

Polymorphous Light Eruption

An inflammatory process that appears on skin exposed to sunlight, especially the face, neck, sternal region, arms, and dorsa of hands, and consists mostly of edematous papules that may become confluent to form plaques, and at times, papulovesicles….

A Clinical Atlas of 101 Common Skin Diseases

Fixed Drug Eruption

…mical, chief among them barbiturates and sulfonamides. It is the only type of drug eruption that can be diagnosed with surety histopathologically, the findings in it being entirely specific, unlike the situation in drug eruptions of all other kinds….

Therapeutic Strategies in Dermatology

Photosensitivity Dermatoses: Overview

Photosensitive drug eruptions, polymorphous light eruption, chronic actinic dermatitis (CAD -includes the conditions previously called photosensitive eczema, actinic reticuloid and persistent light reaction). Photosensitivity dermatoses are caused e…

Therapeutic Strategies in Dermatology

Viral Exanthems: Initial Evaluation

…viral exanthem often present with a non-specific morbilliform eruption. In some cases, the skin disease as part of a constellation of other symptoms may indicate a specific viral etiology. Measles German measles Parvovirus B19, a.k.a. ery…

Therapeutic Strategies in Dermatology

Drug Eruptions: Clinical Cases

…story of cutaneous wound infection Presents with morbilliform eruption 6 days after starting cephalosporin antibiotic No systemic symptoms Reports pruritus Initial evaluation Patient is well-appearing Afebrile Morbilliform eruption without facial e…

Therapeutic Strategies in Dermatology

Drug Eruptions: Therapy

…-5 days. Patients who experience a simple, morbilliform drug eruption should avoid repeated exposure to the same drug or drug class, in the future; however, in cases where this cannot be avoided, it is reasonable to attempt a re-challenge of the med…

Therapeutic Strategies in Dermatology

Papular Urticaria: Key Points

…ology is a symmetric urticarial to papular or papulovesicular eruption, each lesion usually 0.3-1 cm in diameter, which is intensely pruritic, occurs in crops, and lasts a few days to a week. Fleas, bedbugs, mosquitos, and mites are the most common c…

Therapeutic Strategies in Dermatology

Hand Dermatitis: Key Points

…atitis can range from an acute, extremely pruritic or painful eruption, characterized by deep-seated vesicles (dyshidrotic eczema, pompholyx), to the chronic hand dermatitis commonly seen in those in at-risk occupations. The therapeutic strategy is t…

Therapeutic Strategies in Dermatology

Herpes Zoster & Varicella: Treatment

…therapy for herpes zoster includes the treatment of the acute eruption and therapy for herpetic neuralgia and post-herpetic neuralgia. Confirmation of herpes zoster by viral direct fluorescence assay (DFA) is recommended in most cases, especially in…

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