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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

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 genital…

Therapeutic Strategies in Dermatology

Viral Exanthems: Initial Evaluation

…s, condyloma lata, and patchy alopecia accompany the cutaneous eruption in the second phase of syphilis. Other bacterial infections, in rare cases, may also cause a morbilliform eruption mimicking viral exanthem or drug eruption; Gr…

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

Drug Eruptions: Clinical Cases

…istory 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…

Therapeutic Strategies in Dermatology

Drug Eruptions: Initial Evaluation

…dverse reactions to medications are common, and cutaneous drug eruptions may occur in 3% of all hospitalized patients who are receiving medications. They can represent 1% of consultations in office-based dermatology practices. Drug eruptions may be d…

Therapeutic Strategies in Dermatology

Drug Eruptions: Therapy

…t. When to refer to a dermatologist If the diagnosis of drug eruption is not clear, or if the drug eruption is not resolving as expected. If patients require systemic corticosteroids for management of their drug reaction. Note that systemic steroid…

Therapeutic Strategies in Dermatology

Papular Urticaria: Key Points

Key Points Papular urticaria refers to a clinical presentation of hypersensitivity reactions to insect bites that results in a distinct cutaneous morphology and natural history. The classic morphology is a symmetric urticarial to papular or papulov…

Therapeutic Strategies in Dermatology

Hand Dermatitis: Key Points

Key Points Hand dermatitis may be difficult to treat due to the thickened skin surface of the hands and the frequent exposure of the hands to irritants and potentially exacerbating factors. Hand dermatitis can range from an acute, extremely pruriti…

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