Drug Reactions

Published on 05/03/2015 by admin

Filed under Dermatology

Last modified 05/03/2015

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17

Drug Reactions

The skin is one of the most common targets for adverse drug reactions.

Adverse cutaneous drug reactions (ACDR) affect 2–3% of all hospitalized patients.

Increased risk of ACDR in women (>men), the elderly, and immunocompromised hosts, including those with AIDS (CD4 < 200/mm3); in individual patients, the risk increases as the number of drugs taken increases.

Pathogenesis of ACDR not totally understood but can involve immunologic, nonimmunologic, and idiosyncratic mechanisms (Table 17.1).

Some of the most and least likely culprit drugs are listed in Table 17.2.

Most common types of ACDR: morbilliform > urticaria > vasculitis (Table 17.3).