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Cutaneous targets in drug-induced reactions
1Unit of Dermatology "A. Perrino" Hospital , Brindisi, Italy.
Summary
Adverse drug reactions (ADRs) frequently affect the skin, but diagnosis is challenging. This review categorizes drug-induced skin reactions by lesion location to aid in identifying specific drug culprits.
Area of Science:
- Dermatology
- Pharmacology
- Pathology
Background:
- Skin is significantly affected by adverse drug reactions (ADRs), accounting for 30% of all cases.
- Diagnosing ADRs is difficult due to challenges in correlating reactions to specific drugs and distinguishing histological findings from other skin diseases.
Purpose of the Study:
- To review common histological patterns of drug-induced skin reactions.
- To categorize these reactions based on the location of skin damage (epidermis, dermal-epidermal junction, dermis, subcutaneous fat, adnexal structures).
Main Methods:
- Literature review of frequently reported histological pictures associated with drug-induced ADRs.
- Classification of ADRs based on the anatomical site of skin involvement.
Main Results:
- ADRs affecting the skin present diverse clinical and histological features.
- Categorization by lesion location aids in understanding and diagnosing drug-induced skin damage.
Conclusions:
- Histological examination, when interpreted within the context of clinical history and lesion localization, is crucial for diagnosing drug-induced skin reactions.
- A systematic approach to classifying ADRs by skin layer aids in differential diagnosis.
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