Which of the following is NOT a common offending agent for fixed drug eruption?

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Multiple Choice

Which of the following is NOT a common offending agent for fixed drug eruption?

Explanation:
Fixed drug eruption is driven by localized, drug-specific CD8+ T cells in the skin that react again at the same site when the drug is taken. Certain drugs are classic triggers because of their sensitizing potential and frequent exposure. Tetracyclines, sulfonamides, and barbiturates are well-known offenders and are commonly associated with FDE. Penicillin, while it can cause many drug reactions, is not among the most typical triggers for fixed drug eruption, making it the least likely choice among the options.

Fixed drug eruption is driven by localized, drug-specific CD8+ T cells in the skin that react again at the same site when the drug is taken. Certain drugs are classic triggers because of their sensitizing potential and frequent exposure. Tetracyclines, sulfonamides, and barbiturates are well-known offenders and are commonly associated with FDE. Penicillin, while it can cause many drug reactions, is not among the most typical triggers for fixed drug eruption, making it the least likely choice among the options.

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