Photosensitivity reactions: The Daily PANCE Blueprint

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Photosensitivity reactions: The Daily PANCE Blueprint

A 50-year-old female was started on antibiotics for an infection. She noticed that when she goes out in the sun, her skin gets extremely red and sunburned. Which antibiotic was she most likely prescribed?

A. Doxycycline
B. Azithromycin
C. Cephalexin
D. Amoxicillin
E. Ampicillin

Answer and topic summary

The answer is A. Doxycycline

A drug-induced phytotoxic reaction is essentially a photosensitive response to a drug metabolite. Causes include tetracyclines, thiazides, fluoroquinolones, retinoids, etc. Clinical features may include severe sunburns and rashes with vesicles. Treatment is sunscreen and discontinuing the drug (if possible).

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Smarty PANCE Content Blueprint Review:

Covered under ⇒ PANCE Blueprint Dermatology ⇒ Other Dermatological Disorders ⇒ Photosensitivity reactions

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