A member asked:

What causes photosensitivity rash?

A doctor has provided 1 answer

Many causes: Causes for photosensitivity) can be classified into 1) those caused by the presence of an underlying skin condition (eg., lupus); 2) chemicals/drugs topical or ingested which are photosensitizers (eg., tetracyclines, dyes); 3) genetic diseases (eg., xeroderma pigmentosa); 4) metabolic disorders (porphyrias) and 5) idiopathic (unknown).

Answered 6/17/2015

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Does zyprexa (olanzapine) cause any photosensitivity?

3 doctors weighed in across 2 answers