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Index/Topics/Stevens-Johnson syndrome

Stevens-Johnson syndrome

A rare but serious skin condition that has been reported as an adverse effect of ivermectin.

Fact-Checks

2 results
Jan 20, 2026

What are the documented drug interactions and serious adverse effects associated with ivermectin?

Ivermectin’s documented serious adverse effects center on rare but potentially severe neurotoxicity, hepatotoxicity and dermatologic reactions, and clinically meaningful drug–drug interactions driven ...

Jan 18, 2026

Are there patient risk factors that make ivermectin toxicity more likely than a typical allergic response?

Yes—there are identifiable patient and situational risk factors that raise the likelihood of ivermectin toxicity (pharmacologic overdose or CNS/organ toxicity) beyond an immediate allergic reaction; p...