Fomepizole Side Effects
Commonly reported side effects of fomepizole include: headache and nausea. Other side effects include: dizziness. See below for a comprehensive list of adverse effects.
For the Consumer
Applies to fomepizole: parenteral injection concentrate for iv infusion
Side effects include:
For Healthcare Professionals
Applies to fomepizole: intravenous solution
The most common adverse events were headache, nausea, dizziness, increased drowsiness, and bad taste/metallic taste.[Ref]
Very common (10% or more): Headache (14%)
Common (1% to 10%): Dizziness, increased drowsiness, bad taste/metallic taste, lightheadedness, seizure, agitation, feeling drunk, vertigo, nystagmus, anxiety, "felt strange", decreased environmental awareness, abnormal smell, roar in ear[Ref]
Common (1% to 10%): Transient transaminitis[Ref]
Common (1% to 10%): Anuria[Ref]
Common (1% to 10%): Transient blurred vision[Ref]
Common (1% to 10%): Facial flush, rash[Ref]
Common (1% to 10%): Decreased appetite
1. "Product Information. Antizol (fomepizole)." Jazz Pharmaceuticals, Palo Alto, CA.
Some side effects of fomepizole may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
More about fomepizole
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- Drug class: antidotes
Other brands: Antizol
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