Antizol Side Effects

Generic Name: fomepizole

Note: This page contains information about the side effects of fomepizole. Some of the dosage forms included on this document may not apply to the brand name Antizol.

In Summary

Common side effects of Antizol 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:

Headache, nausea, dizziness, increased drowsiness, bad/metallic taste.

For Healthcare Professionals

Applies to fomepizole: intravenous solution

General

The most common adverse events were headache, nausea, dizziness, increased drowsiness, and bad taste/metallic taste.^[Ref]

Gastrointestinal

Very common (10% or more): Nausea (11%)
Common (1% to 10%): Abdominal pain, vomiting, diarrhea, dyspepsia, heartburn^[Ref]

Nervous system

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]

Other

Common (1% to 10%): Fever, multiorgan system failure, hangover, speech/visual disturbances^[Ref]

Cardiovascular

Common (1% to 10%): Sinus bradycardia/bradycardia, phlebosclerosis, tachycardia, phlebitis, shock, hypotension^[Ref]

Hematologic

Common (1% to 10%): Eosinophilia/hypereosinophilia, lymphangitis, disseminated intravascular coagulation, anemia^[Ref]

Hepatic

Common (1% to 10%): Transient transaminitis^[Ref]

Local

Common (1% to 10%): Pain during injection, inflammation at injection site, application site reaction^[Ref]

Genitourinary

Common (1% to 10%): Anuria^[Ref]

Respiratory

Common (1% to 10%): Hiccups, pharyngitis^[Ref]

Ocular

Common (1% to 10%): Transient blurred vision^[Ref]

Dermatologic

Common (1% to 10%): Facial flush, rash^[Ref]

Musculoskeletal

Common (1% to 10%): Lumbalgia/backache^[Ref]

Metabolic

Common (1% to 10%): Decreased appetite

Not all side effects for Antizol may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

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