Note: This document contains side effect information about mebendazole. Some dosage forms listed on this page may not apply to the brand name Vermox.

Applies to mebendazole: oral chewable tablets.

Side effects include:

Nausea, vomiting, abdominal pain, anorexia, diarrhea, flatulence, headache, rash, tinnitus, numbness, dizziness, fever, abnormal liver function tests.

For Healthcare Professionals

Applies to mebendazole: compounding powder, oral tablet chewable.

General

At the recommended dose, this drug was generally well tolerated; however, patients with high parasitic burdens reported diarrhea and abdominal pain.^[Ref]

Gastrointestinal

Common (1% to 10%): Abdominal pain

Uncommon (0.1% to 1%): Abdominal discomfort, diarrhea, flatulence

Frequency not reported: Nausea, vomiting^[Ref]

Dermatologic

Rare (0.01% to 0.1%): Rash

Frequency not reported: Pruritus

Postmarketing reports: Toxic epidermal necrolysis, Stevens-Johnson syndrome, exanthema, alopecia, angioedema, urticaria^[Ref]

Metabolic

Frequency not reported: Anorexia^[Ref]

Hepatic

Frequency not reported: Transient changes in liver function tests, granulomatous hepatitis

Postmarketing reports: Hepatitis, abnormal liver function tests^[Ref]

Hematologic

Frequency not reported: Profound leukopenia, anemia, thrombocytopenia, pancytopenia

Postmarketing reports: Agranulocytosis, neutropenia^[Ref]

Nervous system

Frequency not reported: Weakness, drowsiness

Postmarketing reports: Convulsions/seizures, dizziness^[Ref]

Renal

Postmarketing reports: Glomerulonephritis^[Ref]

Other

Frequency not reported: Chills, drug fever, flushing^[Ref]

Hypersensitivity

Postmarketing reports: Hypersensitivity (including anaphylactic reaction, anaphylactoid reaction)^[Ref]