Mebendazole

Generic Details

Generic Name

Mebendazole

Other Names

  • Vermox
  • Emverm
  • Telmin

Drug Class

  • Anthelmintic

Chemical Formula

C16H13N3O3

Molecular Weight

295.29 g/mol

Mechanism of Action

  • Inhibits microtubule synthesis in parasitic worms, leading to immobilization and death of the worm

Indications

  • Treatment of various parasitic worm infections, including pinworm, roundworm, whipworm, and hookworm infections

Common Dosage Forms

  • Tablets
  • Chewable tablets
  • Oral suspension

Typical Dosage

  • 100 mg tablets; 1-2 tablets as a single dose for most infections,

Pediatric Dosage

  • Dosing based on weight; typically 100 mg as a single dose for children

Geriatric Dosage

  • Similar to adult dosing; adjustments may be needed based on renal function

Side Effects

  • Nausea
  • Vomiting
  • Abdominal pain
  • Diarrhea
  • Dizziness

Contraindications

  • Hypersensitivity to mebendazole
  • Pregnancy (especially first trimester)

Pregnancy Category

  • C - Risk cannot be ruled out

Lactation Safety

  • Limited data, consult healthcare provider

Drug Interactions

  • Cimetidine (may increase mebendazole levels)

Overdose Symptoms

  • Severe abdominal pain
  • Convulsions
  • Hypoglycemia

Antidote for Overdose

  • Symptomatic and supportive treatment; no specific antidote

Storage Conditions

  • Store at room temperature away from moisture and heat

Pharmacokinetics

  • Absorption: Well absorbed from the gastrointestinal tract
  • Distribution: Widely distributed in the body, including the liver
  • Metabolism: Extensively metabolized in the liver
  • Excretion: Excreted in the urine and feces

Precautions

  • Monitor liver function tests during prolonged therapy

Warnings

  • Risk of liver toxicity with high doses or prolonged use
  • Not recommended for pregnant women