Thiabendazole
Thiabendazole is a broad spectrum anthelmintic agent. Thiabendazole is a benzimidazole compound. It has vermicidal activity against roundworm, whipworm and hookworm. It also has anti-infalmmatory properties, antipyretic, mild antifungal and scabicidal actions.
Primary Characteristics
It belongs to Imidazole.
It belongs to Fumarate reductase inhibitor pharmacological group on the basis of mechanism of action and also classified in Anthelmintics pharmacological group.
Molecular Weight: 201.3 · pKa: 4.7 · Solubility in Water: < 1 in 10000 · Solubility in Alcohol: 1 in 50 · Non-proprietary name: Thiabendazole.

Pharmacokinetics
Absorption: Thiabendazole has an oral bioavailability is 94% (±4%).
Distribution: Thiabendazole has a volume of distribution is 2.76 l/kg.
Elimination: it is metabolised via Hepatic, plasma half-life is 1.17 hr.
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Indications
Thiabendazole is primarily indicated in conditions like Helminth infection.
Contraindications
Thiabendazole is contraindicated in conditions like Hypersensitivity to any component of product.
Dosage
Thiabendazole's dosage details are as follows:
| Dose | Single Dose | Frequency | Route | Instructions |
|---|---|---|---|---|
| Adult Dosage | ||||
| 25 mg/kg | 25 mg/kg | Every 12h | PO | - |
| Paediatric Dosage (20kg) | ||||
| 25 mg/kg | 25 mg/kg | Every 12h | Oral | - |
| Neonatal Dosage (3kg) | ||||
| 25 mg/kg | 25 mg/kg | Every 12h | Oral | - |
Drug Interactions
Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.
Side Effects
Thiabendazole produces potentially life-threatening effects which include Stevens Johnson syndrome, Jaundice . Careful monitoring is needed with proper medical management.
Thiabendazole is known to cause more or less tolerable side effects which are usually transient. These include Anorexia , Blurred vision, Dizziness, Drowsiness, Elevated hepatic transaminases, GI irritation, Leukopenia, Nausea, Paresthesias, Pruritus , Tinnitus, Vomiting .
Warnings / Precautions
Interference in Pathology
Thiabendazole may interfere in the diagnosis of Abnormal LFTs .
Available Brands
None recorded.
Storage Conditions
Drug Classification
- 1.6.1.1 — Intestinal anthelmintics