Niclosamide

Brand: Niclocide / Niclosan

Antiparasitic Anthelmintic (tapeworm)

Chemistry

Molecular Formula	C13H8Cl2N2O4
PubChem	CID: 4477 Open in PubChem

Structure

Half-life	6 hours
Clearance Route	hepatic
Active Metabolites	No active metabolites
Notes	Minimal absorption; most action localized to intestinal lumen. Safe for single-day therapy.

Severity: Mild

Adverse Effects:
Nausea, vomiting, abdominal discomfort; rare pruritus

Contraindications:
None major (avoid in known hypersensitivity)

Precautions:
Use with caution in children <2 years; give laxative after dose in Taenia infections