Niclosamide Oral: Dosing and Precautions
Niclosamide guidance for taeniasis including beef, pork, dwarf, and fish tapeworm infections.
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Source reviewed
source date listed on the source page
Guide category
Oral drugs
Safety boundary
Educational medicine information, not personal medical advice.
Kenza Health Hub presents this medicine page as structured health education. Check dose, route, interactions, pregnancy or breast-feeding considerations, and local protocol with a qualified clinician or pharmacist. Read our medical editorial policy.
Therapeutic action
Anthelminthic (taenicide).
Indications
Taeniasis: beef tapeworm, pork tapeworm, dwarf tapeworm, and fish tapeworm.
Forms and strengths
- 500 mg chewable tablet.
Dose and duration
T. saginata, T. solium and D. latum
- Child under 2 years: 500 mg single dose.
- Child from 2 to 6 years: 1 g single dose.
- Child over 6 years and adult: 2 g single dose.
H. nana
- Child under 2 years: 500 mg on D1, then 250 mg once daily for 6 days.
- Child from 2 to 6 years: 1 g on D1, then 500 mg once daily for 6 days.
- Child over 6 years and adult: 2 g on D1, then 1 g once daily for 6 days.
Contra-indications, adverse effects, precautions
- May cause gastrointestinal disturbances.
- Pregnancy: no contra-indication.
- Breast-feeding: no contra-indication.
- Chew or crush the tablets before swallowing with water.
- If vomiting occurs, the single dose may be divided into 2 doses taken one hour apart.
- Niclosamide is not active against the larval form of T. solium (cysticercosis).
Source
MSF Essential drugs practical guidelines (January 2026)
This page combines source-derived medicine reference sections with Kenza editorial context, while leaving out the Storage and Remarks sections from the source batch.
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