Finished product reference
Pyrvinium
Suspension · Oral · 50 mg/5mL · 25 mL
- List code
- 52907
- Pharmacologic class
- Anthelmintic (cyanine dye)
What it is and how it works
Pyrvinium is a poorly absorbed cyanine dye that inhibits oxygen uptake and energy metabolism in intestinal nematodes, acting locally in the gut lumen.
Indications
Enterobiasis (threadworm/pinworm infection).
Dosage and administration (summary)
Taken orally as a single dose of 5 mg/kg (as base), usually repeated after 2–3 weeks; all household members should be treated at the same time together with hygiene measures.
Contraindications
Hypersensitivity to pyrvinium; inflammatory bowel disease or conditions that may increase intestinal absorption.
Warnings and precautions
It colours stools bright red and may stain clothing, and vomit may be red; nausea, vomiting and abdominal cramps may occur. Hygiene measures are essential to prevent reinfection.
Storage and supply
Store below 25 °C, protected from light.
Source: reference summary prepared from the EU SmPC/EPAR, BNF and WHO Model Formulary. The approved product information in Iran governs.
Other presentations of the same active ingredient
Reference information for professional sourcing and registration enquiries, not medical advice or a promotion. Drug information is condensed from US FDA prescribing information (public domain, via openFDA and DailyMed) and does not replace the product’s approved labelling in Iran. Availability, origin and documentation are confirmed per enquiry.
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