Pyrantel Pamoate

Brand: Pin-X / Pyrantel (IN-BD generic)

Antiparasitic Depolarizing neuromuscular blocker (Helminths)

Chemistry

Molecular Formula	C11H14N2S · C23H16O4
PubChem	CID: 5210 Open in PubChem

Structure

Half-life	5 hours
Clearance Route	hepatic
Active Metabolites	none
Notes	Poorly absorbed (<15%); most drug stays in gut. Use with caution in hepatic impairment.

Severity: Mild

Adverse Effects:
Nausea, abdominal cramps, diarrhea, dizziness, headache. Rare: elevated LFTs.

Contraindications:
Severe hepatic impairment

Precautions:
Avoid in pregnancy unless necessary; monitor LFTs if prolonged use; caution with piperazine (antagonistic).