

Pyrantel - antihelminthic.
Blocks neuromuscular transmission in sensitive worms.
Pharmacodynamics
It acts on helminths in the early phase of development and on mature forms, does not affect the larvae in the migration stage. Active against Enterobius vermicularis, Ascaris lumbricoides, Ancylostoma duodenale, Necator americanus, Trichostrongylus orientalis, Trichostrongylus colubriformis.
Pharmacokinetics
Practically not absorbed in the digestive tract. After ingestion in a single dose of 10 mg / kg body weight Cmaxis 0.005–0.13 mcg / ml and is achieved within 1–3 hours. Partially metabolized in the liver to N-methyl-1,3-propanediamine. It is excreted in feces (50% of the dose taken - unchanged) and with urine (about 7% - unchanged and as a metabolite).
Enterobiasis, ascariasis, hookworm, necatoriasis.
1 tablet contains:
Active ingredient: Pyrantel 250 mg;
Excipients: starch, gelatin, acacia gum, methyl parahydroxybenzoate, propyl parahydroxybenzoate, sodium carboxymethyl starch, talc, magnesium stearate, colloidal silicon dioxide (aerosil).
Pyrantel is marketed under different brands and generic names, and comes in different dosage forms:
Brand name | Manufacturer | Country | Dosage form |
---|---|---|---|
Pyrantel | Polpharma | Poland | pills |
Pyrantel | Oxford Laboratories Pvt. Ltd | India | suspension |
Pyrantel | Medana Pharma | Poland | suspension |
Helmintox | Innotech International | France | Gel |
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Inside Dose and frequency of administration set individually, depending on the evidence, age and body weight of the patient.
In case of ascariasis and enterobiasis, a single dose of 10 mg / kg is prescribed: for adults and children over 12 years old - 750 mg (for body mass more than 75 kg - 1 g); children from 6 months to 2 years old - 125 mg, 2-6 years old - 250 mg, 6-12 years old - 500 mg. To avoid self-invasion, it was recommended to repeat the course 3 weeks after the first dose.
With hookworm - 10 mg / kg in 1 reception for 3 days.
For necatoriasis (severe forms) - 20 mg / kg / day for 2 days.
With isolated ascariasis - 5 mg / kg once.
Chewable pills before swallowing.
From the nervous system and sensory organs: rarely - headache, dizziness, drowsiness, insomnia, weakness; in some cases - hearing loss, hallucinations, confusion, paresthesia.
On the part of the digestive tract: nausea, vomiting, diarrhea, stomach pain; rarely - increased activity of hepatic transaminases.
Other: skin rash, fever.
Hypersensitivity.
Pyrantel is contraindicated for use in pregnancy.
If necessary, use during lactation should decide on the termination of breastfeeding.
When enterobiasis should be the simultaneous treatment of co-residents. After completion of treatment it is necessary to conduct a control study of feces on the eggs of the worm.