🦠microbiology review

Pyrantel pamoate

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

Pyrantel pamoate is an antihelminthic medication used to treat parasitic worm infections in the gastrointestinal tract. It works by paralyzing the worms, which are then expelled from the body through the stool.

5 Must Know Facts For Your Next Test

  1. Pyrantel pamoate is commonly used to treat infections caused by pinworms, roundworms, and hookworms.
  2. The medication is taken orally and is available over-the-counter as well as by prescription.
  3. It paralyzes helminths by acting on their nervous system, preventing them from maintaining their position in the host’s intestines.
  4. Common side effects include nausea, vomiting, diarrhea, and abdominal cramps.
  5. Pyrantel pamoate does not kill adult worms but causes them to lose their grip on the intestinal wall so they can be expelled.
2,589 studying →