Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Niclosamide is an antiparasitic drug primarily used to treat tapeworm infections in the gastrointestinal tract. It works by inhibiting the parasite's ability to generate energy, leading to its death.
5 Must Know Facts For Your Next Test
Niclosamide is effective against adult tapeworms but not their larvae.
It is administered orally and poorly absorbed from the gastrointestinal tract, which helps it target intestinal parasites directly.
Common side effects of niclosamide include nausea, vomiting, and abdominal discomfort.
Niclosamide disrupts the oxidative phosphorylation pathway in tapeworms, impairing their ATP production.
The drug has been studied for potential use against other parasitic infections and even some viruses.
Review Questions
Related terms
Anthelmintics: Drugs that expel or destroy parasitic worms.