Levamisole

Uncommon card · No. 192483

Levamisole, sold under the brand name Ergamisol among others, is a medication used to treat parasitic worm infections, specifically ascariasis and hookworm infections. It is taken by mouth. Side effects may include abdominal pain, vomiting, headache, and dizziness. Use is not recommended during breastfeeding or the third trimester of pregnancy. Serious side effects may include an increased risk of infection. It belongs to the anthelmintic class of medications. Levamisole was invented in 1966 in Belgium by Janssen Pharmaceuticals. It is on the World Health Organization's List of Essential Medicines. Levamisole is also used as a dewormer for cattle. It is also often used as a cutting agent in illegal cocaine. In February 2026, the Pharmacovigilance Risk Assessment Committee of the European Medicines Agency recommended that medicines containing levamisole be withdrawn from the EU market. This follows an EU-wide review which concluded that the benefits of these medicines no longer outweigh...

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