Levamisole, marketed under the trade name Ergamisol, is a medication used to treat parasitic worm infections.[1] It has also been studied as a method to stimulate the immune system as part of the treatment of cancer.[2] Levamisole remains in veterinary use as a dewormer for livestock.

Starting at
| (S)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole |
| Trade names | Ergamisol |
| AHFS/Drugs.com | Micromedex Detailed Consumer Information |
| MedlinePlus | a697011 |
| Legal status | withdrawn |
| Routes of administration | By mouth |
| Metabolism | Liver |
|---|---|
| Biological half-life | 3-4 hours |
| Excretion | 70% kidney |
| CAS Number | 14769-73-4 |
| ATC code | P02CE01 QP52AE01 |
| PubChem | CID: 26879 |
| IUPHAR/BPS | 7210 |
| DrugBank | DB00848 |
| ChemSpider | 25037 |
| UNII | 2880D3468G |
| KEGG | D08114 |
| ChEBI | CHEBI:6432 |
| ChEMBL | CHEMBL1454 |