Short answer:
Ivermectin for human use is produced by a handful of large pharma groups that specialize in generic drugs, and by a network of regional manufacturers around the world. The most widely recognized producers in the United States and many other markets are:
| Company | Brand name (if any) | Notes |
|---------|---------------------|-------|
| Viatris (formerly Mylan) | Stromect (generic) | Viatris is the original U.S. manufacturer of the generic ivermectin tablets that were the first to receive FDA approval in 1988. The brand name Stromect is still sold in the U.S. and in many other countries. |
| Cipla Ltd. | Ivermectin (generic) | Cipla supplies ivermectin to the U.S. via a partnership with Viatris and also markets it in India, Europe, and other regions. |
| Sun Pharmaceutical Industries | Ivermectin (generic) | One of the largest generic drugmakers in India, Sun produces ivermectin for export to the U.S., EU, and other markets. |
| Dr. Reddy’s Laboratories | Ivermectin (generic) | Dr. Reddy’s is a major Indian generics manufacturer that sells ivermectin in the U.S. and Europe. |
| Teva Pharmaceuticals | Ivermectin (generic) | Teva distributes the drug in Europe and some other markets. |
| Medi-Pharm (a subsidiary of the Swiss company Roche) | Ivermectin (generic) | Supplies the drug to several European countries. |
| Bayer AG | Ivermectin (generic) | Provides the drug under a licensing agreement with other generic producers in some markets. |
What you need to know
1. Regulatory approval – In the U.S., ivermectin is approved for treating onchocerciasis, strongyloidiasis, scabies, and head lice. The generic versions are FDA‑approved, and the brand “Stromect” was approved in 1988.
2. WHO Essential Medicines List – The World Health Organization lists ivermectin on its Model List of Essential Medicines, and many national formularies adopt the same suppliers.
3. Quality control – Because ivermectin is a prescription medication, the FDA and equivalent agencies in other countries strictly monitor its manufacturing. The manufacturers listed above are all licensed by the relevant authorities (FDA, EMA, etc.).
4. Where it’s sold – In the U.S. you’ll find it at pharmacies in tablet or oral suspension form. In Europe and many low‑ and middle‑income countries it’s available as a generic capsule or tablet, often supplied by the companies listed above.
5. Veterinary vs. human formulations – Some manufacturers also produce ivermectin for veterinary use. Human‑grade ivermectin is formulated to meet stricter purity and potency standards and is not interchangeable with veterinary products.
6. Supply chain transparency – If you’re ordering ivermectin from a pharmacy or a prescription service, ask for the manufacturer’s details or the drug’s lot number. This helps ensure you’re getting a legitimate product from a reputable source.
Bottom line
The primary human‑use ivermectin manufacturers are Viatris (Mylan) and a roster of global generics companies such as Cipla, Sun Pharma, Dr. Reddy’s, and Teva. They produce the drug under strict regulatory oversight, and their products are widely available in many countries. If you have a prescription, you can ask your pharmacist for the manufacturer’s name to confirm you’re receiving the correct formulation.