Ivermectin source?

Ivermectin – where it comes from

| What it is | How it’s made | Who produces it |
|------------|--------------|-----------------|
| Ivermectin is a macrocyclic lactone drug used mainly as an antiparasitic agent. | 1. Natural origin – The original compound, avermectin B1, is produced by the soil‑dwelling bacterium Streptomyces avermitilis.
2. Semi‑synthetic refinement – In the pharmaceutical industry, the raw avermectin is chemically modified (e.g., methylation, acylation) to produce the final ivermectin formulation. | Major manufacturers (as of 2024) include:
• Boehringer Ingelheim (Avian Ivermectin, veterinary formulations)
• Mylan/Viatris (human ivermectin tablets)
• GlaxoSmithKline (some veterinary products)
• Other regional producers for veterinary use in agriculture and livestock. |

Key points

1. Source – The base compound is a natural product isolated from S. avermitilis cultured in fermentation vats.
2. Manufacturing – After fermentation, the crude avermectin is purified, then chemically converted to the final ivermectin drug, which is formulated as tablets, oral solutions, or injectable solutions depending on the indication.
3. Regulation – Human‑grade ivermectin is regulated by agencies such as the FDA (US) and EMA (EU). Veterinary products are regulated separately by the relevant animal‑health authorities.
4. Use – Approved uses include treatment of onchocerciasis (river blindness), strongyloidiasis, head lice, scabies, and various animal parasitic infections. Off‑label use for COVID‑19 or other conditions is not supported by regulatory approvals and carries health risks.

Where you can find it

- Human medicine: Prescription tablets (often 200 µg/kg once daily for 1–2 days) are dispensed by pharmacies.
- Veterinary: Oral or injectable formulations are sold to veterinary clinics, farms, and aquaculture operations.
- Retail: Over‑the‑counter availability is extremely limited and usually only for veterinary purposes.

Safety reminder
Always obtain ivermectin through a licensed healthcare provider. Self‑prescribing or buying from unverified sources (especially online) can expose you to counterfeit, contaminated, or incorrect‑dose products that may be harmful.