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Generic quetiapine manufacturers?

See the DrugPatentWatch profile for quetiapine

Generic Quetiapine (Quetiapine Fumarate) – Major Manufacturers

Quetiapine is an atypical antipsychotic used for schizophrenia, bipolar disorder, and as adjunctive therapy in major depressive disorder. Once the original brand (Seroquel®) lost patent protection, a number of generic manufacturers began producing the drug. Below is a snapshot of the most widely recognized producers worldwide (as of 2024).

Region Manufacturer (Generic Brand) Typical Dosage Forms Notes
United States Viatris (formerly Mylan) – Qapin, Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets One of the largest U.S. generics, FDA‑approved since 2012.
Teva Pharmaceuticals – Quetiapine, Quetafarma 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Long‑standing generic, multiple lot approvals.
Sandoz (Novartis) – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Global brand, known for consistent quality.
Sun Pharma – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Widely distributed in the U.S. through wholesale channels.
Cipla – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Popular in the U.S. and emerging markets.
Hospira (Abbott) – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Sold through specialty pharmacy networks.
Indivior – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Focused on mental‑health formulations.
Canada Teva Canada – Quetiapine Same as U.S. FDA‑approved equivalents, Canadian‑specific lot numbers.
Glenmark Pharmaceuticals – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Canadian‑registered generic.
United Kingdom Sandoz – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Approved by the MHRA, common NHS brand.
Cipla (UK) – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Available through NHS and private prescribers.
India Sun Pharma – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Strong domestic presence; also exported to the U.S.
Cipla – Quetiapine Same dose range Known for high volume production.
Bharat Pharm – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets One of India’s largest generic producers.
Glenmark – Quetiapine Same dose range Domestic and international markets.
Mylan (now Viatris) – Quetiapine Same dose range Operates a large manufacturing hub in India.
Australia Sandoz – Quetiapine 25 mg, 50 mg, 100 mg, 200 mg, 300 mg tablets Approved by TGA, common in Australian pharmacies.
Teva Australia – Quetiapine Same dose range Widely used in both public and private sectors.
Global (Other Countries) Hetero Drugs, Dr. Reddy’s, GSK (Generics), Amneal, Daiichi Sankyo (Sandoz), Bayer (Generics) 25 mg–300 mg tablets Many of these companies manufacture quetiapine for export to various markets worldwide.

How to Choose the Right Generic

  1. Dosage & Strength – Make sure the tablet strength matches your prescribed dose. Most generics offer the same 25 mg, 50 mg, 100 mg, 200 mg, and 300 mg options.
  2. Manufacturer Reputation – Look for manufacturers that are FDA‑approved (U.S.) or have MHRA/TGA approvals (U.K./Australia) and are listed on the WHO Model List of Essential Medicines.
  3. Batch Consistency – Verify that the pharmacy uses the same lot number and that the pharmacy’s dispensing records indicate the specific manufacturer if you have a preference.
  4. Cost & Insurance Coverage – Generic manufacturers often compete on price. Check your insurance formulary or pharmacy discount program for the lowest cost.
  5. Quality Assurance – Reputable manufacturers adhere to Good Manufacturing Practices (GMP) and undergo regular inspections by regulatory agencies (FDA, EMA, TGA, etc.).

Quick FAQ

Question Short Answer
Is all generic quetiapine the same? Yes—generic quetiapine contains the same active ingredient (quetiapine fumarate) at identical dosage strengths, though inactive excipients may differ slightly.
Can I switch between manufacturers? Generally, yes. If you experience any changes in efficacy or side‑effects, notify your prescriber.
Are there differences in side‑effect profiles? No clinically significant differences. Any variations are due to individual sensitivity, not the manufacturer.
How to check the manufacturer on my prescription? The prescription label typically lists the manufacturer’s name or brand; otherwise, ask your pharmacist.

Bottom Line

Generic quetiapine is widely available from several established manufacturers across the globe—most notably Viatris (Mylan), Teva, Sandoz, Sun Pharma, Cipla, and Glenmark. All these companies meet stringent regulatory standards, ensuring the medication’s safety, efficacy, and quality. If you’re looking for a specific brand or have concerns about a particular manufacturer, let me know, and I can dive deeper into that company’s production details or help you compare cost and availability in your region.



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