Generic Iressa (Gefitinib) — Same Medicine, 89% Less
FDA-approved Gefitinib — the generic equivalent of Iressa. Used for EGFR-mutant non-small cell lung cancer (NSCLC). Same active ingredient, same efficacy, dramatically lower cost.
Reviewed by a licensed pharmacist.
Iressa vs Generic Gefitinib
| Iressa (Brand) | Generic (Gefitinib) | |
|---|---|---|
| Active Ingredient | Gefitinib | Gefitinib |
| Strength | 250mg tablets | 250mg tablets |
| Manufacturer | AstraZeneca | Natco / Cipla / Sun Pharma |
| Avg. Monthly Cost (USA) | ~$5,800 | ~$638 |
| FDA Therapeutic Equivalent | ✓ | ✓ |
Available Generic Gefitinib Products
Browse our selection of generic Gefitinib 250mg tablets. All products are from WHO-GMP certified manufacturers.
Is Generic Gefitinib Safe?
Generic Gefitinib is bioequivalent to Iressa. It contains the identical active ingredient at the same concentration, undergoes the same rigorous FDA/EMA testing, and works identically in the body. Generic approval requires proof of bioequivalence — meaning the medicine performs the same way as the brand.
All OnlineMeds generics are manufactured in WHO-GMP certified facilities in India, which supplies 40% of all generic medicines used in the US and approved by the FDA.
How to Order
- Add your medicine to cart
- Create your account at checkout
- Upload your prescription (required for this Rx medicine)
- Our pharmacist verifies your order within 24 hours
- Shipped discreetly in 7–14 business days
Learn more about our ordering process →
Frequently Asked Questions
Is generic Gefitinib as effective as Iressa?
Yes. Generic Gefitinib contains the identical active ingredient and concentration as Iressa. Bioequivalence testing proves both medicines work the same way in the body for EGFR-mutant lung cancer treatment.
Why is generic Gefitinib so much cheaper?
Generic manufacturers don’t bear the research and development costs of discovering the drug. Iressa’s development cost AstraZeneca over $1 billion. Generics skip this cost and pass savings to patients.
Is a prescription required for Gefitinib?
Yes. Gefitinib is a prescription-only medicine used for serious lung cancer treatment. A valid prescription from an oncologist or physician is required.
What is EGFR-mutant lung cancer?
EGFR (Epidermal Growth Factor Receptor) mutations are found in some lung cancers, particularly in non-smokers and women. Gefitinib (and similar EGFR inhibitors like Erlotinib and Osimertinib) specifically target these mutations. Your oncologist will have confirmed you have an EGFR mutation before prescribing this medicine.
Where is generic Gefitinib manufactured?
Our generic Gefitinib is manufactured by WHO-GMP certified facilities including Natco, Cipla, and Sun Pharma — all approved by the FDA and EMA.
How much can I save with generic Gefitinib?
Iressa typically costs $5,800 per month in the USA. Generic Gefitinib costs approximately $638 per month on OnlineMeds — a saving of 89%.
This content is for informational purposes only and does not constitute medical advice. Always use Gefitinib as prescribed by your oncologist or physician. OnlineMeds is not a substitute for professional medical consultation.