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Generic Drug Finder

Search any medication to find FDA-approved generic alternatives. Generic drugs can save you 30–80% compared to brand-name versions — with the same active ingredients and therapeutic effect.

FDA Orange Book data
25,000+ drug products
Therapeutic equivalence ratings
Updated monthly
Try: Lipitor Metformin Omeprazole Humira Lisinopril Amoxicillin
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What is therapeutic equivalence? An "AB" rating means the FDA considers the generic therapeutically equivalent to the brand-name drug — same active ingredient, dosage form, strength, route, and bioequivalence. Your pharmacist can substitute an AB-rated generic automatically in most states.
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Search for a medication

Enter a brand name or generic drug name above to find FDA-approved alternatives and therapeutic equivalence ratings.

Understanding Therapeutic Equivalence Codes

AB
Therapeutically equivalent. Meets bioequivalence requirements. Can be substituted for the brand.
AA
No known bioequivalence issues. Products in conventional dosage forms not presenting bioequivalence problems.
AP
Therapeutically equivalent injectable aqueous solutions.
AT
Therapeutically equivalent topical products.
BC
Not therapeutically equivalent — extended-release dosage forms with documented bioequivalence problems.
BN
Not therapeutically equivalent — nebulizer drug products that haven't demonstrated bioequivalence.