A generic drug contains the same active ingredient as the brand-name original at the same strength and dosage form. Before approval, the FDA requires it to be bioequivalent — it must work the same way in the body.

Same active ingredient, strength, route, and intended use.
Inactive ingredients (fillers, dyes) may differ — relevant for allergies.
Generics are typically far cheaper once the brand's patent expires.
Appearance (shape, color) often differs and that is normal.

Frequently asked

Is there a generic for Ambien Cr?: Yes. There is 1 generic version of Ambien Cr (Zolpidem Tartrate) in our catalog, listed and rated below.
Are generic drugs as effective as the brand?: The FDA requires generics to be bioequivalent to the brand — same active ingredient, strength, dosage form, and route of administration — and to meet the same quality standards. Inactive ingredients can differ.
Why is the brand-name version usually more expensive?: The original manufacturer recovers research and marketing costs and holds a patent for a period. Once patents expire, multiple manufacturers can make the generic, and competition lowers the price.

Information is for general reference only and is not medical advice. Consult a licensed professional before switching between brand and generic.

Brand vs generic: what to know

Same active ingredient, strength, route, and intended use.

Inactive ingredients (fillers, dyes) may differ — relevant for allergies.

Generics are typically far cheaper once the brand's patent expires.

Appearance (shape, color) often differs and that is normal.

Frequently asked

Is there a generic for Ambien Cr?

Yes. There is 1 generic version of Ambien Cr (Zolpidem Tartrate) in our catalog, listed and rated below.

Are generic drugs as effective as the brand?

The FDA requires generics to be bioequivalent to the brand — same active ingredient, strength, dosage form, and route of administration — and to meet the same quality standards. Inactive ingredients can differ.

Why is the brand-name version usually more expensive?

The original manufacturer recovers research and marketing costs and holds a patent for a period. Once patents expire, multiple manufacturers can make the generic, and competition lowers the price.