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 Theophylline In Dextrose 5% In Plastic Container?: Yes. There are 4 generic versions of Theophylline In Dextrose 5% In Plastic Container (Theophylline) 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 Theophylline In Dextrose 5% In Plastic Container?

Yes. There are 4 generic versions of Theophylline In Dextrose 5% In Plastic Container (Theophylline) 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.