Drug

Who makes theophylline anhydrous?

3 companies list theophylline anhydrous as a human prescription drug, including under the names Theo-24. Forms: capsule, extended release; tablet, extended release. Routes: oral.

Labellers from the openFDA NDC Directory. A labeller is the firm named on the label, not necessarily the site that made the product, and a listing is not an FDA approval. Data as of 24 Sept 2026. Methodology

Companies listing theophylline anhydrous

CompanyFormsApplicationNDCsRegistered sites
Endo USA, Inc.United Statescapsule, extended releaseANDAANDA081034, ANDA087942, ANDA08794343
Proficient Rx LPUnited Statestablet, extended releaseANDAANDA04056021
Westminster Pharmaceuticals, LLCtablet, extended releaseANDAANDA04056020

Bulk ingredient listings

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Common questions

Who makes theophylline anhydrous?
3 companies list theophylline anhydrous as a human prescription drug in the openFDA NDC Directory, led by Endo USA, Inc., Proficient Rx LP, Westminster Pharmaceuticals, LLC. Each is the labeller, the firm named on the label; the product may be made at a site registered to another company.
Is there a generic theophylline anhydrous?
3 companies list theophylline anhydrous under an abbreviated new drug application (ANDA), the application type used for generics. Listing status is from the NDC Directory; it is not a statement of availability.
Who supplies theophylline anhydrous active ingredient?
2 companies list theophylline anhydrous as a bulk ingredient, including LETCO MEDICAL, LLC, Shandong Xinhua Pharmaceutical Company Limited.