Data / Drug companies / Skin Test Antigen
Skin Test Antigen drugs: 3 drugs from 5 companies in the FDA NDC directory
Skin Test Antigen is an FDA established pharmacologic class. The FDA National Drug Code Directory lists 13 products in this class from 5 companies, covering 3 drugs by generic name. The main marketing category is unapproved homeopathic products, and the newest product started marketing on June 1, 2026.
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- 5Companies
- 13Products
- 3Drugs by generic name
Drugs in the Skin Test Antigen class
Ranked by number of companies that list the drug.
| Drug | Products here | Companies listing it |
|---|---|---|
| Tuberculin purified protein derivative | 11 | 3 |
| Coccidioides immitis spherule-derived skin test antigen | 1 | 1 |
| Tuberculinum | 1 | 1 |
Companies with the most products in this class
| Company | Products | Main dosage forms | Main marketing category | Newest product started |
|---|---|---|---|---|
| Boiron | 7 | pellet | Unapproved homeopathic products | March 3, 1983 |
| A-S Medication Solutions | 3 | injection, solution; injection | Biologics (BLA) | April 25, 2008 |
| Nielsen BioSciences, Inc. | 1 | injection, solution | Biologics (BLA) | July 29, 2011 |
| Sanofi Vaccines US Inc. | 1 | injection, solution | Biologics (BLA) | August 15, 1956 |
| Total Operations Management LLC DBA:Bestmade Natural Products Micro | 1 | globule | Unapproved homeopathic products | June 1, 2026 |
Dosage forms
| Dosage form | Products | Share |
|---|---|---|
| Pellet | 7 | 53.8% |
| Injection, solution | 4 | 30.8% |
| Globule | 1 | 7.7% |
| Injection | 1 | 7.7% |
Updated November 6, 2026. Read from US Food and Drug Administration, National Drug Code Directory (openFDA). CC0 1.0 public domain dedication (openFDA). Counts are products in the FDA National Drug Code Directory on November 6, 2026: 138,262 products in commercial distribution, meaning without a marketing end date in the past. A company is a labeler code; one company can hold several codes, and the directory carries no address. Inclusion in the directory is not FDA approval, and the marketing category says under which kind of application or rule a product is sold. This page uses openFDA data and is not endorsed or certified by FDA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.