FDA pharmacologic class
Rifamycin Antimycobacterial
2 medicines are in FDA's class of rifamycin antimycobacterials: rifabutin and rifapentine (Priftin); 1 combination product also contains one. 2 of the 3 are listed from generic labelers (FDA NDC Directory, October 8, 2026). The lowest pharmacy cost is priftin 150 mg tablet at $4.83 per tablet (NADAC).
Which medicines are rifamycin antimycobacterial?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Rifabutin | none listed | 4 labelers | $8.14 per capsule 150 mg capsule | No | No current entry | 0 |
| Rifapentine | Priftin | 1 labeler | $4.83 per tablet 150 mg tablet | No | Resolved | 0 |
| Amoxicillin and omeprazole and rifabutin | Talicia | none listed | $4.88 per capsule 10-250-12.5 mg capsule | No | No current entry | 0 |
Source: FDA Established Pharmacologic Class (NDC Directory, openFDA); CMS NADAC of October 7, 2026; FDA shortages and recalls (FDA files October 8, 2026)
What do pharmacies pay?
Each medicine's most widely listed form, per unit, in the NADAC survey: what pharmacies paid, not what a patient pays; strengths differ, so compare like with like.
Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price