FDA pharmacologic class
Bile Acid
3 medicines are in FDA's class of bile acids: ursodiol (Urso), chenodiol (Ctexli) and cholic acid (Cholbam). 2 of the 3 are listed from generic labelers (FDA NDC Directory, October 8, 2026). The lowest pharmacy cost is ursodiol 300 mg capsule at $0.429 per capsule (NADAC).
Which medicines are bile acid?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Ursodiol | Urso, Reltone, Ursolign | 28 labelers | $0.429 per capsule 300 mg capsule | No | A presentation being discontinued | 0 |
| Chenodiol | Ctexli | 1 labeler | n/a | No | No current entry | 0 |
| Cholic acid | Cholbam | none listed | n/a | 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