FDA pharmacologic class
Aminosalicylate
4 medicines are in FDA's class of aminosalicylates: mesalamine (Pentasa), sulfasalazine (Azulfidine), balsalazide and olsalazine (Dipentum). 3 of the 4 are listed from generic labelers (FDA NDC Directory, October 8, 2026). The lowest pharmacy cost is sulfasalazine 500 mg tablet at $0.199 per tablet (NADAC).
Which medicines are aminosalicylate?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Mesalamine | Pentasa, Canasa, Rowasa | 34 labelers | $0.781 per tablet 1.2 g tablet | No | A presentation being discontinued | 6 |
| Sulfasalazine | Azulfidine | 5 labelers | $0.199 per tablet 500 mg tablet | No | No current entry | 0 |
| Balsalazide | none listed | 9 labelers | $0.344 per capsule 750 mg capsule | No | No current entry | 0 |
| Olsalazine | Dipentum | none listed | $15.70 per capsule 250 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