FDA pharmacologic class
Antiprotozoal
6 medicines are in FDA's class of antiprotozoals: atovaquone (Mepron), pentamidine isethionate (Pentam), nitazoxanide, pentamidine diisethionate, eflornithine (Iwilfin) and paromomycin (Humatin); 1 combination product also contains one. 6 of the 7 are listed from generic labelers (FDA NDC Directory, October 8, 2026). The lowest pharmacy cost is atovaquone 750 mg/5 ml suspension at $0.767 per mL (NADAC).
Which medicines are antiprotozoal?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Atovaquone | Mepron | 20 labelers | $0.767 per mL 750 mg/5 mL suspension | No | No current entry | 4 |
| Atovaquone and proguanil | Malarone | 6 labelers | $1.49 per tablet 250-100 mg tablet | No | No current entry | 0 |
| Pentamidine isethionate | Nebupent, Pentam | 3 labelers | n/a | No | A presentation being discontinued | 0 |
| Nitazoxanide | none listed | 4 labelers | $82.20 per tablet 500 mg tablet | No | No current entry | 0 |
| Pentamidine diisethionate | none listed | 1 labeler | n/a | No | No current entry | 0 |
| Eflornithine | Iwilfin | none listed | n/a | No | No current entry | 0 |
| Paromomycin | Humatin | 1 labeler | 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