FDA pharmacologic class
Paramagnetic Contrast Agent
3 medicines are in FDA's class of paramagnetic contrast agents: manganese chloride, gadoteridol (Prohance) and gadodiamide (Omniscan); 1 combination product also contains one. 2 of the 4 are listed from generic labelers (FDA NDC Directory, October 8, 2026).
Which medicines are paramagnetic contrast agent?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Manganese chloride | none listed | 1 labeler | n/a | No | No current entry | 0 |
| Gadoteridol | Prohance | 1 labeler | n/a | Yes | No current entry | 0 |
| Cupric sulfate, manganese sulfate, selenious acid and zinc sulfate | Multrys, Tralement | none listed | n/a | No | No current entry | 0 |
| Gadodiamide | Omniscan | none listed | n/a | Yes | 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)