What the FDA labels say about taking them together
Bromocriptine and sirolimus
Sirolimus's FDA label of January 28, 2026 names bromocriptine in its drug interactions section; the bromocriptine labels PlainMeds reads (2) do not name sirolimus. The sirolimus label: “Drugs that could increase sirolimus blood concentrations: Bromocriptine, cimetidine, cisapride, clotrimazole, danazol, diltiazem, fluconazole, letermovir, protease inhibitors, metoclopramide, nicardipine …”
Check it at the source: the bromocriptine FDA label on DailyMed (effective July 27, 2026, ANI Pharmaceuticals, Inc.); the sirolimus FDA label on DailyMed (effective January 28, 2026, Glenmark Pharmaceuticals Inc., USA).
What does the bromocriptine label say about sirolimus?
Bromocriptine's label (effective July 27, 2026) and its 1 other brand-application label do not name sirolimus in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Bromocriptine Mesylate), ANI Pharmaceuticals, Inc., effective July 27, 2026 (SPL set 17f3a343-1782-4799-95ba-31dfe93be2cf), via openFDA; the full label on DailyMed
What does the sirolimus label say about bromocriptine?
Sirolimus label, drug interactionsDrugs that could increase sirolimus blood concentrations: Bromocriptine, cimetidine, cisapride, clotrimazole, danazol, diltiazem, fluconazole, letermovir, protease inhibitors (e.g., HIV and hepatitis C that include drugs such as ritonavir, indinavir, boceprevir, and telaprevir), metoclopramide, nicardipine, troleandomycin, verapamil
Source: FDA drug label (sirolimus), Glenmark Pharmaceuticals Inc., USA, effective January 28, 2026 (SPL set 57fb4d90-3ccb-4a69-af1e-53be83f7a504), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Bromocriptine | Sirolimus | |
|---|---|---|
| Labeled for | Parkinson's disease, Type 2 diabetes | Organ transplant rejection |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | $1.61 per tablet 2.5 mg tablet | $0.723 per tablet 1 mg tablet |
| Shortage now | No current entry | No current entry |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once