What the FDA labels say about taking them together
Cholestyramine and colestipol
Colestipol's FDA label of February 19, 2024 names cholestyramine in its drug interactions section; the cholestyramine label PlainMeds reads does not name colestipol. The colestipol label: “A study has shown that cholestyramine binds bile acids and reduces mycophenolic acid exposure.”
Check it at the source: the cholestyramine FDA label on DailyMed (effective August 20, 2026, AiPing Pharmaceutical, Inc.); the colestipol FDA label on DailyMed (effective February 19, 2024, Zydus Pharmaceuticals USA Inc.).
What does the cholestyramine label say about colestipol?
Cholestyramine's label (effective August 20, 2026) does not name colestipol in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Cholestyramine), AiPing Pharmaceutical, Inc., effective August 20, 2026 (SPL set 214ea05f-de81-4026-9df9-4ce3820668ee), via openFDA; the full label on DailyMed
What does the colestipol label say about cholestyramine?
Colestipol label, drug interactionsA study has shown that cholestyramine binds bile acids and reduces mycophenolic acid exposure.
Source: FDA drug label (Colestipol hydrochloride), Zydus Pharmaceuticals USA Inc., effective February 19, 2024 (SPL set 71f12e0d-373a-4867-b37c-f24d99c5ce95), 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
| Cholestyramine | Colestipol | |
|---|---|---|
| Labeled for | High cholesterol | High cholesterol |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | $0.834 per packet Cholestyramine packet | $0.658 per tablet 1 g 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