Answer
Cholestyramine may impair intestinal absorption of oral One-Alpha (alfacalcidol), so One-Alpha should be taken at least 1 hour before or 4–6 hours after cholestyramine to minimise this interaction.
Sources for this answer
- One-Alpha CapsulesNeon Healthcare Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 15Document updated
Sources checked