Below is a drug interaction checker website for any medications. Use the word ‘cannabidiol’ (CBD) to check interactions of medications with CBD.
Drug Interaction Checker - Medscape.com
The following drug groups are metabolized by the cytochrome P450 enzyme system with the potential of prolonged medication effect with high dose administration of CBD:
-HMG CoA reductase inhibitors
-Calcium channel blockers
-Angiotension II blockers
-Oral hypoglycemic agents
More information on the CBD interaction of cytochrome P450 enzyme system with other medications is found at How Does CBD Interact with Other Medications?