title: Ask the doctor. My doctor started me on a calcium-channel blocker for high blood pressure. I also take a daily calcium supplement for my bones. Will that counteract the drug's effect?.
authors.forename: Richard
authors.initials: R
authors.lastname: Lee
mesh_terms: D002118:Calcium / Q000008:administration & dosage*; D002121:Calcium Channel Blockers / Q000627:therapeutic use*; D019587:Dietary Supplements; D004347:Drug Interactions; D006973:Hypertension / Q000188:drug therapy*
chemical_list: D002121:Calcium Channel Blockers; D002118:Calcium