title: Severe bradycardia due to interaction of timolol eye drops and verapamil.
mesh_terms: D001919:Bradycardia / Q000139:chemically induced*; D004347:Drug Interactions; D005902:Glaucoma, Open-Angle / Q000188:drug therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D009883:Ophthalmic Solutions / Q000009:adverse effects; D013999:Timolol / Q000008:administration & dosage / Q000009:adverse effects*; D014700:Verapamil / Q000009:adverse effects*
chemical_list: D009883:Ophthalmic Solutions; D013999:Timolol; D014700:Verapamil