Medicine Name: Triolvance 20 Tablet. Composition: Olmesartan Medoxomil (20mg) + Amlodipine (5mg) + Hydrochlorothiazide (12.5mg). Side Effects: Headache Dizziness Nausea Upper respiratory tract infection Fatigue Urinary tract infection Diarrhea Joint swelling Peripheral edema Nasopharyngitis inflammation of the throat and nasal passages Muscle spasm.