Medicine Name: Eritel-CH 40 Trio Tablet. Composition: Telmisartan (40mg) + Amlodipine (5mg) + Chlorthalidone (12.5mg). Side Effects: Headache Dizziness Sleepiness Edema swelling Increased uric acid level in blood Fatigue Increased blood lipid level Increased liver enzymes Visual disturbance Breathlessness Muscle cramp Gastrointestinal disturbance Electrolyte imbalance Increased glucose level in blood Urticaria Postural hypotension low blood pressure Impotence.