Medicine Name: Amnurite Beta 5/20 ER Tablet. Composition: Amitriptyline (5mg) + Propranolol (20mg). Side Effects: Sedation Weight gain Fatigue Orthostatic hypotension sudden lowering of blood pressure on standing Slow heart rate Insomnia difficulty in sleeping Tiredness Blurred vision Dryness in mouth Difficulty in urination Constipation Nightmares Cold extremities.