Common side effects (affects 1 to 10 users in 100) include: • vomiting, diarrhoea, constipation, stomach ache, bloated feeling, indigestion, loss of appetite • depression, difficulty in concentrating, excessive feeling of well being • increased sensitivity to sound and noise, blurred or double vision • low blood pressure, flushing/ feeling hot, slow shallow breathing, feeling weak, feeling faint, reduced sensitivity to touch, numbness or tingling • runny or blocked nose, dry mouth, sore throat, itching of the skin, skin rash, irritation under the tongue