Flu, sleeplessness, tiredness, feeling of pins and needles or tingling sensation, drowsiness, tremor, temporary loss of consciousness, taste disturbance, diarrhoea, indigestion, abdominal pain, dry mouth, inflammation of oesophagus, toothache, joint pain, joint swelling, stiffness, eating disorder, redness, itching and pain in the eyes, chest pain, increased blood pressure, flushing, shortness of breath, rash,