Rare side effects (these can affect from 1 to 10 users in 10,000 patients treated) • Mania (a disorder which symptoms are over activity, racing thoughts and decrease need for sleep), experiencing hallucinations • Increased level of sugar in the blood, low levels of sodium in the blood (the symptoms are feeling sick and unwell with weak muscles or confused), syndrome of inadequate secretion of anti-diuretic hormone (SIADH). • Bad breath. • Increased pressure in the eye. • Menopausal symptoms. • Sexual problems. • Abnormal manner of walking, contraction of the jaw muscle. • Decrease of activity of the thyroid gland, chest or stomach pain. • Need to pass more urine then usual or urine flow decreased.