Rare side effects (these can affect from 1 to 10 users in 10,000 patients treated) • Decrease of activity of the thyroid gland. • Dehydration. • Mania (a disorder which symptoms are over activity, racing thoughts and decrease need for sleep), experiencing aggression and anger. • Bad breath. • Increased pressure in the eye. • Menopausal symptoms. • Contraction of the jaw muscle. • Increased level of cholesterol 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).