You should consult your doctor if you experience any of these: • Swelling of lymph nodes • Increased body hair, diabetes, gout, increased appetite, changes to blood chemistry including reduced blood protein (including the proteins that fight infection) and changes to blood phosphate, blood sodium, thyroid hormone and the hormone that controls salt and water absorption, thirst • Changes to mental status or personality, abnormal dreams, loss of libido, panic attack, restlessness, • Voice disorder or voice loss, impaired concentration, impaired balance, movement difficulty, loss of sense of smell • Loss of vision, swelling of eyelid, eye irritation and redness, dry eye, discharge from eye • Deafness, ear pain or itching, ringing in the ear • Collapse, circulatory problems, fast, slow or irregular heart beat, shortness of breath especially when lying down (which may be a symptoms of heart failure) • Wheezing, increased throat secretions, dry throat, nasal or sinus congestion or pain, laryngitis • Rapid swelling of the skin, especially on back of hands or feet, or of eyelids, lips, face, tongue or genitals • Bleeding from bowels, stomach or gums, difficulty or pain on swallowing, haemorrhoids, inflammation, pain or ulceration of mouth, tongue or lips, toothache and coated tongue • Yellowing of the skin (due to alteration in the function of the liver) • Skin eruptions, skin cracking, flaking or discoloration, pressure sores, acne, sensitivity to sunlight • Difficulty passing urine, passing urine more frequently • Certain types of tumour of skin and brain.