You should consult your doctor if you experience any of these: • Infections of all types, fever and flu like symptoms • Loss of appetite, retention of fluid, dehydration, raised blood sugar levels, changes to the calcium, potassium or magnesium in the blood • Confusion, seeing or hearing things that do not exist (hallucinations), depression, aggression, agitation, mood changes, anxiety, nervousness, irritability • Stroke ,paralysis, fainting, memory disturbance, numbness, tingling or burning sensation to the skin, pains in hands or feet, dizziness, headache, tremor, sleepiness, taste disturbance or taste loss, giddiness • Blurred or reduced vision, cataract, increased tear production • Leg pain (which could be a symptom of thrombosis), increased blood pressure or a fall in blood pressure especially on standing (which may lead to dizziness or fainting when standing),