Other possible side effects: frequency cannot be estimated from the available data.  Allergic reaction (e. g. swelling in the mouth and throat, itching, rash).  Diabetes or the worsening of diabetes, occasionally associated with ketoacidosis (ketones in the blood and urine) or coma.  Lowering of normal body temperature.  Seizures, usually associated with a history of seizures (epilepsy).  Combination of fever, faster breathing, sweating, muscle stiffness and drowsiness or sleepiness.  Spasms of the muscle of the eye causing rolling movement of the eye.  Abnormal rhythms of the heart.  Sudden unexplained death.  Blood clots such as deep venous thrombosis of the leg or blood clot on the lung.  Inflammation of the pancreas causing severe stomach pain, fever and sickness.  Liver disease appearing as yellowing of the skin and white parts of the eyes.  Muscle disease presenting as unexplained aches and pains.  Difficulty in passing urine.  Prolonged and/ or painful erection.