Nervous system disorders: Sedation/drowsiness, Light-headedness, Nervousness/Anxiety, Reduced alertness, Confusion, Headache, Dizziness, Insomnia

Psychiatric reactions: Restlessness, Agitation, Irritability, Aggressiveness, Delusion, Rages, Nightmares, Hallucinations, Psychoses, Inappropriate behaviour

Musculoskeletal disorders: Muscle weakness, Ataxia, Tremor

Others: Gastrointestinal disturbances, Changes in libido, Skin reactions, Fatigue, Double or blurred vision, Change in weight, Loss of appetite, Slurred speech, Menstrual irregularities, Urinary retention, Abnormal liver function, Hyperprolactinaemia (High prolactin level)