Angina, arrhythmia, cerebral arteritis, cerebral occlusion, changes in BP, MI, necrotising vasculitis, palpitation, pulse changes, tachycardia; depression, dizziness, drowsiness, fever, headache, insomnia, nervousness, neuroleptic malignant syndrome (NMS), Tourette's syndrome, toxic psychosis; erythema multiforme, exfoliative dermatitis, hair loss, rash, urticaria; growth retardation; abdominal pain, anorexia, diarrhoea, nausea, vomiting, weight loss; anaemia, leukopenia, thrombocytopenic purpura, thrombocytopenia; abnormal LFTs, hepatic coma, increased transaminases; arthralgia, dyskinesia; blurred vision, visual accommodation disturbance; cough, pharyngitis, sinusitis, upper respiratory tract infection; accidental injury, hypersensitivity. Transdermal: Insomnia, decreased appetite; nausea; tic, emotional instability; vomiting, anorexia; nasal congestion, nasopharyngitis; weight loss.