Table 1

Chronic anticonvulsant toxicity with antiepileptic drug treatment

Nervous system
Memory and cognitive impairment, hyperactivity and behaviour disturbances, pseudodementia, cerebellar atrophy, peripheral neuropathy
Ocular
Retinopathy
Skin
Acne, hirsutism, alopecia, chloasma
Liver
Enzyme induction
Blood
Megaloblastic anaemia, thrombocytopenia, pseudolymphoma
Immune system
IgA deficiency, drug induced systemic lupus erythematosus
Endocrine system
Decreased thyroxine concentrations, increased cortisol and sex hormone metabolism
Bone
Osteomalacia
Connective tissue
Gingival hypertrophy, coarsened facial features, Dupuytren's contracture