Can cause retinopathy
hair loss
photosensitivity
tinnitus
myopathy (long-term therapy)
psychosis
seizures
leucopenia
aplastic anaemia
hepatitis
GI upsets
dizziness
hypokalaemia
headache
pruritus
urticaria
difficulty in visual accommodation
bleaching of hair pigment
bluish-black pigmentation of the mucous membranes or skin
photosensitivity
tinnitus
reduced hearing
nerve deafness
neuromyopathy and myopathy.