Night blindness; diarrhoea, nausea; malaise; increased blood creatinine; decreased appetite; taste disorder; renal impairment. Anaemia; blurred vision, visual impairment; vomiting; liver disorder; increased ALT & AST; rash. Hypothyroidism; retinal vein occlusion, retinopathy, acquired colour blindness; abdominal discomfort & pain, dry mouth, dyspepsia, enterocolitis, stomatitis, intra-abdominal & duodenal ulcer haemorrhage; oedema, pyrexia; pneumonia, cystitis; decreased platelet count, increased blood bilirubin, blood alkaline phosphatase & LDH, decreased wt & blood P; hypokalaemia, dehydration; proteinuria, dysuria; dysphonia; alopecia, pruritus, acneiform dermatitis, eczema, maculo-papular rash.