A 36-year old Sudanese military officer presented to the medical casualty at a rural hospital in western Sudan, with facial and neck swelling, enlargement of the tongue, difficulty in breathing and hoarseness of voice. Symptoms tea in the morning. He also had burning sensation in pain and nausea but no vomiting. The patient felt generalized body aches, severe calve muscles pain associated with paraesthesia and tingling sensations in upper and lower limbs. He also complained of severe intractable burning feet. The patient had no history of psychiatric illness or any chronic disease and was not on long term medications. He was not known to be sensit was diagnosed to have angioneurotic oedema and was managed accordingly. Tracheostomy was immediately performed along with intravenous hydrocortisone, antihistamine injections stool was loose yellowish, turned dark and his urine was reduced in amount. Foley’s catheter was introduced and moderate amount of dark brown urine passed immediately. After another three days he be then referred to renal centre at Omdurman Military Hospital with a diagnosis of acute renal failure (ARF) following hair dye poisoning. On Physical examination, he was ill, not pale, jaundiced or cyanosed. His pulse was 100/min., peripheral pulses in lower limbs were impalpable. BP was 170/90 R.R 24/min. JVP was raised .Apex in the 5 th I.C.S. normal S evidence of pulmonary oedema. Abdomen was normal. Neurological examination revealed no abnormality. Lower limbs were swollen, very tense and tender particulary in calve muscles, Investigations showed urinanalysis: brownish (fig 1), Albumin three (+).