<prompt> The following are the contraindications of BAL except:G6PD deficiencyIron poisoningCadmium poisoningGold poisoning  <response>: BAL British anti-lewisite, dimercaprol: It is used in arsenic, lead, bismuth, copper, mercury, gold and other heavy metal poisoning. Dose: 10 solution in oil, 3-5 mgkg IM 4 hourly for 2 days, 6 hourly on 3rd day and then 12 hourly for next 10 days. Side effects: Nausea, vomiting, headache and hypeension. Contraindicated in liver damage, G-6-PD deficient individuals, and iron poisoning cadmiumsince dimercaprol-cadmium and dimercaprol-iron complex is itself toxic. 