HBG2 and liver failure: Oral charcoal and purgation up to five days helped to eliminate the body stores of nitrobenzene and prevented secondary deterioration in the patient, as reported in some cases.[1, 2] Taking care of nutrition, adequate urine output, and hepatoprotection prevented kidney and liver failure, which have been cited as late effects.[1, 6] Forced diuresis led to a rapid fall in methemoglobin levels and improved discolouration.[5] Ascorbic acid supplements are useful for follow-up management of methaemoglobinaemia.[9]