<prompt> Cause of malignant hypehermia is?HalothaneIsofluraneThiopentoneSuxamethonium  <response>: Ans. is d b i.e., Suxamethonium Isoflurane Drugs causing Malignant hvpehermia MH Succinylcholine Enflurane Methoxyflurane Phenothiazines Halothane Sevoflurane MAO inhibitors Lignocaine Isoflurane Desflurane TCA Succinylcholine is the most common cause of MH. Amongst anaesthetics, halothane is most common cause. Combination of Sch and Halothane has a much higher incidence. 