<prompt> Commonest cause of convulsions in a child with fever is:Febrile convulsionsMeningitisEpilepsyHypothyroidism  <response>: a. Febrile convulsionsRef: Nelsons 20e p 2831-2856, Ghai 8e p 557-561Febrile seizures are the most common cause of convulsions in a child with fever. 