my son is 3yr 4minths we have been giving him budacart 100mcg since 5months,from last 15 days I hv noticed that he caughs severely wen ever he does running race cycling and more of physical activity,

A. coughs as doing physical activities..this is common in babies.. still if that is severe then reach the doc ...and get a thorough chk up done.. ask the child to relax .. some breathing exercises... tk care