Is It Advisable To Give Romilast For Cough And Cold In A Child?

Hello Sir,My self Manish and i have a query to know about the use of Romilast L-5 for my daughter age-7 year,Weight-16.5 kg,she most of the time suffering from cold & flu,almost in every month,is it ok to give her Romilast L-5.what are the symtoms of overdose