Hello Sir,My Son Is 2 Year & 2 Month Old.He

Hello sir,My son is 2 year & 2 month old.He is allergic & frequently he is suffering from cough & fever twice in a month.is it ok to give him a sudarshan ghanvati instead of allopathic medicines?i am also allergetic & if i m taking sudarshan Ghanvati , i will be okay next day.since he is two small , i prefer to give him ayurvedic medicines & also we are unable to find his reason of allergy.