Is It Safe To Take Allopathic And Homeopathic Medicines Together?

my son is now 5 yrs 3 months and suffering from nephrotic syndroeme from the age of 3 yrs and 9 months .we have been giving him allopathic medicines(predone/deflazacod)since then .from past 5 months we have parallely started homeopathic treatment also whereby defalazacod doses r reduces to 15mg per day from 30mg .is there a possibility that allopathy reduces to zero and thru homeopathy he cud complety cured.