Suggest Remedy For Continued Fever, Loose Stools, Cough And Cold

Hello dr, my son has a fever from last 8 days doctor had given p 125 & from y day fever is 101, today 102 dr has said to give meftal p but fever is not going at all. we are worried what to do to see change in his health. with this he is suffering with decentry, cough, cold