hi..i d cold and cough since 2 months i went to doc get treated for that and i gotta cured. after that i got afternoon time fever it s exact not like fever it s kinda like burn start from chest and completely spread on my body..it s appeared like an hour..so again i went doctor he checked me with blood test.. so finally get low immunity...so he prescribed lupizyme syrup with b-protein and then renerv plus with cold syrup,then cheston cold pills...after that i gotta recovered..when he said cheston cold for week and renerv plus for 15 days..i did that but still now i got slight fever and cough get stopped..what should i do for that..kindly guide Thank you