My 69 yaar old father diabetic 170 or like that and hepatitis b but in control., He stays at home. Suddenly goth fever for last two days about 100 t103.5, 102.7 like that we are administering paracetamol 650 and whenever it is is administered the fever comes down to  102 from 103.5. he has body ache too.he is not having cough cold and thing else. Wat is t b done and can ORS , tonic be given? Plz advise