<s>[INST] Hi doctor it is for my husband it will be (8) days tomorrow it started out with pain in the legs then became the whole body it goes and comes but along with fever 102 .4- 102.7 temp along with headache to the forehead.He get so hot then gets cold and starts to shake until he warms up.i got him dayquil cold and flu, but he is still having the temps and it gets to his head. please tell me what to do [/INST] Hi I can understand your concern.... Noted you have fever, headache and cold. So it could be here viral influenza infection. Symptomatic management done... Get your CBC done.... If high total count and necrophilia bacterial infection can because.It's better to take antibiotic now...like definite.... Take lots of fluid... More water.... Excess spicy and fried food avoided for few days. Avoid smoking like respiratory irritant. Take antihistamines Chat Doctor. If still condition increasing then auscultation needed with chest x-ray like investigation... Take care. </s>