Always feeling feverish. Be the reason.

Hi since 25 days feeling feverish but no temp it's normal but iam feeling feverish symptoms like sore throat head ache eyes pain heavy head mild body aches .when I take paracetomol iam feeling better till 6 hours again later feeling the same feverish symptoms but no temp..I took cold tablets and nasal spray throat itching is gone but still I have body ache fatigue feverish symptoms mild body ache severe head heaviness and left eye tinkling sensation and face tightness...Since 20 days iam taking paracetomol since 5 days taking naproxen for headache .what may be the reason ... I am not getting sleep at night from many days CBP normal CRP 9.9 Since 1 and half year having upper back ache MrI normal... I feel this type every few days now it's been 25 days iam feeling the same 28f... Already I have been on many medications for upper back pain now this fever heavy headache why iam feeling like this plz help I have 2 years old baby not breastfeeding since birth...