Thanks for the query.
You are indeed having high-grade fever, tepid sponging will help. Also, you have a headache and feeling like having got cold as well.It looks like a viral infection. Drink lots of water to keep yourself hydrated and consult a doctor soon, do not wait. Blood and urine tests may be needed. A course of antibiotics and analgesics will be needed. Also, you can taken a Paracetamol tablet till you see the doctor bring down the temperature, also try steam inhalation.
Hope this helped.
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