Its looks like viral cause....so give paracetamol syp for fever and cetirizine syp 2.5ml two times for runny nose for 7 days...
Give vegetable soup and lukewarm water to drink...
Give home remedy for mild dry cough....
Next Steps
if family members have these symptoms then geg done covid test...
Health Tips
wait fir 3to4 days...
consult online if requires...