Yes you can today also.
Dose of paracetamol should be 10-15mg/kg for a single dose. You can repeat it on 6hrs of interval.
But taking of para650 is not your proper treatment.
Next Steps
You should consult to your family doctor for sore throat which may be the cause of your fever.
Health Tips
Drink leukwarm water daily.
Avoid cold things.
Add Honey 3spoon into one glass of water , drink this whenever you are thirsty. Avoid simple water. add this one.It will be solve your sore throat.
Give me your valuable feedback on practo.