Hello, these symptoms post vaccination are seen in many people. These will subside after after 2 days.
Till then you can take paracetamol 650mg as and when required, but at a gap of 6 hrs and not more than 4 tablets in 24 hours.
Next Steps
Take Paracetamol as instructed
Health Tips
If you still don't feel better after 2 days, kindly consult a doctor. And check SpO2.