It sounds like you are experiencing discomfort from a sore throat following a fever, which may indicate an infection or inflammation.

🩺 Immediate Care Steps

• Gargle with a diluted povidone-iodine solution (such as Apollo Pharmacy Povidone Iodine 2% W/V Gargle) every 2 to 4 hours to help reduce infection and soothe the throat.
• Stay well hydrated and rest your voice as much as possible.
• Use over-the-counter pain relievers like paracetamol or ibuprofen to manage pain and fever, if suitable for you.

⚠️ When to Seek Medical Attention

• If the pain and swelling worsen or do not improve within 2-3 days.
• If you develop difficulty breathing, swallowing, or high fever persists.
• If you notice white patches or pus in the throat, which may require antibiotics.

🩺 Follow-up Recommendations

• Consult an ear, nose, and throat (ENT) specialist to evaluate the cause of your sore throat and swelling.
• A physical examination and possibly a throat swab may be needed to guide treatment.

If you want, I can explain how to prepare and use the povidone-iodine gargle safely.To narrow down potential causes, we will need some more information.I understand you had a fever yesterday and now have a sore throat with pain and swelling. Please tell me your age and gender.