Hi Iam Dr.Prashanth Marka. I will try my best to help you.
Pain in throat could be due to allergy or infection. Immediate remedy would be gargling with lukewarm salt water (not advisable for hypertension patients) and pain killers. Feeling of vomiting could be due to throat infection or gastritis. U need take antacid medicines like 'Pan D'. However you need to visit a doctor for more help.
Next Steps
This is INFORMATION only, not a substitute for doctor's visit.
Health Tips
Gargle will lukewarm salt water followed by mouth wash