Hi, you need a to see a dentist immediately. Your symptoms indicate infection due to food impaction around partially erupting wisdom molar
Next Steps
Visit a dentist, and get treatment under antibiotic cover. Follow all post operative instructions that your doctor advises along with the medications that he recommends
Health Tips
Start doing lukewarm water gargles, two to three times a day. That will provide some symptomatic relief. Hope this helps :)