I feel hot one minute and then cold the next and my throat feels like its swollen; it hurts.

Possible infection: Seem to describe symptoms that suggest a possible infection. Additionally, symptoms could point to a thyroid condition. Bottom line-time to see a doctor so that nothing worsens.

You could have a: Variety of upper respiratory virus infections or even strep throat. For significant sore throat w swollen tonsils / lymph nodes – see physician ; get a strep throat test/ culture. If you have strep throat, antibiotic therapy is imperative to prevent future complications. Consider tylenol (acetaminophen) or nonsteroidal anti-inflammatory medications. Saltwater gargles: mix 1 tsp salt in 8 oz warm water – gargle.

Viral illness: Early symptoms of viral, or bacterial upper respiratory illness- cold - pharyngitis.