What to do if i have lump on the back of my skull and sore throat for days?

Medical eval: The lump may be a swollen lymph node. For significant sore throat with 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