I am sick of being sick

Patient: I have been sick 4 times in 2 months, last time went to doc gave me amoxicillin, it went away after about 3 days then came back last week its a sore sore throat and runny nose, then went away on christmas just came back AGAIN yesterday but now I have brown mucus when I use y nasal rinse and I have not smoked in over 5 years …, Im sick of being sick

Symptoms: Runny nose, sever sore throat, constantly coming back

Doctor: