I Have Had The Sensation In My Throat That Something

I have had the sensation in my throat that something is in it for a couple of weeks I saw my PCP and he said that he did not see or feel anything abnormal and gave me an Rx for Prilosec to be taken in the morning for 1 month and return at that time for further evaluation I have no pain or severe heartburn no other symptoms This symptom began around the same time I began taking Sertraline