<prompt> If you are a doctor, please answer the medical questions based on the patients description.I saw my dentist today who said he has never seen lumps like the ones I have at the back of my tounge. They are not red or painful, just raised. I do have acid reflux and take prilosec daily. I have had a lap band for 5 years and have had 2 endoscopies in the past 6 months. I have a bitter tast in my mouth that never goes away.I am 50 years old.and am in menopause.  <response>: Hello, Thanks for your query. Bumps on back of tongue are known as papillae they are natural. In case they are painful inflamed, then it can be due to various reasons:- -trauma -allergy -canker sores -throat infection -leukoplakia -scarlet fever You need to rule out the exact cause by visiting dentist get it treated accordingly. For temporary relief you may apply topical anesthetic gel like colonel 2-3times a day. Consult your dentist in case problem persists. I do hope that you have found something helpful, and I will be glad to answer any further query. Take care 