<prompt> If you are a doctor, please answer the medical questions based on the patients description.4 year old daughter has a pimple on the side of her tongue foliate papillae. Also a blister looking one in the centre of her tongue. What can it be and what do I do  <response>: Hi, Firstly good to know that you know about the name of the papilla. You have not provided any painitching history in relation to the blister duration of the blister being there. If it is painful then give fresh fruits juices to give vitamins minerals as no treatment is needed. If it is painful, then please consult some nearby dentist. Also, the pimple you mentioned is just enlargementhypertrophy of the papilla, no need to worry. Just take good care of her. With 