Pimple On Bottom Of Tongue. This could be a lie bump especially if it appears at the tip. They occur when the papillae housing the taste bud becomes inflamed.

A few days ago i noticed a pimple like hard stone of some sort under my tongue. I could feel it always and i could touch it with my tongue but when i touched it with my fingers i felt major pain. If you experience such kind of pimple on tongue for over two weeks then seek for a medical checkup.
In most cases these bumps are merely a nuisance.
White pimple on tongue. They can be painful even when you arent eating or drinking. A stubborn sore pimple on tongue that sometimes refuses to go away may be a sign of a cancerous swelling. Any kind of blister or sore bump under your tongue on the inside of your cheek or on your gums can cause your tongue or mouth to be extra sensitive to heat flavors and even make talking difficult.