Pimple In Mouth Under Tongue. Pimples on the Tip of the Tongue As with pimples elsewhere in the mouth and tongue these pimples may be painless or painful small or large and red or white in color. Black pimples found on the tongue are usually caused by allergic reactions trauma injury hairy black tongue oral cancer tongue piercings oral fibroma or hyperpigmentation.

Not the best idea but it came out. 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. Whereas they are usually harmless sores or blisters caused by injuries or infections they might in rare cases be an indication of a serious condition such as cancer.
Oral mucous cysts that develop on the floor of the mouth are thought to be caused by a blocked salivary gland beneath the tongue.
At the very least they are the result of eating too many acidic or sugary foods and at the most they could be a sign of disease. 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. The floor of mouth is a horseshoe-shaped area under the tongue between the sides of the lower jawbone the mandible. Oral cancer this kind on an infection can result to a pimple in mouth that mainly is noticed with a cancerous bump below your tongue.