Generally, a throat ulcer can emerge during periods of stress or intense emotions, but it can also be a result of a wound in the mouth that is healing, infection (like herpes) or medication use (like...
A bitter taste in the mouth can occur for many reasons, ranging from acute problems (like poor oral hygiene) to more serious problems (like hepatitis or acid reflux).
Bumps on the tongue can be a sign of irritated taste buds, which can occur after eating very hot or acidic foods.
A numb mouth, tongue or lips can be caused by stress, anxiety, medications, migraines or a vitamin or mineral deficiency.
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