Lack of B vitamins, iron, or folic acid can cause bumps, soreness, or a smooth tongue.

5. Oral Infections or Illnesses

Viral infections (like cold sores or hand-foot-mouth disease) can produce small bumps.

Some bumps may indicate bacterial infections requiring treatment.

6. Allergic Reactions or Irritation

Certain foods, medications, or dental products can irritate the tongue, causing temporary bumps.

When to See a Doctor

Bumps persist for more than two weeks.

Accompanied by pain, swelling, bleeding, or white/yellow patches.

You notice other symptoms like fever, rash, or difficulty swallowing.

Tips for Relief