Burning mouth syndrome usually comes on suddenly, but it can develop slowly over time. Often the specific cause can’t be found. Although that makes treatment more challenging, working closely with your health care team can help you reduce symptoms.

Symptoms

A burning or scalding affects your tongue

• dry mouth
  increased thirst.
• Taste changes
  a bitter or metallic taste.
• Loss of taste.
• Tingling, stinging or numbness in mouth.

Whatever pattern of mouth discomfort you have, burning mouth syndrome may last for months to years.

Burning mouth syndrome usually doesn’t cause any physical changes to your tongue or mouth that can be seen.