Symptoms A-Z

Mouth Sore With a Layer Covering It Symptom, Causes & Questions

Understand your mouth sore with a layer covering it symptoms, including 3 causes & common questions.

This symptom can also be referred to as: mouth sore with white coating

An image depicting a person suffering from mouth sore with a layer covering it symptoms

Mouth Sore With A Layer Covering It Symptom Checker

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Contents

  1. 3 Possible Causes
  2. Questions Your Doctor May Ask
  3. Statistics

3 Possible Mouth Sore With A Layer Covering It Causes

The list below shows results from the use of our quiz by Buoy users who experienced mouth sore with a layer covering it. This list does not constitute medical advice and may not accurately represent what you have.

Cold sore

A cold sore is a skin lesion on the lips caused by infection with the herpes simplex virus (HSV). Cold sores are extremely common. In fact, most adults are infected with HSV, usually transmitted in childhood by normal close contact with parents, siblings or friends.

While the infection can be entirely unnoticed, or asymptomatic, the cold sores themselves are usually visible and sometimes painful. In an otherwise healthy individual, they are essentially harmless, though their appearance can cause a great deal of distress.

As with most viruses, there is no cure for HSV infection, though certain medications can decrease the rate of outbreaks for those who are severely afflicted.

Rarity: Uncommon

Top Symptoms: mouth lesions, itchy mouth, pain on the outside of the lips, lip numbness, burning pain on the outside of the lips

Symptoms that always occur with cold sore: mouth lesions

Urgency: Self-treatment

Mouth Sore With A Layer Covering It Symptom Checker

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Canker sore

Canker sores are small, grayish-white sores in the mouth, often on the inside of the cheeks, lips, and on the tongue. No one really knows why canker sores happen, but it seems to be inherited and susceptible to vitamin deficiencies and allergies.

Rarity: Common

Top Symptoms: painful mouth sore, numerous mouth sores, mouth sore surrounded by a red area, single mouth sore, oral ulcer

Symptoms that always occur with canker sore: painful mouth sore

Urgency: Self-treatment

Oral herpes

Herpetic stomatitis is a viral infection of the mouth that causes fever and red and inflamed gums. This typically happens early in childhood.

Rarity: Rare

Top Symptoms: fever, gum pain, painful mouth sore, gum swelling, gum redness

Symptoms that always occur with oral herpes: gum pain

Urgency: Self-treatment

Questions Your Doctor May Ask About Mouth Sore With A Layer Covering It

To diagnose this condition, your doctor would likely ask the following questions:

  • Do you have a rash?
  • Any fever today or during the last week?
  • Do you have a sore throat?
  • Have you lost your appetite recently?

The above questions are also covered by our A.I. Health Assistant.

If you've answered yes to one or more of these questions

Take a quiz to find out why you're having mouth sore with a layer covering it

Mouth Sore With A Layer Covering It Symptom Checker Statistics

People who have experienced mouth sore with a layer covering it have also experienced:

  • 6% Fatigue
  • 5% Neck Bump
  • 5% White, Lacy Plaque On Tongue

People who have experienced mouth sore with a layer covering it were most often matched with:

  • 33% Cold Sore
  • 33% Canker Sore
  • 33% Oral Herpes

People who have experienced mouth sore with a layer covering it had symptoms persist for:

  • 47% Less than a week
  • 26% Less than a day
  • 11% Over a month

Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

Mouth Sore With A Layer Covering It Symptom Checker

Take a quiz to find out why you're having mouth sore with a layer covering it