Symptoms A-Z

Sores on The Inner Lip Symptoms, Causes & Common Questions

Understand your sores on the inner lip symptoms, including 4 causes and common questions.

Sores On The Inner Lip Symptom Checker

Take a quiz to find out what might be causing your sores on the inner lip

4 Possible Sores On The Inner Lip Causes

The list below shows results from the use of our quiz by Buoy users who experienced sores on the inner lip. 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 unnoti...

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

Sores On The Inner Lip Symptom Checker

Take a quiz to find out what might be causing your sores on the inner lip

Mucous cyst (mucocele)

A mucocele (mucous cyst) is NOT a serious tumor. It's typically caused by repeated biting leading to leakage of mucous from damaged mucous ducts, which accumulates and creates a cyst. It's most commonly found in kids, and usually inside the lower lip but also possibly under the tongue or in the inner cheek.

Rarity: Common

Top Symptoms: painful mouth sore, painless mouth sore, single mouth sore, sores on the inner cheek, sores on the inner lip

Urgency: Primary care doctor

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 Sores On The Inner Lip

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?
  • Have you lost your appetite recently?
  • Have you been feeling more tired than usual, lethargic or fatigued despite sleeping a normal amount?

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 what might be causing your sores on the inner lip

Sores On The Inner Lip Symptom Checker Statistics

People who have experienced sores on the inner lip have also experienced:

  • 10% Swollen Lips
  • 7% Lip Rash
  • 7% Sore Throat

People who have experienced sores on the inner lip were most often matched with:

  • 60% Mucous Cyst (Mucocele)
  • 20% Cold Sore
  • 20% Canker Sore

People who have experienced sores on the inner lip 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”).

Sores On The Inner Lip Symptom Checker

Take a quiz to find out what might be causing your sores on the inner lip

Disclaimer: The article does not replace an evaluation by a physician. Information on this page is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes.