Can You Get Pimples Inside Your Mouth? Oral Bumps - Dermatology

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Can you get pimples inside your mouth?


Hello, doctor.
Can you tell me if it's possible to get pimples inside the mouth? This morning, I noticed a white spot on the tissue between my lower lip and the canine tooth on the right side (not on the gums).
It doesn't hurt and looks similar to a pimple.
The night before, I was craving snacks and ate two bags of potato chips.
I wonder if that has anything to do with it?

A-Hsien, 20~29 year old female. Ask Date: 2010/06/18

Dr. Huang Ruiyun reply Dermatology


Hello: I'm sorry, but according to regulations, diagnoses cannot be made online.
Please visit an ENT specialist or a dentist in person.
Wishing you good health!

Reply Date: 2010/06/18

More Info


Yes, you can develop bumps or lesions inside your mouth that may resemble pimples. These bumps can be caused by various factors, including irritation, infection, or other underlying conditions. In your case, the white bump you described between your canine tooth and the lower lip could be a mucous cyst, a type of bump that occurs when a salivary gland becomes blocked. It can also be a result of irritation from food, such as the potato chips you mentioned, which can cause minor trauma to the oral mucosa.

Oral bumps can also be associated with other conditions, such as:
1. Canker Sores: These are small, painful ulcers that can appear on the soft tissues inside the mouth. They are not contagious and can be triggered by stress, certain foods, or hormonal changes.

2. Herpes Simplex Virus: This virus can cause cold sores or fever blisters, but it can also lead to lesions inside the mouth. These are usually painful and may be accompanied by other symptoms like fever or swollen lymph nodes.

3. Oral Thrush: This is a fungal infection caused by an overgrowth of Candida yeast. It can lead to white patches or bumps in the mouth and may cause discomfort.

4. Fibromas: These are benign tumors that can develop in the mouth due to chronic irritation or trauma. They are usually firm and painless.

5. Mucocele: This is a common type of cyst that occurs when a salivary gland duct is blocked or damaged, leading to a buildup of mucus. Mucoceles are typically painless and can appear as bluish or translucent bumps.

If the bump you are experiencing does not cause pain and is not accompanied by other symptoms, it may resolve on its own. However, if it persists for more than a week, changes in size or color, or becomes painful, it is advisable to seek evaluation from a healthcare professional, such as a dentist or an oral surgeon. They can provide a proper diagnosis and recommend appropriate treatment if necessary.

In the meantime, here are some general tips for managing oral bumps:
- Maintain Oral Hygiene: Brush your teeth and gums gently but thoroughly to prevent further irritation.

- Avoid Irritating Foods: Steer clear of spicy, acidic, or crunchy foods that may aggravate the bump.

- Stay Hydrated: Drink plenty of water to keep your mouth moist and help flush out irritants.

- Use Over-the-Counter Remedies: If the bump becomes uncomfortable, you may consider using topical oral gels or rinses designed to soothe oral lesions.

In conclusion, while it is possible to develop bumps that resemble pimples inside your mouth, the exact cause can vary widely. Monitoring the bump for changes and maintaining good oral hygiene are essential steps. If you have any concerns or if the bump does not improve, consulting a healthcare professional is the best course of action.

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