Read below about mild mouth swelling, including causes and common questions. Or get a personalized analysis of your mild mouth swelling from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

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A.I. Health Assistant Causes for Mild Mouth Swelling

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced mild mouth swelling. This list does not constitute medical advice.

  1. 1.Angioedema

    Angioedema is a condition which can cause swelling and puffiness of the face, mouth, tongue, hand or genitals. It is often related to an allergic reaction to food, medicines or insect bites.

    With treatment, this usually resolves in a few days.

    Rarity:
    Rare
    Top Symptoms:
    nausea or vomiting, abdominal cramps (stomach cramps), diarrhea, swollen face, hand swelling
    Urgency:
    Hospital emergency room
  2. 2.Allergic Reaction (Not Life - Threatening)

    When the body encounters a harmful substance, it responds with inflammation and swelling that can be protective. In many individuals, the body responds this way to substances that are not normally harmful, like foods or pollen. This is the basis of allergy, or Type 1 Hypersensitivity.

    Symptoms should resolve in a matter of hours.

    Rarity:
    Common
    Top Symptoms:
    swollen face, swollen lips, lip numbness, hives, red swollen bumps or patches with a pale center, lip redness
    Symptoms that never occur with allergic reaction (not life-threatening):
    shortness of breath, throat itching
    Urgency:
    Primary care doctor
  3. 3.Anaphylaxis

    Anaphylaxis is the sudden onset of breathing or heart rate changes that are caused by a whole-body allergic reaction. This can be a deadly situation.

    Indefinite

    Rarity:
    Rare
    Top Symptoms:
    nausea or vomiting, headache, stomach bloating, abdominal cramps (stomach cramps), being severely ill
    Urgency:
    Emergency medical service

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  4. 4.Gingivitis

    Gingivitis is the infection of the gums surrounding the teeth. It is caused by plaque and/or tartar that has built up on your teeth. Plaque is a sticky layer of gunk made by food particles, mucus, and bacteria. After a while, plaque hardens to become tartar (or calculus). Plaque and tartar at the bottom of the teeth causes the gums to become irritated and infected.

    Great, with dental care and improvement in dental hygiene

    Rarity:
    Uncommon
    Top Symptoms:
    bleeding gums, gum pain, gum swelling, gum redness
    Urgency:
    Primary care doctor
  5. 5.Ludwig's Angina

    Ludwig angina is a bacterial infection of the floor of the mouth and occurs beneath the tongue.

    Recovery is dependent on severity of disease.

    Rarity:
    Rare
    Top Symptoms:
    shortness of breath, fever, being severely ill, trouble swallowing, neck pain
    Urgency:
    Hospital emergency room
  6. 6.Cold Sore

    Cold sores (also called oral herpes or fever blisters), are viral infections of the mouth caused by the herpes virus type 1. You were probably infected very early in life as a child when an adult kissed you. The virus stays asleep (dormant) and causes infections every now and then after exposure to lots of sun or emotional/physical stress. It is contagious when an outbreak is happening, but treatment is limited unless you are immunocompromised.

    1-2 weeks. Natural healing process starts within 24 hours of the initial sore starting.

    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
  7. 7.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.

    1-2 weeks but recurrent

    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 Mild Mouth Swelling

  • Q.Do you have a rash?
  • Q.Does your throat feel itchy or irritated?
  • Q.What part of your mouth is swollen?
  • Q.Are your symptoms worse while eating?

If you've answered yes to one or more of these questions, try our mild mouth swelling symptom checker to find out more.

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Mild Mouth Swelling Symptom Checker Statistics

  • People who have experienced mild mouth swelling have also experienced:

    • 9% Dry Mouth
    • 7% Jaw Pain
    • 7% Itchy Mouth
  • People who have experienced mild mouth swelling had symptoms persist for:

    • 41% Less Than a Day
    • 38% Less Than a Week
    • 10% Over a Month
  • People who have experienced mild mouth swelling were most often matched with:

    • 41% Anaphylaxis
    • 35% Angioedema
    • 23% Allergic Reaction (Not Life - Threatening)
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

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