Read below about mild foot swelling, including causes and common questions. Or get a personalized analysis of your mild foot 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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10 Potential Mild Foot Swelling Causes

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.

  1. 1.Irritant Contact Dermatitis

    Contact dermatitis is a condition in which the skin becomes red, sore, or inflamed after direct contact with a substance. This condition most often affects skin of the hands, and may occur after repeated and prolonged exposure to substances such as water, detergents (soaps, bleach), solvents (such as gasoline), acids, powders, dust, and soil. The onset of the skin reaction is usually within 48 hours of coming in contact with the substance.

    1-2 days.

    Rarity:
    Common
    Top Symptoms:
    rash with well-defined border, itchy rash, red or pink, rough patch of skin, painful rash, red rash
    Symptoms that always occur with irritant contact dermatitis:
    rash with well-defined border
    Symptoms that never occur with irritant contact dermatitis:
    fever, black-colored skin changes, brown-colored skin changes, blue-colored skin changes
    Urgency:
    Self-treatment
  2. 2.Lipoma

    A lipoma is a noncancerous growth of fatty tissue cells. A lipoma can develop in almost any organ of the body although they are most commonly found in the subcutaneous layer just below the skin.

    Resolves with treatment

    Rarity:
    Uncommon
    Top Symptoms:
    skin-colored foot bump, marble sized foot lump, small foot lump
    Symptoms that always occur with lipoma:
    skin-colored foot bump
    Urgency:
    Wait and watch
  3. 3.Athlete's Foot (Tinea Pedis)

    Athlete's foot is a common fungal infection of the feet and/or toes. Warm, moist environments and community showering are common causes of this type of infection.

    With treatment, athlete's foot should go away in about 2 weeks. However, it often comes back, especially if the same shower or bathroom are used.

    Rarity:
    Common
    Top Symptoms:
    foot redness, foot/toe itch, foot skin changes, spontaneous foot pain, peeling between the toes
    Symptoms that always occur with athlete's foot (tinea pedis):
    foot redness
    Symptoms that never occur with athlete's foot (tinea pedis):
    toe injury
    Urgency:
    Self-treatment
  4. 4.Uncomplicated Spider Bite

    The vast majority of spider bites are not dangerous and do not require any special treatment or medication.

    Symptoms should resolve within 5-7 days.

    Rarity:
    Common
    Top Symptoms:
    spider bite, red-colored skin changes, skin changes from a bug bite
    Symptoms that always occur with uncomplicated spider bite:
    spider bite
    Symptoms that never occur with uncomplicated spider bite:
    shortness of breath, episodes of face turning red, fever, severe pain around the spider bite, ulcerated spider bite, bite by a black widow spider, brown recluse spider bite
    Urgency:
    Self-treatment
  5. 5.Ringworm (Tinea Corporis)

    Tinea Corporis is a common fungal infection of the skin. This rash is sometimes called "ringworm" and results in ring-shaped redness that is often itchy.

    With treatment, the rash should resolve within 2-3 weeks

    Rarity:
    Common
    Top Symptoms:
    dry skin, rash, red rash, itchy rash, curved rash
    Symptoms that never occur with ringworm (tinea corporis):
    groin skin changes, fever, scrotal itch, groin itch, facial skin changes, hand skin changes, genital skin changes
    Urgency:
    Self-treatment

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  6. 6.Allergic Contact Dermatitis of the Foot

    Allergic contact dermatitis is a condition in which the skin becomes irritated and inflamed following physical contact with an allergen. Common products known to cause allergic dermatitis include plants, metals, soap, fragrance, and cosmetics.

    1-2 days

    Rarity:
    Common
    Top Symptoms:
    foot redness, foot/toe itch, scabbed area of the foot
    Symptoms that always occur with allergic contact dermatitis of the foot:
    foot redness
    Urgency:
    Self-treatment
  7. 7.Non - Specific Dermatitis (Skin Inflammation)

    Dermatitis is the inflammation ("-itis") of the skin ("derma" is a layer of the skin). It can be caused by any number of causes, from allergies to infections to autoimmune issues. Dermatitis of Normal Variation (also called, "NOS") means that all of those other causes of your rash have been ruled out. This is very common.

    1-2 days

    Rarity:
    Common
    Top Symptoms:
    red rash, itchy rash, painful rash
    Symptoms that always occur with non-specific dermatitis (skin inflammation):
    red rash
    Urgency:
    Self-treatment
  8. 8.Severe Skin Abscess

    A skin abscess is an infection of the deeper skin that's typically due to bacteria seen on the skin. Recently, infections are more frequently caused by Staph. Aureus (puts the "staph" in "staph infections"). If the infection begins to spread, urgent treatment is required.

    92-96% resolve with treatment within 7-10 days

    Rarity:
    Rare
    Top Symptoms:
    fatigue, fever, pink or red foot bump, painful foot lump, marble sized foot lump
    Symptoms that always occur with severe skin abscess:
    pink or red foot bump, red bump
    Urgency:
    Hospital emergency room
  9. 9.Skin Cyst

    An epidermoid cyst is a closed sac under the skin filled with a cheese-like or oily material. It is often caused by trauma or surgery.

    Resolves with treatment

    Rarity:
    Common
    Top Symptoms:
    skin-colored foot bump, marble sized foot lump, small foot lump
    Symptoms that always occur with skin cyst:
    skin-colored foot bump
    Urgency:
    Wait and watch
  10. 10.Achilles Tendonitis

    The Achilles tendon connects the calf muscles to the heel bone. Together, they help push the heel off the ground and let a person go up on their toes. Achilles tendinitis occurs when that tendon becomes swollen and painful near the bottom of the foot.

    Symptoms should resolve by themselves within weeks to months.

    Rarity:
    Uncommon
    Top Symptoms:
    achilles-area pain, stiff achilles tendon, swollen achilles
    Symptoms that always occur with achilles tendonitis:
    achilles-area pain
    Urgency:
    Phone call or in-person visit

Questions Your Doctor May Ask About Mild Foot Swelling

  • Q.Where exactly is your foot swelling?
  • Q.What is your body mass?
  • Q.Have you ever been diagnosed with diabetes?
  • Q.Do you have a history of high cholesterol?

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

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Mild Foot Swelling Symptom Checker Statistics

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

    • 11% Foot Bump
    • 5% Pain in One Foot
    • 5% Tingling Foot
  • People who have experienced mild foot swelling had symptoms persist for:

    • 31% Less Than a Week
    • 26% Less Than a Day
    • 22% Over a Month
  • People who have experienced mild foot swelling were most often matched with:

    • 3% Irritant Contact Dermatitis
    • 3% Lipoma
    • 3% Athlete's Foot (Tinea Pedis)
  • 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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