Read below about swelling of one foot, including causes and common questions. Or get a personalized analysis of your swelling of one foot 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 Swelling of One Foot

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

  1. 1.Foot Sprain

    The bones of the ankle and foot are held together by ligaments, which are bands of tough tissue. A sprain is a type of injury where one or more of the ligaments is stretched too far, causing tiny fibers in the ligaments to tear. In most cases, the ligament does not tear completely.

    An uncomplicated foot sprain should improve in 3-6 weeks.

    Rarity:
    Common
    Top Symptoms:
    pain in one foot, foot injury, limping, warm red foot swelling, swelling of one foot
    Symptoms that always occur with foot sprain:
    pain in one foot, foot injury
    Symptoms that never occur with foot sprain:
    recent cutting accident
    Urgency:
    Phone call or in-person visit
  2. 2.Skin Infection of the Foot

    Cellulitis is a common and possibly dangerous skin infection if left untreated. It is typically caused by bacteria living on the skin getting into the skin itself.

    5 days with treatment

    Rarity:
    Uncommon
    Top Symptoms:
    fever, foot pain, foot redness, warm red foot swelling, swollen ankle
    Symptoms that always occur with skin infection of the foot:
    foot redness, foot pain, area of skin redness
    Urgency:
    Primary care doctor
  3. 3.Broken Foot (Navicular Bone Fracture)

    The navicular is one of the bones of the foot.

    6 weeks of no weight bearing, and 6 more weeks until complete recovery.

    Rarity:
    Rare
    Top Symptoms:
    difficulty walking, constant foot pain, pain in one foot, recent ankle injury, foot pain from overuse
    Symptoms that always occur with broken foot (navicular bone fracture):
    pain in one foot, constant foot pain, recent ankle injury
    Urgency:
    In-person visit
  4. 4.Broken Ankle

    An ankle fracture is a break in 1 or more ankle bones.

    Depending on the type of fracture, recovery may take up to a year.

    Rarity:
    Common
    Top Symptoms:
    difficulty walking, constant ankle pain, swollen ankle, pain in one ankle, ankle pain from an injury
    Symptoms that always occur with broken ankle:
    pain in one ankle, swollen ankle, ankle pain from an injury, constant ankle pain
    Urgency:
    Hospital emergency room
  5. 5.Ankle Arthritis

    Arthritis of the ankle is a degenerative joint disorder occurring in the ankle. It presents with joint pain and stiffness that is typically worse with activity.

    Arthritis is considered irreversible, but symptoms can be effectively managed with treatment. Newer, more effective treatment options have become available in recent years.

    Rarity:
    Uncommon
    Top Symptoms:
    swollen ankle, swollen foot, joint stiffness, pain in one ankle, ankle stiffness
    Urgency:
    Self-treatment

    Swelling of One Foot Checker

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  6. 6.Gout

    Gout is a form of arthritis that causes sudden pain, stiffness, and swelling in a joint. The big toe is often affected.

    With proper medical attention, relief is possible within the first 24 hours of treatment.

    Rarity:
    Common
    Top Symptoms:
    swollen toes
    Urgency:
    Primary care doctor
  7. 7.Septic Arthritis

    Septic arthritis is an intensely painful joint infection.

    12-14 days with treatment

    Rarity:
    Rare
    Top Symptoms:
    fever, spontaneous shoulder pain, chills, knee pain, joint pain
    Urgency:
    Hospital emergency room
  8. 8.Rheumatoid Arthritis

    Rheumatoid arthritis (RA) is a form of arthritis that causes pain, swelling, stiffness and loss of function in your joints. It can affect any joint but is common in the wrist and fingers. RA is an autoimmune disorder, meaning that it is caused by the immune system incorrectly attacking the joints when it shouldn't.

    RA is a chronic disease which requires lifelong control.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, depressed mood, joint pain, muscle aches, daytime sleepiness
    Urgency:
    Primary care doctor
  9. 9.Deep Vein Thrombosis

    Deep vein thrombosis (DVT) is a blood clot that forms in a vein deep in the body. Most deep vein clots occur in the lower leg or thigh.

    Curable with medication or surgery but may recur.

    Rarity:
    Uncommon
    Top Symptoms:
    fever, thigh pain, upper leg swelling, calf pain, butt pain
    Urgency:
    Hospital emergency room
  10. 10.Nail Infection (Paronychia)

    Paronychia is an infection of the nail folds, typically caused by Staph. Aureus. Or a fungus.

    Great prognosis. Recovery in the next two weeks

    Rarity:
    Rare
    Top Symptoms:
    spontaneous finger pain, fingernail pain, fingernail swelling
    Urgency:
    Phone call or in-person visit

Questions Your Doctor May Ask About Swelling of One Foot

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

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

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Swelling of One Foot Symptom Checker Statistics

  • People who have experienced swelling of one foot have also experienced:

    • 10% Pain in One Foot
    • 4% Swollen Ankle
    • 4% Pain in the Top of the Foot
  • People who have experienced swelling of one foot had symptoms persist for:

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

    • 45% Broken Foot (Navicular Bone Fracture)
    • 36% Skin Infection of the Foot
    • 18% Foot Sprain
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

A.I. Health Assistant

Take a quiz to find out why you’re having swelling of one foot

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