Read below about blue legs/feet/toes, including causes and common questions. Or get a personalized analysis of your blue legs/feet/toes 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 Blue Legs / Feet / Toes

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced blue legs/feet/toes. This list does not constitute medical advice.

  1. 1.Raynaud Phenomenon

    Primary Raynaud phenomenon is a disorder of the blood vessels, usually in the fingers and toes, which causes the blood vessels to narrow when feeling cold or stressed. When this happens, blood can't get to the surface of the skin and the affected areas turn white and blue.

    This condition is considered irreversible, but it should not prevent you from living a healthy life.

    Rarity:
    Common
    Top Symptoms:
    distal numbness, cold toe, cold fingers, spontaneous toe pain, spontaneous finger pain
    Urgency:
    Self-treatment
  2. 2.Mild Frostbite of the Lower Leg

    Frostbite is tissue damage caused by exposure to the cold (at or below 32F or 0C). It is most commonly found in people doing leisurely activities like camping, hunting, or snow sports. It is also more likely in those who are intoxicated or have a mental disorder.

    It takes 1-3 months to assess the damage, at which time, surgery might be needed.

    Rarity:
    Rare
    Top Symptoms:
    foot pain, swollen foot, foot numbness, foot redness, limping
    Symptoms that always occur with mild frostbite of the lower leg:
    cold toe
    Urgency:
    Hospital emergency room

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  3. 3.Severe Ankle Injury Needing Imaging

    An ankle fracture is a break in 1 or more ankle bones. Having neurovascular compromise means that the fracture was so severe that blood flow to the toes and nerves of the foot was interrupted.

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

    Rarity:
    Ultra rare
    Top Symptoms:
    tingling foot, toe numbness, constant ankle pain, cold toe, pain in one ankle
    Symptoms that always occur with severe ankle injury needing imaging:
    bruised ankle, toe numbness, pain in one ankle, pain when pressing on the ankle bone, swollen ankle, ankle pain from an injury, constant ankle pain
    Urgency:
    Emergency medical service
  4. 4.Mild Hypothermia

    Hypothermia is defined as a body core temperature lower than 95 degrees Fahrenheit or 35 degrees Celcius.

    With treatment, symptoms resolve within days.

    Rarity:
    Ultra rare
    Top Symptoms:
    fatigue, coldness, pale skin, turning blue or purple from coldness, shivering
    Urgency:
    Hospital emergency room
  5. 5.Friedreich's Ataxia

    Friedreich's ataxia (also called FA or FRDA) is a rare inherited disease that causes nervous system damage and movement problems. It usually begins in childhood and leads to impaired muscle coordination (ataxia) that worsens over time.

    This genetic condition is considered irreversible, but there are many treatments and procedures that can effectively manage symptoms.

    Rarity:
    Rare
    Top Symptoms:
    sudden urgency to urinate, hearing loss, difficulty walking, constant walking difficulty, trouble swallowing
    Symptoms that always occur with friedreich's ataxia:
    constant walking difficulty
    Urgency:
    Primary care doctor

Blue Legs / Feet / Toes Symptom Checker Statistics

  • People who have experienced blue legs/feet/toes have also experienced:

    • 5% Turning Blue or Purple From Coldness
    • 3% Cold Feet
    • 2% Swollen Lower Leg
  • People who have experienced blue legs/feet/toes were most often matched with:

    • 50% Severe Ankle Injury Needing Imaging
    • 42% Mild Frostbite of the Lower Leg
    • 7% Raynaud Phenomenon
  • 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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