Read below about numbness on the outside of the thigh, including causes and common questions. Or get a personalized analysis of your numbness on the outside of the thigh 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 Numbness on the Outside of the Thigh

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced numbness on the outside of the thigh. This list does not constitute medical advice.

  1. 1.Piriformis Syndrome

    Piriformis syndrome is a condition when a muscle spanning the lower spine to the top of the thighbone presses upon the sciatic nerve, causing pain and numbness.

    1-2 months

    Rarity:
    Common
    Top Symptoms:
    pelvis pain, butt pain, pain when passing stools, leg numbness, hip pain
    Symptoms that never occur with piriformis syndrome:
    involuntary defecation, leaking urine
    Urgency:
    Primary care doctor
  2. 2.Cauda Equina Syndrome (Rapid - Onset)

    Although leg pain is common and usually goes away without surgery, cauda equina syndrome, a rare disorder affecting the bundle of nerve roots (cauda equina) at the lower (lumbar) end of the spinal cord, is a surgical emergency.

    Indefinite

    Rarity:
    Ultra rare
    Top Symptoms:
    lower back pain, back pain that shoots to the butt, back pain that shoots down the leg, leg weakness, thigh numbness
    Urgency:
    Emergency medical service

    Numbness on the Outside of the Thigh Checker

    Take a quiz to find out why you’re having numbness on the outside of the thigh.

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  3. 3.Compartment Syndrome

    Compartment syndrome is a serious condition that involves increased pressure in a muscle compartment. It can lead to muscle and nerve damage and problems with blood flow.

    Prognosis is highly variable after surgery and depends on how rapidly you are treated.

    Rarity:
    Rare
    Top Symptoms:
    arm numbness, hand numbness, foot numbness, pain in one leg, thigh numbness
    Urgency:
    Hospital emergency room
  4. 4.Thigh Nerve Issue (Meralgia Paresthetica)

    Meralgia paresthetica is a nerve condition that causes an area of skin over the upper outer thigh to feel numb, tingly, or painful. This is caused by compression of a nerve known as the lateral cutaneous nerve of the thigh as it passes underneath a tough fibrous ligament known as the inguinal ligament.

    Pain and pins-and-needles feeling resolves with time. Sometimes numbness and altered sensation remains for life.

    Rarity:
    Rare
    Top Symptoms:
    pain in the outside of the hip, pain in one thigh, thigh numbness, tingling upper leg, hip numbness
    Symptoms that never occur with thigh nerve issue (meralgia paresthetica):
    new headache, swollen hip, swollen hips, swelling of one hip, leg swelling, weakness of both legs, leg weakness, leaking urine
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Numbness on the Outside of the Thigh

  • Q.Where on your upper leg is the numbness?
  • Q.What is your body mass?
  • Q.Do you currently smoke?
  • Q.Were you lifting weights or straining yourself right before your symptoms started?

If you've answered yes to one or more of these questions, try our numbness on the outside of the thigh symptom checker to find out more.

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Numbness on the Outside of the Thigh Symptom Checker Statistics

  • People who have experienced numbness on the outside of the thigh have also experienced:

    • 10% Lower Back Pain
    • 4% Numbness in One Thigh
    • 4% Thigh Numbness
  • People who have experienced numbness on the outside of the thigh had symptoms persist for:

    • 36% Less Than a Day
    • 27% Over a Month
    • 20% Less Than a Week
  • People who have experienced numbness on the outside of the thigh were most often matched with:

    • 43% Cauda Equina Syndrome (Rapid - Onset)
    • 37% Compartment Syndrome
    • 18% Piriformis Syndrome
  • 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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