Read below about thigh weakness, including causes and common questions. Or get a personalized analysis of your thigh weakness 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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3 Potential Thigh Weakness 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.Repetitive Strain Injury of the Quadriceps

    Repetitive strain injury of the upper leg is caused by consistent repetitive use.

    Resolves with rest

    Rarity:
    Uncommon
    Top Symptoms:
    upper leg numbness, thigh weakness, thigh pain from overuse
    Symptoms that always occur with repetitive strain injury of the quadriceps:
    thigh pain from overuse
    Symptoms that never occur with repetitive strain injury of the quadriceps:
    upper leg injury, severe upper leg pain
    Urgency:
    Self-treatment

    Thigh Weakness Checker

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  2. 2.Repetitive Strain Injury of the Hamstring

    Repetitive strain injury of the upper leg is caused by consistent repetitive use.

    Resolves with rest

    Rarity:
    Uncommon
    Top Symptoms:
    upper leg numbness, thigh weakness, hamstring pain from overuse
    Symptoms that always occur with repetitive strain injury of the hamstring:
    hamstring pain from overuse
    Symptoms that never occur with repetitive strain injury of the hamstring:
    upper leg injury, severe upper leg pain
    Urgency:
    Self-treatment
  3. 3.Vertebral Osteomyelitis

    Infection of the spinal bones (Vertebral Osteomyelitis) is caused by the spread of bacteria through the blood from another body part that lands in the spine. It's typically caused by bugs named Staph. Aureus (40-50% of the time), streptococci (12%), e.coli (9%), and Pseudomonas aeruginosa (6%).

    6 weeks of antibiotics typically clears things up

    Rarity:
    Rare
    Top Symptoms:
    upper back pain, spontaneous neck or back pain, fever, foot numbness, upper leg numbness
    Urgency:
    Hospital emergency room

Questions Your Doctor May Ask About Thigh Weakness

  • Q.Any fever today or during the last week?
  • Q.Do you currently smoke?
  • Q.Which of the following describes your physical fitness:
  • Q.What is your body mass?

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

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Thigh Weakness Symptom Checker Statistics

  • People who have experienced thigh weakness have also experienced:

    • 13% Lower Leg Weakness
    • 10% Hip Weakness
    • 7% Foot Weakness
  • People who have experienced thigh weakness had symptoms persist for:

    • 43% Over a Month
    • 19% Less Than a Day
    • 18% Less Than a Week
  • People who have experienced thigh weakness were most often matched with:

    • 11% Vertebral Osteomyelitis
  • 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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