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Learn about your bowed knees, including causes and common questions. Or get a personalized analysis of your bowed knees 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.

Bowed Knees Checker

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Your Bowed Knees May Also be Known as:
Knees bent outwards
Knees curve out
Knees point outwards

Top 2 Bowed Knees Causes

  1. 1.Patellofemoral Pain Syndrome

    The kneecap (patella) is located directly in front of the thigh bone (femur), and should normally glide freely up and down. In this condition, called patellofemoral pain syndrome, the kneecap may rub against the thigh bone instead of gliding smoothly, causing damage and pain.

    You should visit your primary care physician. While you can safely take steps to treat this condition at home (avoiding strenuous use of the knee and taking over-the-counter pain medication), your doctor may coordinate care with a physical therapist to help manage your pain and function of the knee.

    Rarity:
    Common
    Top Symptoms:
    knee pain, pain in one knee, knee pain that gets worse when going up stairs, dull, achy knee pain, knee pain that gets worse when squatting
    Symptoms that always occur with patellofemoral pain syndrome:
    knee pain
    Urgency:
    Primary care doctor

    Bowed Knees Checker

    Take a quiz to find out why you’re having bowed knees.

    Take a quiz
  2. 2.Rickets

    Rickets causes soft, weak bones in children. It usually occurs when they do not get enough vitamin D, which helps growing bones absorb the minerals calcium and phosphorous.

    You should visit your primary care physician. Confirming this diagnosis requires X-rays and blood tests. Treatment involves supplementation with Vitamin D and calcium.

    Rarity:
    Rare
    Top Symptoms:
    muscle aches, irritability, fatigue, spontaneous bone pain, muscle spasms
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Bowed Knees

  • Q.Have you noticed any changes in the color of your urine recently?
  • Q.Have you been exposed to any kids that go to daycare?
  • Q.Is the knee pain affecting one or both knees?
  • Q.Do your symptoms get worse when you exercise?

If you've answered yes to one or more of these questions, check our bowed knees symptom checker.

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Bowed Knees Symptom Checker Statistics

  • People who have experienced bowed knees were most often matched with:

    • 50% Patellofemoral Pain Syndrome
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

Bowed Knees Checker

Take a quiz to find out why you’re having bowed knees.

Take a quiz