Read below about swelling of both thighs, including causes and common questions. Or get a personalized analysis of your swelling of both thighs 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 Both Thighs

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

  1. 1.Congestive Heart Failure

    Congestive heart failure (CHF) is a form of heart failure that causes fluid to back up into the lungs and other tissue. Symptoms include trouble breathing and edema (swelling of ankles, hands)

    This is a lifelong condition but symptoms can be managed.

    Rarity:
    Uncommon
    Top Symptoms:
    cough, fatigue, shortness of breath, cough at night, shortness of breath on exertion
    Urgency:
    Primary care doctor
  2. 2.Atrial Fibrillation

    An arrhythmia is a problem with the speed or rhythm of the heartbeat. The atria comprise two out of the four chambers of the heart. When their beat is disturbed, symptoms such as a racing heart, chest pain, breathlessness, and dizziness may occur.

    More than 1/2 of people with short term atrial fibrillation get their normal heart rhythm back in less than 2 days without any treatment.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, chest pain, shortness of breath, racing heart beat, lightheadedness
    Urgency:
    Emergency medical service
  3. 3.Cushing Syndrome

    Cushing Syndrome is a hormonal disorder. The cause is long-term exposure to too much cortisol, a hormone that the adrenal gland makes. Sometimes, taking synthetic hormone medicine like corticosteroids to treat an inflammatory disease leads to Cushing's syndrome.

    Recovery depends on treatment method

    Rarity:
    Rare
    Top Symptoms:
    fatigue, headache, depressed mood, weight gain, back pain
    Urgency:
    Primary care doctor
  4. 4.Stress - Induced Cardiomyopathy

    In this recently recognized heart problem, extreme emotional stress can lead to severe (but often short-term) heart muscle failure. Broken heart syndrome is also called stress-induced cardiomyopathy.

    Most patients make full recovery within one to two months.

    Rarity:
    Rare
    Top Symptoms:
    shortness of breath, racing heart beat, muscle aches, deep chest pain, behind the breast bone, excessive sweating
    Urgency:
    Primary care doctor
  5. 5.Restrictive Cardiomyopathy

    Restrictive cardiomyopathy refers to a set of changes in how the heart muscle functions. These changes cause the heart to fill poorly (more common) or squeeze poorly (less common). Sometimes, both problems are present.

    Indefinite

    Rarity:
    Ultra rare
    Top Symptoms:
    fatigue, shortness of breath, chest pain, racing heart beat, shortness of breath when lying down
    Urgency:
    Hospital emergency room

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  6. 6.Third Degree Atrioventricular Nodal Block

    3rd degree atrioventricular nodal block is the most severe form of conduction blockage.

    Indefinite

    Rarity:
    Rare
    Top Symptoms:
    shortness of breath, racing heart beat, tight, heavy, squeezing chest pain, lightheadedness, deep chest pain, behind the breast bone
    Symptoms that never occur with third degree atrioventricular nodal block:
    swelling of one leg, swelling of one foot, swollen ankle
    Urgency:
    Primary care doctor
  7. 7.Right Heart Failure (Cor Pulmonale)

    Cor pulmonale is known as right heart failure and is often a long-term consequence of high blood pressure or COPD.

    Treatment depends on severity of illness.

    Rarity:
    Common
    Top Symptoms:
    fatigue, chest pain, shortness of breath on exertion, wheezing, decreased exercise tolerance
    Symptoms that never occur with right heart failure (cor pulmonale):
    severe chest pain
    Urgency:
    Hospital emergency room
  8. 8.Allergic Reaction (Not Life - Threatening)

    When the body encounters a harmful substance, it responds with inflammation and swelling that can be protective. In many individuals, the body responds this way to substances that are not normally harmful, like foods or pollen. This is the basis of allergy, or Type 1 Hypersensitivity.

    Symptoms should resolve in a matter of hours.

    Rarity:
    Common
    Top Symptoms:
    swollen face, swollen lips, lip numbness, hives, red swollen bumps or patches with a pale center, lip redness
    Symptoms that never occur with allergic reaction (not life-threatening):
    shortness of breath, throat itching
    Urgency:
    Primary care doctor
  9. 9.Nephrotic Syndrome

    Nephrotic syndrome is caused by different disorders that damage the kidneys. This damage leads to the release of too much protein in the urine, causing the body to swell.

    Varies by cause of Nephrotic Syndrome

    Rarity:
    Rare
    Top Symptoms:
    fatigue, loss of appetite, shortness of breath, weight gain, bilateral leg swelling
    Symptoms that never occur with nephrotic syndrome:
    cut on the foot, recent cut or wound, swollen ankle, swelling of one leg
    Urgency:
    Primary care doctor
  10. 10.Hives

    Urticaria are itchy, temporary rashes that rarely become swollen. It is often referred to as "hives."

    1-2 days

    Rarity:
    Common
    Top Symptoms:
    red or pink, rough patch of skin, itchy rash, curved rash, insect bite or sting, hives, red swollen bumps or patches with a pale center
    Symptoms that always occur with hives:
    red or pink, rough patch of skin
    Urgency:
    Self-treatment

Questions Your Doctor May Ask About Swelling of Both Thighs

  • Q.Do you have a rash?
  • Q.Any fever today or during the last week?
  • Q.Have you ever been diagnosed with diabetes?
  • Q.Do you have high blood pressure?

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

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Swelling of Both Thighs Symptom Checker Statistics

  • People who have experienced swelling of both thighs have also experienced:

    • 4% Swelling of Both Feet
    • 3% Muscle Aches
    • 2% Swollen Ankle
  • People who have experienced swelling of both thighs had symptoms persist for:

    • 30% Less Than a Week
    • 28% Over a Month
    • 22% Less Than a Day
  • People who have experienced swelling of both thighs were most often matched with:

    • 50% Atrial Fibrillation
    • 28% Congestive Heart Failure
    • 21% Cushing 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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