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Learn about your fainting after losing muscle strength, including causes and common questions. Or get a personalized analysis of your fainting after losing muscle strength 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.

Fainting After Losing Muscle Strength Checker

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Your Fainting After Losing Muscle Strength May Also be Known as:
Lost strength and passed out
Lost strength then fainted
Went weak and fainted
Went weak and passed out

Top 10 Fainting After Losing Muscle Strength Causes

  1. 1.Atrial Flutter

    Atrial fibrillation or flutter is a common type of abnormal heartbeat. The heart rhythm is fast and irregular in this condition.

    You should visit your primary care physician within the next 24 hours. Your doctor will examine your heartbeat with an ECG (electrocardiogram) to confirm the diagnosis. Prescription medication is available to return the heart rhythm back to normal.

    Rarity:
    Common
    Top Symptoms:
    shortness of breath, racing heart beat, lightheadedness, deep chest pain, behind the breast bone, shortness of breath on exertion
    Urgency:
    In-person visit
  2. 2.Long Qt Syndrome

    Long QT syndrome (LQTS) is a disorder of the heart's electrical activity. It can cause sudden, uncontrollable, dangerous arrhythmias in response to exercise or stress. Arrhythmias are problems with the rate or rhythm of the heartbeat.

    You should visit your primary care physician, who will do an ECG to measure the electrical rhythym of your heart, which may identify the diagnosis. Treatment involves stopping meds that could've caused it or a defibrillator.

    Rarity:
    Common
    Top Symptoms:
    racing heart beat, brief fainting episode, not having protected the body during the fall, feeling completely normal before fainting
    Urgency:
    Primary care doctor
  3. 3.Influenza

    Influenza, or Flu, is an infection of the airway caused by the flu virus, which passes through the air and enters the body through the nose or mouth. The symptoms are similar to those of a cold, but the flu is usually more serious.

    If your flu-like symptoms are existing for less than 48 hours, it might be helpful to seek care by telephone or in a walk-in-clinic to get a course of oseltamivir (Tamiflu). Most people will get better on their own by drinking lots of fluids and taking an over-the-counter medication such as acetominophen (Tylenol) to help with aches or fever.

    Rarity:
    Common
    Top Symptoms:
    fatigue, headache, loss of appetite, cough, muscle aches
    Symptoms that never occur with influenza:
    headache resulting from a head injury
    Urgency:
    Phone call or in-person visit
  4. 4.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.

    Call 911 immediately for an ambulance. The symptoms of atrial fibrillation can be hard to distinguish from a heart attack, so better be safe.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, shortness of breath, chest pain, racing heart beat, lightheadedness
    Urgency:
    Emergency medical service
  5. 5.Intracerebral Hemorrhage

    Intracerebral hemorrhage occurs when a diseased blood vessel within the brain bursts, allowing blood to leak inside the brain. (The name means within the cerebrum or brain).

    Call 911 immediately for an ambulance now. This is a life-threatening medical condition which needs to be treated in an intensive care unit (ICU). Blood pressure medication will be administered, as well as medications to prevent seizures and blood clots. Emergency surgery may be performed to decrease the size of the bleed and prevent pressure from building up in the brain and destroying tissue.

    Rarity:
    Rare
    Top Symptoms:
    nausea, new headache, severe headache, vomiting, stiff neck
    Urgency:
    Emergency medical service

    Fainting After Losing Muscle Strength Checker

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  6. 6.Chronic Carbon Monoxide Poisoning

    Chronic carbon monoxide poisoning is the slow but persistent exposure to carbon dioxide, typically where one lives or works. This can cause chronic headache, nausea, vomiting, etc.

    You should visit your primary care physician within the next 48 hours, who can make a diagnosis based on clinical suspicion and a blood test. Treatment would be to move away from the source of the carbon monoxide!

    Rarity:
    Rare
    Top Symptoms:
    fatigue, headache, irritability, nausea, difficulty concentrating
    Urgency:
    Primary care doctor
  7. 7.Mononucleosis Infection

    EBV Mononucleosis is a clinical syndrome characterized by fever, sore throat, and swollen lymph nodes.

    You should visit your primary care physician within the next 24 hours. Diagnosis is confirmed by looking for antibodies against EBV. Treatment involves supportive care (hydration, antipyretics, and analgesics, such as acetaminophen and ibuprofen). Aspirin should not be given to children because of the possibility of Reye syndrome. It is also recommended that you do not do any strenuous physical activity and contact sports in the initial 3 to 4 weeks of illness due to the potential for splenic rupture.

    Rarity:
    Common
    Top Symptoms:
    fatigue, headache, loss of appetite, abdominal pain (stomach ache), cough
    Symptoms that never occur with mononucleosis infection:
    rectal bleeding
    Urgency:
    Primary care doctor
  8. 8.Low Blood Sodium

    Hyponatremia is a deficiency in sodium. Sodium is one of the most important nutrients in the body, needed for nerves to conduct signals, muscles to contract, and blood pressure to be maintained at safe levels, etc. A deficiency in sodium can cause severe, widespread symptoms.

    You need to seek care immediately. A walk-in clinic will likely be able to help bring your sodium levels back up to normal levels safely.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, nausea, headache, abdominal pain (stomach ache), loss of appetite
    Urgency:
    In-person visit
  9. 9.Hyperventiliation Syndrome

    In hyperventilation syndrome, one can experience shortness of breath and often a person breaths fast and heavily. There is usually no physical problem causing these symptoms, and symptoms are often caused by anxiety, stress or emotions. Next to shortness of breath, one can experience symptoms of chest pain, palpitations or tingling in hands, feet and face. These symptoms occur commonly as attacks.

    You should go see your primary care doctor, who can diagnose you by interview and physical exam during an attack of hyperventilation. Most people get better with treatment. Treatment of an acute attack often includes reassuring and breathing instructions and sometimes taking a tranquilizer. Treatment to avoid recurrent episodes may include behavioural therapy, physiotherapy with breathing exercises and medication.

    Rarity:
    Common
    Top Symptoms:
    anxiety, dizziness, shortness of breath, racing heart beat, chest pain
    Symptoms that always occur with hyperventiliation syndrome:
    rapid, deep breaths
    Symptoms that never occur with hyperventiliation syndrome:
    shortness of breath after a few stairs
    Urgency:
    Primary care doctor
  10. 10.Aspiration Pneumonia

    Aspiration Pneumonia occurs when food, saliva, liquids, or vomit is breathed into the lungs or airways leading to the lungs, causing an infection.

    Going to your doctor is important, since diagnosing Aspiration Pneumonia requires a chest x-ray and a blood test. Given the possibility of the infection worsening, starting antibiotic treatment as soon as possible is really key.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, cough, shortness of breath, fever, coughing up green or yellow phlegm
    Urgency:
    Hospital emergency room

Questions Your Doctor May Ask About Fainting After Losing Muscle Strength

  • Q.Have you experienced any nausea?
  • Q.If this interview is about someone else, or "myself" is selected by accident, it is very important for us not to miss this question: has the person regained consciousness?
  • Q.How long were you unconscious?
  • Q.Have you ever been diagnosed with diabetes?

If you've answered yes to one or more of these questions, check our fainting after losing muscle strength symptom checker.

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Fainting After Losing Muscle Strength Symptom Checker Statistics

  • People who have experienced fainting after losing muscle strength have also experienced:

    • 7% Vertigo (Extreme Dizziness)
    • 5% Headache
    • 5% Fatigue
  • People who have experienced fainting after losing muscle strength were most often matched with:

    • 18% Atrial Flutter
    • 18% Long Qt Syndrome
    • 12% Influenza
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

Fainting After Losing Muscle Strength Checker

Take a quiz to find out why you’re having fainting after losing muscle strength.

Take a quiz