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Learn about your weakness in one side of the face, including causes and common questions. Or get a personalized analysis of your weakness in one side of the face from our A.I. Symptom Checker. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

Your Weakness in One Side of the Face May Also be Known as:
Can't move my left side of face
Can't move my one side of face
Can't move my right side of face
Cannot move one side of the face
Facial droop
Hard to move left side of face
Hard to move one side of face
Hard to move right side of face
Inability to move left side of face
Inability to move one side of face

Top 5 Weakness in One Side of the Face Causes

  1. 1.Bell's Palsy

    Bell's palsy (facial palsy) causes sudden weakness in facial muscles and makes half of the face appear to droop. The exact cause is unknown, but it's believed to be the result of swelling and inflammation of the nerve that controls the muscles on one side of your face or may be a reaction that occurs after a viral infection.

    You should visit your primary care physician to confirm the diagnosis and discuss treatment options. However, some cases do not require treatment as symptoms go away on their own.

    Rarity:
    Uncommon
    Top Symptoms:
    arm weakness, arm weakness, hearing loss, hearing loss in one ear, leg weakness
    Symptoms that always occur with bell's palsy:
    face weakness, weakness in one side of the face
    Urgency:
    Primary care doctor
  2. 2.Stroke or Tia (Transient Ischemic Attack)

    A stroke is a medical emergency. Strokes happen when blood flow to the brain is stopped.

    You needs to go to the hospital by ambulance or as soon as possible. The longer you wait, the fewer treatment options available and the worse the outcome.

    Rarity:
    Common
    Top Symptoms:
    dizziness, new headache, arm numbness, being severely ill, leg numbness
    Symptoms that never occur with stroke or tia (transient ischemic attack):
    bilateral weakness
    Urgency:
    Emergency medical service

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  3. 3.Stroke or Tia (Transient Ischemic Attack)

    A stroke is a medical emergency. Strokes happen when blood flow to the brain is stopped.

    Call 911 immediately. The longer you wait, the fewer treatment options available and the worse the outcome.

    Rarity:
    Common
    Top Symptoms:
    dizziness, new headache, being severely ill, stiff neck, arm weakness
    Symptoms that never occur with stroke or tia (transient ischemic attack):
    bilateral weakness
    Urgency:
    Emergency medical service
  4. 4.Stroke or Tia (Transient Ischemic Attack)

    A stroke is a medical emergency. Strokes happen when blood flow to the brain is stopped.

    You needs to go to the hospital by ambulance or as soon as possible. The longer you wait, the fewer treatment options available and the worse the outcome.

    Rarity:
    Rare
    Top Symptoms:
    being severely ill, new headache, stiff neck, dizziness, vision changes
    Symptoms that never occur with stroke or tia (transient ischemic attack):
    bilateral weakness
    Urgency:
    Emergency medical service
  5. 5.Chronic Ear Infection (Suppurative Otitis Media)

    Chronic Suppurative Otitis Media is persistent drainage from the middle ear due to a damaged membrane. It is considered chronic when it lasts for more than 6 weeks.

    You should visit your primary care physician, who may suggest topical therapy or systemic therapy. Topical antibiotics are the first line of treatment for most patients.

    Rarity:
    Rare
    Top Symptoms:
    hearing loss in one ear, ear canal pain, pus leaking from the ear
    Symptoms that always occur with chronic ear infection (suppurative otitis media):
    pus leaking from the ear
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Weakness in One Side of the Face

  • Q.How severe is your headache?
  • Q.Is your fatigue getting any better or worse?
  • Q.How long has your facial pain been going on?
  • Q.Is your facial pain constant or come-and-go?

If you've answered yes to one or more of these questions, check our weakness in one side of the face symptom checker.

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Weakness in One Side of the Face Symptom Checker Statistics

  • People who have experienced weakness in one side of the face have also experienced:

    • 4% Headache
    • 4% Pain on One Side of the Face
    • 3% Pain in One Shoulder
  • People who have experienced weakness in one side of the face had symptoms persist for:

    • 40% Less Than a Week
    • 40% Less Than a Day
    • 10% Over a Month

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