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Learn about your weakness in one hand, including causes and common questions. Or get a personalized analysis of your weakness in one hand 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 Hand May Also be Known as:
Left hand feels weak
Left hand is weak
One hand feels weak
One hand is weak
Right hand feels weak
Right hand is weak
Weakness in left hand
Weakness in right hand

Top 4 Weakness in One Hand Causes

  1. 1.Carpal Tunnel Syndrome

    The carpal tunnel is a narrow passageway filled with ligament and bones at the base of your hand. It contains nerve and tendons. Sometimes, thickening from irritated tendons or other swelling narrows the tunnel and causes the nerve to be compressed. Symptoms usually start gradually, and as they worsen, grasping objects can become difficult.

    Early diagnosis and treatment are important to prevent permanent nerve damage. Your doctor will diagnose carpal tunnel syndrome with a physical exam and special nerve tests. Treatment includes resting your hand, splints, pain and anti-inflammatory medicines. If symptoms do not improve with these less invasive treatments, your physician may recommend surgery.

    Rarity:
    Common
    Top Symptoms:
    spontaneous shoulder pain, hand weakness, wrist pain, pain in one hand, weakness in one hand
    Urgency:
    Primary care doctor
  2. 2.Ulnar Nerve Entrapment of Elbow

    Ulnar Nerve Entrapment of Elbow is the compression of the ulnar nerve, causing numbness and/or weakness in the hands.

    You should visit your primary care physician. Diagnosis is made by looking at your symptoms and confirmed with a test of the nerves. Treatment depends on severity. If no weakness, splinting and physical therapy. If weakness, surgery to decompress the nerve.

    Rarity:
    Common
    Top Symptoms:
    hand weakness, pain in one hand, numbness in one hand, weakness in one hand, pain in one elbow
    Urgency:
    Primary care doctor

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  3. 3.Tennis Elbow (Lateral Epicondylitis)

    Lateral epicondylitis (tennis elbow) is soreness or pain on the outside of the upper arm near the elbow.

    You can safely treat this condition on your own by resting your arm for 2-3 weeks and avoid the activity that causes your symptoms. You may also put ice on the outside of your elbow 2-3 times a day and take a pain reliever, such as ibuprofen (Advil), naproxen (Aleve) or aspirin, as needed. Contact your physician if home treatment does not relieve the pain.

    Rarity:
    Common
    Top Symptoms:
    elbow pain, pain in one elbow, hand weakness, pain in the thumb side of the elbow, elbow pain from overuse
    Symptoms that always occur with tennis elbow (lateral epicondylitis):
    elbow pain
    Urgency:
    Self-treatment
  4. 4.De Quervain's Tenosynovitis

    De Quervain's tenosynovitis is a painful condition affecting the tendons on the thumb side of the wrist. If you have de Quervain's tenosynovitis, you will feel pain upon turning your wrist, grasping anything, or making a fist.

    You should visit your primary care physician to confirm the diagnosis and discuss treatment options. You can also reduce pain and swelling with over-the-counter pain relievers, such as ibuprofen (Advil, Motrin), naproxen (Aleve).

    Rarity:
    Uncommon
    Top Symptoms:
    hand numbness, hand weakness, thumb pain, weakness in one hand, numbness in one hand
    Symptoms that always occur with de quervain's tenosynovitis:
    thumb pain
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Weakness in One Hand

  • Q.How weak does your hand feel?
  • Q.How long has your hand weakness been going on?
  • Q.What is your body mass?
  • Q.About your [wrist], do you notice:

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

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Weakness in One Hand Symptom Checker Statistics

  • People who have experienced weakness in one hand have also experienced:

    • 10% Pain in One Shoulder
    • 4% Rib Pain on One Side
    • 4% Pain in One Arm
  • People who have experienced weakness in one hand had symptoms persist for:

    • 38% Over a Month
    • 26% Less Than a Day
    • 18% Less Than a Week
  • People who have experienced weakness in one hand were most often matched with:

    • 50% Carpal Tunnel Syndrome
    • 30% Ulnar Nerve Entrapment of Elbow
    • 5% Tennis Elbow (Lateral Epicondylitis)

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