6 causes of hand twitching

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Posted by Master, Doctor Mai Vien Phuong - Department of Examination & Internal Medicine - Vinmec Central Park International General Hospital
Hand twitches are common, can last only a few moments, but can last longer. So what causes hand twitching?

1. Hand twitch

Involuntary muscle spasms or twitches can happen at any time and can happen anywhere on the body, including the hands. Although these contractions usually last only a few moments, they can last for several minutes or hours.
Symptoms of hand twitches include:
Uncontrolled movements Pain Burning or tingling in the fingers Numbness in the hands Convulsions are common and usually have no cause for concern . However, seizures can also be a symptom of a medical condition.

2. Causes of hand twitch

Caffeine Using too much caffeine can cause convulsions in the body, including in the hands. Caffeine contains a stimulant that can cause muscle contractions.
If you notice your hands start to twitch after having your morning coffee or an energy drink, consider switching to other drinks that don't contain caffeine
Dehydration Dehydration affects function muscle. Not drinking enough water can cause your muscles to cramp and can also cause muscle spasms and incontinence. If you are dehydrated, you may also experience symptoms such as headache, dry skin, bad breath, chills, fatigue,...
Muscle cramps Muscle cramps are often caused by overactivity and exertion . This can cause your muscles to tense or contract, leading to seizures and sometimes pain. Muscle cramps are common in the hands, hamstrings, and quadriceps.
Carpal tunnel syndrome
The symptoms of carpal tunnel syndrome will get worse over time without proper treatment. If diagnosed early, doctors will often recommend non-surgical options such as the use of a splint or medication. In more severe cases, surgery may be necessary.
Dystonia syndrome Dystonia is a condition that causes repetitive and involuntary muscle contractions. It can affect the entire body or just a part, such as the hands. Contractions can range from mild to severe, they can cause painful complications, fatigue, difficulty swallowing, difficulty speaking, physical disability,...
There is no cure for dystonia , but medical treatment and prescription drugs can improve symptoms and quality of life.
Huntington's disease Huntington's disease causes progressive degeneration of nerve cells in your brain. It can cause movement and cognitive disorders. Common symptoms of huntington's disease include
Muscle twitching Involuntary jerks or convulsions Poor balance Difficulty speaking Limited flexibility Learning disabilities Currently, Huntington's disease has no cure. However, prescribed therapy and medical treatment can help improve quality of life.

3. When to see a doctor?

If your hand twitching worsens, accompanied by the following symptoms, see a doctor immediately:
Weakness of the hand Numbness or loss of sensation Persistent pain Swelling of the joint Swelling convulsions as wide as your arm

4. Causes of Thumb Tremor

Thumb tremor is usually a temporary response to stress or muscle twitching, and is usually not a cause for concern.
However, as thumb tremor is a medical condition, it is often accompanied by other symptoms. Here are the possible causes of thumb tremor:
Heredity If one of your family members has a genetic mutation that causes essential tremor, you are more likely to develop it after that.
Repetitive motion injuries
Repeating the same movement over and over - like playing video games or typing on a keyboard - can damage the muscles, nerves, tendons and ligaments in your hand.
Stress
Run can be a sign that you are under a lot of stress. Strong emotions can make your body tense or feel restless.
Fatigue
Lack of sleep not only causes fatigue and irritability, lack of sleep can also lead to hand tremors. Sleep has a direct effect on your nervous system.
Caffeine and other stimulants
Too much caffeine can also make you shiver. In particular, tremor can also be a side effect of the stimulant drug known as amphetamine. This medication is used to treat conditions such as attention deficit hyperactivity disorder and to help with weight loss.
Medicines Trembling hands or other parts of the body can be a side effect of the medicine you take. Certain medications cause tremors by acting on your nervous system and muscles, including:
Antipsychotic drugs Asthma bronchodilators Antidepressants Bipolar disorder drugs Hand tremors are a similar phenomenon. are common and usually resolve on their own without medical treatment. However, ongoing seizures and pain could be a sign of a more serious problem. If you feel your symptoms are getting worse, see another doctor right away.
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References :
Involuntary movements. (n.d.). stanfordmedicine25.stanford.edu/the25/im.html Jennings CD, et al. (2016). Carpal tunnel syndrome. orthoinfo.aaos.org/en/diseases--conditions/carpal-tunnel-syndrome/