Muscle Twitching: Causes, Symptoms & Diagnosis
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What causes muscle twitch? 15 possible conditions

Muscle twitching, also known as muscle fasciculation, is marked by small muscle contractions in the body. Your muscles are composed of fibers, tissues, and nerves. When a nerve is stimulated or damaged, it may cause your muscle fibers to twitch. Many... Read more

See a list of possible causes in order from the most common to the least.

1

Seizures

This condition is considered a medical emergency. Urgent care may be required.

Seizures are changes in the brain's electrical activity that cause violent shaking and loss of bodily control. Bruises can result from injuries sustained during a seizure.

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2

Peripheral Neuropathy

Your peripheral nervous system connects the nerves from the brain and spinal cord (central nervous system) to the rest of the body, including the arms, hands, feet, legs, internal organs, mouth and face. The job o...

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3

Hepatorenal Syndrome

Hepatorenal syndrome (HRS) is a type of progressive kidney failure. As the kidneys stop functioning, toxins begin to build up in the body. Eventually, this leads to liver failure. It is only seen in people with sever...

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4

Tourette Syndrome

Tourette (or Tourette's) syndrome is a neurological disorder that causes repeated, involuntary physical tics and vocal outbursts. It is the most severe of the tic syndromes. Tics are quasi-voluntary muscles spasms. The...

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5

Caffeine Overdose

The recommended amount of caffeine is usually 400 mg per day for healthy adults. Caffeine overdose may occur if you ingest more than this amount.

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6

Hypercalcemia

Hypercalcemia is a condition in which you have too much calcium in your blood. Serious cases could cause symptoms like abdominal pain, nausea, constipation, and weakness.

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7

Alkalosis

This condition is considered a medical emergency. Urgent care may be required.

The amount of acids and bases in your blood can be measured on a pH scale. It's important to maintain the correct balance of acids and bases.

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8

Medullary Cystic Disease

Medullary cystic kidney disease (MCKD) is a rare condition in which small, fluid-filled sacs called cysts form in the center of the kidneys. These cysts scar the kidneys and cause them to malfunction. In order t...

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9

Huntington's Disease

Huntington's disease is a hereditary condition in which your brain's nerve cells gradually break down. It can cause physical and psychological symptoms.

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10

Chronic Kidney Disease

Chronic kidney disease (CKD) is the progressive and irreversible destruction of the kidneys. The most common causes of CKD are high blood pressure and diabetes.

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11

End-Stage Kidney Disease

In end-stage kidney disease, also known as end-stage renal disease (ESRD), the kidneys are functioning below 10 percent of their normal function.

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12

Agoraphobia

Agoraphobia is an anxiety disorder that makes people very fearful of certain places and situations. Learn about agoraphobia causes, symptoms, and treatment.

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13

Calcium Deficiency Disease (Hypocalcemia)

A lack of calcium can lead to diseases like osteoporosis and calcium deficiency disease (hypocalcemia).

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14

Creutzfeldt-Jakob Disease and Mad Cow Disease

Creutzfeldt-Jakob disease is an infectious disease that causes the brain to degenerate. The hallmark of this brain disease is an inability to think clearly and take care of oneself.

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15

Glomerulonephritis

Glomerulonephritis is a serious illness that can be life-threatening and requires immediate treatment. The condition is sometimes called nephritis.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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