Add Yahoo as a preferred source to see more of our stories on Google. Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp.

An esophageal spasm occurs when the esophageal muscles contract abnormally. This is often triggered by eating and can cause chest pain. Esophageal spasm symptoms can resemble those of a heart attack, ...

Medically reviewed by Khadeja Haye, MDKey TakeawaysEndometriosis can cause severe cramps that last throughout the ...

"Oh, my aching back!" Everyone has uttered these words at some point, in response to the sharp, sudden pain that comes with back spasms. This article will explore the causes of back spasms, their ...

Bladder spasms happen when the bladder muscle squeezes without warning. Common causes of bladder spasms include urinary tract infections and medications. Weight loss and pelvic exercises can help ...

A back spasm involves a sudden, involuntary muscle contraction that can be set off by something as routine as lifting a bag or sitting for too long. Muscle fatigue, dehydration, and nerve irritation ...

We've all been there before. Running along the basketball court or swimming across the pool, when, all of a sudden, we experience a sharp pain in our foot or leg. Muscle cramps are common, affect ...

A muscle spasm — also known as a charley horse, muscle cramp or twitch — is a sudden, involuntary movement in one or more muscles. Common causes include stress, exercise, or dehydration, but nerve ...

If painful leg cramps have woken you up in the middle of the night, the condition can be both scary and confusing. You may think it’s due to the position you’re sleeping in — but there’s more to know ...

Bladder spasms cause you to suddenly feel like you need to run to the bathroom and empty your bladder. They occur when the muscles in your bladder contract rapidly. Bladder spasms are common for ...

Add Yahoo as a preferred source to see more of our stories on Google. Q: What is stiff person syndrome with which Celine Dion was diagnosed? A: Stiff-person syndrome (SPS) is a rare neurological ...

Moderate twitching of your eyelids (also known as myokymia) is common and can be caused by several conditions. We will describe some of the conditions that could lead to myokymia, its symptoms, and ...