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.

Add Yahoo as a preferred source to see more of our stories on Google. A muscle spasm, also known as a cramp, twitch or charley horse, is the sudden and involuntary forced contraction of a muscle.

Muscle cramps are the worst. Whether it's a side stitch during a run or a rogue "charley horse" that wakes you up at 3 in the morning, cramps can be incredibly painful and annoying. Cramps seem to ...

Poor sleep, difficulty moving and injuries from hitting something accidentally are just some of the challenges faced by suffers of often-painful involuntary muscle spasms. However, a new study ...

Stiff person syndrome (also known as SPS, Moersch-Woltman syndrome, and stiff man syndrome) is a very rare condition that can cause your muscles to become rigid or spasm. This is a progressive ...

Dear Dr. Roach: I’ve had muscle spasms and cramping in my lower legs and feet for quite some time. It almost always happens when I’m laying in bed and in the early morning hours. If I stand up and ...

Occasionally, people have a buzzing, tingling, or vibrating sensation in or around the vagina. The feeling may come and go, and it can range in intensity. It may be a mild irritation or a painful ...

It may start as something we’re all familiar with: tiny spasms around your eyelid. “When you’re tired or stressed and you get fluttering under your eye or eyelid and it’s really annoying,” says Sharon ...

Cyclobenzaprine is a generic oral tablet prescribed for muscle spasms in adults and certain children. It’s typically taken three times per day for up to 3 weeks. The dosage can vary based on certain ...

Jay N. Yepuri, MD, MS, FACG, is a board-certified gastroenterologist and member of the Digestive Health Associates of Texas Board of Directors and Executive Committee. Proctalgia fugax causes short ...

Cyclobenzaprine is a generic prescription drug used to treat muscle spasms. The drug comes as a tablet that you swallow. It’s usually taken three times per day. Cyclobenzaprine is used in adults and ...