Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp. Muscle spasms are common and typically don't signal a severe health ...

Laryngeal dystonia causes spasms in the voice box (larynx). It can affect voice quality, leading to hoarseness or interruptions in sound. It may become difficult for a person to speak. Oromandibular ...

You’re relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it’s a muscle in your arm, your leg, or your foot that begins to spasm – sometimes for a few seconds, sometimes for ...