Muscle Twitches

Muscle twitches, muscle spasms and cramps and restless legs seem to be common symptoms in FM – one US doctor reported muscle twitching in 80% of her FM patients. These symptoms can be painful and very distressing, and interfere with tasks in everyday life. They can also interfere with sleep, which is already a problem for many people with FM.

Muscle Twitches

Muscle twitches are small contractions of single muscles and may be linked to the tender points in FM. Depending on which muscle is affected, muscle twitching in FM may be visible to other people, or may just be an odd and rhythmic sensation. The muscle twitches can simply be irritating, or can actually affect the ability to move, drive or hold and carry things. Muscle twitches at night can stop people sleeping.

Muscle twitches may be related to muscle overuse, strain or injury, and may be worsened by stress, anxiety or caffeine. Some drugs may cause muscle twitching as a side effect. Stretching and massaging the muscle that is twitching can help, and gentle exercise may lessen or stop it happening.

Drug treatments for muscle twitching in FM include anti-inflammatory and pain killing drugs as tablets, creams or patches, as well as muscle relaxant drugs. Magnesium supplements may also help, but consult a doctor or pharmacist before combining over the counter drugs or supplements with any existing medication, and don’t exceed the stated dose.

Restless Legs Syndrome

Restless legs syndrome is a crawling or tickling sensation under the skin and in the muscles of the legs, and is associated with an almost irresistible urge to move the legs. It is more common in the evening and when tired, though in severe cases it can happen during the day, and may also affect the arms. Like muscle twitches, restless legs syndrome can affect sleep. It appears to have a genetic element, and is more common in people with FM.

Getting up and moving about can help the symptoms of restless legs syndrome, as can stretching out the leg muscles. Iron supplements may help (but watch out as some people find they have gastric side effects). In severe cases of restless legs syndrome, drug treatments can help, including some drugs used in Parkinson’s disease and epilepsy. Exercise may help prevent restless legs syndrome.

Muscle Spasms and Cramps

Some people with FM find that their muscles will go into spasm, or they get cramps (when a muscle painfully contracts), especially in the leg. This can be very painful.

Gently stretching and massaging the muscle may help, and using heat (perhaps a hot shower or bath), ice or a TENS (transcutaneous electrical nerve stimulation) machine can help soothe and ease the cramped and painful muscle, as can muscle rubs. It’s a good idea to avoid getting dehydrated, as this can make cramps more likely.


Reblogged from by Suzanne Elvidge BSc (hons), MSc


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  2. Thank you for this info..I was wondering about it last night.

  3. I would be good if we could have a chat room on this site so we can meet each other and have a moan and we understand each other

  4. I find that cold weather and/or being dehydrated cause more cramps. So I drink more water and put on oversized heavy cotton socks. They have to be cotton as I have excessive sweating also.

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