MyLupusTeam

What causes those sudden jolts that make your arm or leg jump or twitch?

These involuntary muscle movements are called myoclonus or myoclonic jerks. They can happen as isolated twitches or in patterns, and they range from quick movements to more persistent contractions.

For people with lupus, several factors can trigger these Show Full Answer

What causes those sudden jolts that make your arm or leg jump or twitch?

These involuntary muscle movements are called myoclonus or myoclonic jerks. They can happen as isolated twitches or in patterns, and they range from quick movements to more persistent contractions.

For people with lupus, several factors can trigger these jolts:

Lupus-Related Causes:
* Peripheral neuropathy - Lupus can affect the nerves that send signals to and from your muscles
* Lupus flares - Some members notice twitching increases before or during flares
* Lupus myositis - Inflammation affecting the muscles themselves

Medication Side Effects:
* Gabapentin (Neurontin)
* Escitalopram (Lexapro)
* Prednisone, especially at higher doses
* Hydroxychloroquine (Plaquenil) - less common but possible

Other Common Triggers:
* Low magnesium levels
* Dehydration
* Stress or lack of sleep
* Strong emotions or anxiety
* Low blood sugar
* Too much caffeine

Many MyLupusTeam members describe these as happening more when relaxed or trying to sleep. One member shared that their body starts jerking when relaxed, which can be disruptive to rest.

If your twitching is frequent or bothersome, tracking when it happens and discussing it with your doctor can help identify the cause and find the right treatment for you.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

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