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Doctor insights on: Why Is My Left Lower Thigh Muscle Twitching For No Reason

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Why is my left lower thigh muscle twitching for no reason?

Why is my left lower thigh muscle twitching for no reason?

Fasiculation: This is most likely something called a fasiculation. It is an isolated muscle twitch in one area that lasts temporarily. A good example is an eye twitch. If the symptoms continue, worsen, or move to include other muscles you should see your doctor. It could be a sign of an underlying neurologic disorder. ...Read more

Muscle (Definition)

It is a body tissue that has the ability to contract. It shortens and generates force. It relaxes and returns to its original length. Muscles move joints, stabilize the body, move air and food through the organs, act as valves for bladder, bowel and other organs. They control movement of the eyes. They help us express ourselves by changing the shape of our ...Read more


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For the last few weeks i've had muscle twitching in my left thigh under my butt and stomach under my right rib cage. Im not sure why, any suggestions?

For the last few weeks i've had muscle twitching in my left thigh under my butt and stomach under my right rib cage. Im not sure why, any suggestions?

See your doctor: In the absence of other symptoms, these are likely benign "fasciculations". Causes include dehydration, recent overexertion, abnormal electrolyte levels such as sodium, potassium, or calcium levels, increased stress levels/caffeine intake, etc. If the twitching is frequent, affects different muscles every time, or is associated with other symptoms like muscle cramps or weakness, see your doctor. ...Read more

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Can you tell me if any of this was the reason, beyond being a "slow-twitch" muscle guy. Maybe my feet or my leg is off and doesn't hit the ground right?

Can you tell me if any of this was the reason, beyond being a "slow-twitch" muscle guy. Maybe my feet or my leg is off and doesn't hit the ground right?

Feet/Legs: Your question is not fully formed. If one limb is shorter than the other, or if you are having some sort of muscle spasm or undiagnosed musculoskeletal disease, you may feel one leg is 'off.' But I think you should have this checked out by a physician ...Read more

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I left strenght training 3 months ago. Now there are muscle twitching in my whole body, no weakness , no atrophy. But nowthere are pins & needle (leg)?

I left strenght training 3 months ago. Now there are muscle twitching in my whole body, no weakness , no atrophy. But nowthere are pins & needle (leg)?

One possibility..: Although rare, there is a neurologic condition, benign fasciculation syndrome characterized by twitches, cramping, tingling without weakness (that is a quick summary). See a neurologist or a physiatrist for evaluation to be sure. Whether it is this or something else, physical exam can reveal a lot. It could be a simple electrolyte imbalance. If neurologic, the nerves can be tested easily. ...Read more

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Small things keep me awake like a muscle twitch or a leg move and I have to take Benadryl (diphenhydramine) to go to sleep. What is the reason for this?

Small things keep me awake like a muscle twitch or a leg move and I have to take Benadryl (diphenhydramine) to go to sleep. What is the reason for this?

Prevention: Not being able to sleep may indicated sleep problems that can be life shortening or life threatening. A condition called restless leg syndrome may be at play. The only way to know if there are serious problems is with an overnight sleep test. I encourage you to seek help. ...Read more

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Injury to R foot 6m ago. Disuse atrophy to lower leg. Muscle twitching along inner aspect of foot, now up to inside of leg to calf. Suggestions?

Injury to R foot 6m ago.  Disuse atrophy to lower leg.  Muscle twitching along inner aspect of foot, now up to inside of leg to calf.  Suggestions?

If the disuse: Is secondary to cast you may have nerve damage from the cast. I would recommend physical therapy. You must get that foot and leg moving. You may want to get a baseline EMG/NCV study and of course follow up with your doctor. ...Read more

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Any ideas on what can muscle twitching and some jerking on leg and body , had on and off weakness and left hand leg ,no diagnosis just ideas?Plz 22/m/latino

Neurologist: There is no way to answer this on the internet. The list of potential causes is long and a neurologist evaluation with possible nerve conduction study may be in order to help find the cause. ...Read more

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Massive pain isolated in middle of back. Constant muscle twitching all over body primarily in legs. Weakness in left leg and arm. mri of neck normal?

Massive pain isolated in middle of back. Constant muscle twitching all over body primarily in legs. Weakness in left leg and arm.  mri of neck normal?

Back pain: There is concern for spinal cord damage in your thoracic spine and an MRI is needed of the thoracic spine immediately. Pressure on the spinal cord can cause irreversible damage including paralysis. Please go to the ER. ...Read more

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Is muscle twitching in the thighs normal after a workout? The twitching only lasts a few minutes.

Is muscle twitching in the thighs normal after a workout? The twitching only lasts a few minutes.

Yes especially if a: hard workout. Not to worry. This is most common if you really push it. They feel weak and quiver, but this is short lived. Keep well hydrated and take a day off between heavy workouts. ...Read more

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So my skin has been really dry, especially the thigh area. I've been skin crawling and biting sensations and frequent muscle twitching. What is this?

So my skin has been really dry, especially the thigh area. I've been skin crawling and biting sensations and frequent muscle twitching. What is this?

Eczema : Eczema, (think extra sensitive dry over reactive skin) gets much worse in the winter, especially areas that rub. The itch associated with this can seem to be an unnatural pain. This is because the nerves in the skin are in a sense wired differently. This may not be your problem and doesn't explain muscle twitching so have it checked out by your doctor. Use lots of moisturizers, avoid scratching. ...Read more

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What to do if the right leg muscle twitching/spasm?

What to do if the right leg muscle twitching/spasm?

Right leg spasm: Apply ice to your low back for thirty minutes while laying face up. if symptoms subside then you seem to have a right sided lumbo sacral radiculopathy. compression of a nerve root in your low back. Good luck ...Read more

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How can I stop the muscle twitching in my leg?

How can I stop the muscle twitching in my leg?

Muscle twitching: Your electrolytes should be drawn along with thyroid function tests. An MRI of your lumbar spine should be ordered to evaluate for possible disc disease, along with emg; MRI of your brain may also be warranted. ...Read more

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Correlation muscle twitching throughout body developed 6 years ago, followed by low extrem tightness months later to unilateral low leg swelling 2013?

Correlation muscle twitching throughout body developed 6 years ago, followed by low extrem tightness months later to unilateral low leg swelling 2013?

One leg swelling: does not tie into the previous two problems (atrophy could) Swelling can be caused by leaky vessels, tissue injury, deep vein thrombosis, clogged lymphatics, bleeding into the leg, etc. Twitching followed by tightness of muscles obviates a good neurological assessment. ...Read more

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Are muscle twitching, muscle atrophy, and leg weakness HIV ARS symptoms?

Are muscle twitching, muscle atrophy, and leg weakness HIV ARS symptoms?

Please spell out: ARS. I know what ARV therapy stands for, but not ARS. Anti-retroviral side effects? If you do mean ART, please specify which ARV's you're referring to. ...Read more

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Could there be a connection between the muscle twitching throughout my body and the unilateral leg swelling below the knee? Neurological?

Could there be a connection between the muscle twitching throughout my body and the unilateral leg swelling below the knee? Neurological?

Highly doubt it: You basically outlined the answer and its rationale in your question....Bravo....that's an artistic flare. Something focal vs. something generalized and not only that but we're talking about symptoms that little to nothing in common with each other.....twitching or possibly muscle fasciculations vs. swelling or edema. The question is what is the edema or swelling due to? Trauma, infectious dz? ...Read more

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Muscle twitching arms &legs under rib cage, even butt sometimes; don't hurt ; could this be stress? Cant keep l leg still either feel need to move it

Muscle twitching: Painless twitching can be benign, sometimes happens with magnesium deficiency or problems with calcium but there are certain types of twitching that warrant a good neurological exam to sort out. Many things can be blamed on stress but usually better to look for more worrisome answer before assuming that. ...Read more

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Leg, hip & groin pain for 2 mths, mostly at rest. muscle twitching , burning and tingling . all the way to foot on rt side. nothing helps.??

Leg, hip & groin pain for 2 mths, mostly at rest.  muscle twitching , burning and tingling . all the way to foot on rt side.  nothing helps.??

Sorry: A full review of your back , circulation , nerves needs to be conducted. Seeing your doctor who manages your testing will give you the most information. If pain is persistent and unrelenting seeing an Emergency Room doctor would be prudent. ...Read more

Dr. Donald McCarren
304 doctors shared insights

Muscle Twitching (Definition)

Muscle twitching is a symptom where a person has involuntary contractions of one ...Read more