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Doctor insights on: Left Arm Muscle Twitching

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Why is my upper left arm muscle twitching all day?

Why is my upper left arm muscle twitching all day?

See a doctor: Occasional muscle twitching is normal. If your arm is twitching all day this needs to be evaluated by a physician. ...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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My upper left arm muscle below shoulder keeps twitching we're you can see it with your eyes, no pain but really weird?

My upper left arm muscle below shoulder keeps twitching we're you can see it with your eyes, no pain but really weird?

Twitching muscle: Muscle twitching is a nonspecific symptom. Typically due to some hyper-excitability of the muscle. Often these have no associated pain. Twitching can occur anywhere on the body or face. Common causes include stress, fatigue, caffeine or nicotine use, or electrolyte or hormonal imbalance. Something to bring to the attention of your doctor. Try to see if relaxing the arm helps. Good luck. ...Read more

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My bicep muscle on my left arm has been "twitching" for the past 48 hours, I don't have any weakness or numbness in the arm.?

My bicep muscle on my left arm has been "twitching" for the past 48 hours, I don't have any weakness or numbness in the arm.?

And the question is?: Is it ALS? -- No
Is it life threatening? - No
Is it going to stop? - They always do at some point
How can I make it go away? - Well, sometimes you can and sometimes you can't
Should I go to the ER? No, but if it's still there another day and it's bothering you set up an appointment to see your doctor. Some blood work, a quick physical exam and he may be able to give something to slow it down. ...Read more

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Having painful muscle spasm and twitching in left arm at and below the elbow down into the wrist.

Having painful muscle spasm and twitching in left arm at and below the elbow down into the wrist.

Could be...: Spasms with twitching do tend to suggest some injury or irritation of the nerves to the forearm. If you have any numbness, tingling or other change in sensation and weakness, that clarifies that nerve dysfunction involved. Would suggest you be evaluated if this is persisting as a good history and exam should sort this out for you. ...Read more

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Left side neck pain, left neck muscles extremely tight, pain/twitching/weakness/shakiness in left arm. A very sore spot around c5/c6. 34 female. Tips?

Left side neck pain, left neck muscles extremely tight, pain/twitching/weakness/shakiness in left arm. A very sore spot around c5/c6. 34 female. Tips?

You may have a: Pinched nerve in the neck. The weakness is concerning and requires a work up. See a Neurologist or start with your family doc. The twitching goes along with weakness when the nerves to a muscle are compromised (fasciculations).This requires prompt attention and could be from a herniated disc in the neck or another process that has compromised the nerves. Good luck ...Read more

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For a month now I have had muscle twitches in my upper left arm at random and you can see it occurring. I don't have the best diet, but am freaked ou?

For a month now I have had muscle twitches in my upper left arm at random and you can see it occurring. I don't have the best diet, but am freaked ou?

Localized: This may be a harmless irritable superficial nerve or muscle since it is so localized. Avoid alcohol, caffeine and nicotine. See your physician if it persists, spreads or involves other muscles and appropriate tests will be ordered to check for low magnesium or calcium or electrolyte imbalance. ...Read more

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Persistant twitch left arm for 11 days. No muscle weakness and no pain. Worse during daytime and better at nights. Between elbow and wrist.

Persistant twitch left arm for 11 days. No muscle weakness and no pain. Worse during daytime and better at nights. Between elbow and wrist.

Probably nothing bad: That doesn't sound like it is likely anything too serious but should probably be checked out anyway. There are some relatively rare neurological conditions that can result in muscle twitching without other initial symptoms. ...Read more

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What's the cause of muscle twitching very often during the day for the last 4 days in my left upper arm?

What's the cause of muscle twitching very often during the day for the last 4 days in my left upper arm?

It depends: Involuntary muscle twitching can be caused by electrolyte imbalances (low potassium, for example); overuse (fatigue), some neurological conditions (writer's cramp among other things) dehydration, and even some medications or discontinuation of medication. If it continues and is a concern see your pcp for a more thorough history and examination. ...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?

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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For 13 months I've had all over muscle twitching & left upper arm pain, last 2 mos I've had a lot of twitching/intermittent pain in ears & throat-help!

For 13 months I've had all over muscle twitching & left upper arm pain, last 2 mos I've had a lot of twitching/intermittent pain in ears & throat-help!

Evaluation: Please get checked by a neurologist quickly. Muscle twitching (or fasiculations) particularly if it is affecting the throat as well can be a significant neurologic problem such as als. ...Read more

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Muscle twitching all over body. It started in my upper right arm now its off and on all over my body for over 24 hours.

Can occur all over: Muscle twitching can be from dehydration or problems in electrolytes. Cramps can also occur with this. Muscles can be affected by changing levels of sodium and potassium as well as thyroid issues. Sustained twitches are unusual as most are transient in nature. Benign muscle twitches tend to occur all over the body. ...Read more

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25 yo man. Healthy. Just started to have muscle twitching in my right arm last 24hrs. Comes&goes. No pain. Why? What to do? Already got nerve issues.

25 yo man. Healthy. Just started to have muscle twitching in my right arm last 24hrs. Comes&goes. No pain. Why? What to do? Already got nerve issues.

Vitamin D/Calcium: Can be many reasons for this, but often due to inadequate calcium and vitamin d in your diet. Hydration can also play a role if you are working out and not replenshing your fluids and electrolytes. I would start with 600 mg of calcium and 3-4000 units of vitamin d a day and see if that helps. ...Read more

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22/m/190lbs I have muscle twitching on my face, neck, and sometimes arms shake, what can it be? And can I have dystonia? Is it deadly?

Muscle twitching: Is a sign of anxiety, and one that can cause a great deal of distress. Depending on the cause of your anxiety symptoms, your health care provider can recommend appropriate treatment. See your PCP for evaluation and possible referral. ...Read more

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I've had stabbing pain in the front of my upper arm for 5 days now, it started as a kink in my neck and I noticed muscle twitching several times a day.

See ortho: You should visit an orthopaedic surgeon. You need a full physical exam and some imaging to diagnose the problem. The brachial plexus exits the cervical spine and controls the muscles and sensation of our upper extremity. A herniated disc or bone spur pinched nerve produce symptoms in shoulder or shooting down the arm. Several other injuries or conditions can cause your pain. See MD right away. ...Read more

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I have a lot of muscle twitching and my arms feel like they are shaking inside and recently get really sharp pain in both my eyes. What could it be?

I have a lot of muscle twitching and my arms feel like they are shaking inside and recently get really sharp pain in both my eyes. What could it be?

Sleep deprivation?: The sharp eye pain could be dry eyes and doesn't sound related to the twitching. Lack of sleep, however, could aggravate a dry eye condition and cause muscle twitching. ...Read more

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Been having muscle twitching in arms, peitoral muscles, abdomen and legs for 2 or 4 years now, very frequent, happen several times a day for some seconds each. What should I do?

Been having muscle twitching in arms, peitoral muscles, abdomen and legs for 2 or 4 years now, very frequent, happen several times a day for some seconds each. What should I do?

Unusual problem: If this bothers you, go see a neurologist who can investigate for known causes and may be able to correct the problem if there is any electrolyte abnormaiity (Calcium deficiency etc). ...Read more

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For the past 4 months, I've been having muscle twitching in my arms and legs and knee collapsing. Does this need to be evaluated or can I let it be?

For the past 4 months, I've been having muscle twitching in my arms and legs and knee collapsing. Does this need to be evaluated or can I let it be?

Get it evaluated: That's my opinion. You could get some labs done and a good neuromuscular examination (maybe by a good neurologist) and get appropriate diagnostic testing. You could have a condition known as benign fasciculations but if your knees are collapsing then, you should go in for medical attention. ...Read more

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I am experiencing muscle twitching. In my right thigh and occasionally in both upper arms but leg is continuous, twitching has been going on 2 weeks.

I am experiencing muscle twitching. In my right thigh and occasionally in both upper arms but leg is continuous, twitching has been going on 2 weeks.

Go see a neurologist: Either you are low in magnesium, potassium or you need to get a EMG to r/o muscle pathology. And MRI of the brain - need to see a neurologist ...Read more

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Can poor circulation cause non painful muscle twitching (not spasms) in legs and arm?

Sometimes: If there is intermittent circulation going to a muscle, it is not going to be "fed" properly and the efficiency in the muscle function may be compromised. Twitching is plausible. ...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 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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How common is ALS before 30 with no family history? 28/white/male worried about ALS due to 2 weeks of muscle twitching, possible weakness in arms/legs

How common is ALS before 30 with no family history? 28/white/male worried about ALS due to 2 weeks of muscle twitching, possible weakness in arms/legs

Not common: Not common, certainly, but if you are concerned I would not hesitate to be fully evaluated by a neurologist. ...Read more

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I have noticed muscle twitching after taking Zoloft (sertraline) 200mg at night in my arms and legs I usualy go 2 sleep straight away but not yesterday is this ok?

My opinion: No: Zoloft (sertraline) can cause a creepy crawly feeling or twitching in the arms and/or legs. This is thought to be due to spillover into dopaminergic neurons especially at the higher doses. It can be calmed down with klonopin, but you need to review the pro's and con's of having abnormal muscle movements with your treating physician. ...Read more

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Can a pinched nerve cause visible and non-visible muscle twitching sometimes painful in the legs and feet? Twitching also in face, hands and arms.

Can a pinched nerve cause visible and non-visible muscle twitching sometimes painful in the legs and feet? Twitching also in face, hands and arms.

I would recommend: You see a doctor for evaluation. For one thing one nerve would not cause twitching in feet, hands, face and arms, that would have to be different nerves...... ...Read more

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Inv. Muscle twitching arond elbow. Coming off anxiety meds. Normal? When to worry? Also losing weight by exerc. Losing muscle? Doesn't hurt but uncomf

Not uncommon: May time coming off of meds like what you are on can cause atypical muscle irritation but so can exercise so maintain the exercise and if the symptoms don't resolve after a couple of weeks then have it evaluated ...Read more

Dr. Donald McCarren
329 Doctors shared insights

Muscle Twitching (Definition)

Muscle twitching is caused by minor muscle contractions in the area, or uncontrollable twitching of a muscle group that is served by a single motor nerve fiber. Muscle twitches are minor and often go unnoticed. Some are common and normal. Others are signs of ...Read more