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Doctor insights on: Causes Of Facial Muscle Weakness

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What causes facial muscle weakness?

What causes facial muscle weakness?

Facial palsy: Bell's palsy which is the injury of facial nerve that innervates the facial muscles can cause facial assymetry. You need to check with your doctor for treatment. ...Read more

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Dr. Marcel Hungs
791 doctors shared insights

Muscle Weakness (Definition)

Muscle weakness is either a subjective or objective symptom based on history or formalized testing. As a result, any complaint of weakness needs to be correlated with testing that can bring out that weakness, which sometimes involves putting that muscle in an isolated and 'disadvantaged' scenario to assess adequately. Such weakness can have multiple etiologies from ...Read more


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What nerve causes facial muscle weakness?

What nerve causes facial muscle weakness?

Cranial Nerves: Facial expression and movement are controlled by several of the cranial nerves (cn). Ocular motion by cn3, 4, 6. Eyebrow lift by cn3, eyelid closing by cn7, muscles of chewing by cn5 and the rest of the face by cn7. ...Read more

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I have some facial muscle weakness. Brain MRI about a year ago showed nothing. Was told it was anxiety. Could that be the only cause? I fear als.

I have some facial muscle weakness. Brain MRI about a year ago showed nothing.  Was told it was anxiety. Could that be the only cause?  I fear als.

Doubt ALS: Weak facial muscles are associated with a few hereditary muscle diseases (e.g., fsh), but can be due to problems with cranial nerves, such as facial or trigeminal, and problems outside cranial cavity may not be seen on standard brain mri. Very unlikely that you have als, but if you need more information, a facial nerve EMG might be of some value. ...Read more

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Why does hyperkalemia cause muscle weakness?

Why does hyperkalemia cause muscle weakness?

Dysfunction: It interferes with the muscles ability to contract because it alters the electrolyte balance across the muscle memberane. You have to have the right balance of potassium and other electrolytes for the contractile elements of the muscle to be able to contract which is what gives you movement and strength. ...Read more

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Does a elevated MCV cause muscle weakness .?

Does a elevated MCV  cause  muscle weakness .?

In short: The short answer is no. The elevated MCV needs to be looked at along other parameters of CBC and could reflect B12 deficiency or folate (folic acid) deficiency and mds. ...Read more

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What causes muscle weakness in polio?

What causes muscle weakness in polio?

See below: The polio virus attacks the nerves in the spinal cord that supply the muscles. Called motor nerves. Polio does not affect the nerves that deal with sensation. When the nerves die due to the polio virus, the muscles tend to wither and that is what causes the weakness. Post polio syndrome can occur 30-40 years later with new symptoms of weakness and fatigue. It is not a reactivation of the virus. ...Read more

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What causes muscle weakness and sleepiness?

What causes muscle weakness and sleepiness?

Narcolepsy?: Some patients have narcolepsy and cataplexy. It is characterized by sudden and transient episodes of bilateral loss of muscle tone without loss of consciousness often triggered by an emotional stimulus such as laughter, surprise, anger, fear or humorous situations. Other reasons are sleep paralysis (weakness on awakening), what could be normal. ...Read more

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Is there a disease that causes muscle weakness and weight loss?

Is there a disease that causes muscle weakness and weight loss?

Yes: Systemic illness, toxicity, congenital illness to name a few can cause muscle weakness and weight loss. ...Read more

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Can being bit by a tarantula cause muscle weakness or nerve pain?

Can being bit by a tarantula cause muscle weakness or nerve pain?

Depends of type: of tarantula. Many species of tarantulas are not harmful to humans. If a tarantula bites it might be a “dry” bite – injecting little to no venom. However, the bite of some tarantulas can cause pain & swelling at the site, muscle cramping, fever, difficulty breathing and exhaustion. The Chinese Bird Spider (a type of tarantula) has been blamed for one death in China. ...Read more

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What muscle disease can cause burning in your muscles but no muscle weakness ? Any idea ?

What muscle disease can cause burning in your muscles but no muscle weakness ? Any idea ?

Diabetes: Any disease which causes small vessel disease cause burning sensation, the best example is diabetes. Although there is need for thorough evaluation. ...Read more

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Does muscle weakness in children always have an underlining condition or cause?

Does muscle weakness in children always  have an underlining condition or cause?

Usually: Children should not be displaying muscle weakness. There is often a cause. See a pediatric neurologist for the best diagnosis. ...Read more

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Does hypo or hyperkalemia cause muscle weakness?

Does hypo or hyperkalemia cause muscle weakness?

Hypo: Potassium is needed to help muscle function. Without enough potassium, there is a change in the conduction of cells within a muscle. This change can lead to cramping, weakness and even heart arrythmias. People who have poor diets or who take diuretics "water pills" can develop hypokalemia more often. ...Read more

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What causes muscle weakness and not affect the nervous system?

What causes muscle weakness and not affect the nervous system?

Tough one: There are several categories of possibilities: viral illness, statin cholesterol medications, diabetes(high or low glucose) low thyroid, muscular dystrophy, low potassium or low calcium levels, low protein diet to name a few... ...Read more

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Why does hypokalemia cause muscle weakness?

Muscles need lytes: Your muscles and nerves require potassium to properly contract and relax. If low, they don't work as efficiently ...Read more

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Does sleep deprivation cause extreme muscle weakness?

Does sleep deprivation cause extreme muscle weakness?

Be strong, get help: If you are running on empty, you need to recharge. A car won't run without fuel. You need to address the source of your sleeplessness. Sleep dysfunction has an impact on health. http://www.nlm.nih.gov/medlineplus/magazine/issues/summer12/articles/summer12pg16.html sleep deprivation has been used as a form of torture, don't torture yourself, get help. ...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


Dr. Eric Weisman
378 doctors shared insights

Weak Muscles (Definition)

Muscle weakness can be described as either a perceived or measurable loss in muscle strength. This loss can be due to host of conditions, including but not limited to, age, ...Read more