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Medically reviewed by Last updated on Jul 7, 2024.

What is weakness?

Weakness is a loss of muscle strength. You may have weakness in a single muscle or in a group of muscles. Weakness can come and go or be constant. Weakness can get worse over time. You may have weakness for a short time, or it may be permanent.

What causes or increases my risk for weakness?

How is the cause of weakness diagnosed?

Your healthcare provider will ask when your signs and symptoms started and what makes your weakness worse. Tell your provider about any medical conditions you have. He or she will test your muscle strength, reflexes, and sense of touch. He or she will also check how far you can move or lift your weakened area. You may also need any of the following:

How can I manage weakness?

Treatment options

The following list of medications are related to or used in the treatment of this condition.

Call 911 for any of the following:

When should I seek immediate care?

When should I contact my healthcare provider?

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Learn more about Weakness

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.