Quick Answer: What Can Cause Very Weak Legs?

What causes sudden loss of strength in legs?

Common causes of sudden leg weakness include drop attacks, the Guillain–Barr syndrome and nontraumatic spinal cord compression due to metastatic tumour or an epidural abscess..

Why are my legs wobbly?

Sudden leg weakness can be a cause for concern and should prompt immediate medical attention. Some causes of sudden leg weakness include stroke (due to a decrease in oxygen reaching parts of the brain), spinal cord damage, or a pinched nerve coming out of the spinal cord.

Why do my legs feel weak and heavy?

The sensation of heavy legs, also known as venous insufficiency, is related to poor circulation. It occurs when blood flow from the legs to the heart is impaired, causing the heaviness.

What does it mean when your legs feel weak and shaky?

If you suddenly feel weak, shaky, or lightheaded—or if you even faint—you could be experiencing hypoglycemia. A headache that comes on quickly, weakness or tremor in your arms or legs, and a slight trembling of your body are also signs that your blood sugar is too low.

Why do my legs feel like they are going to give out?

Causes of nerve damage include direct injury, tumor growth on the spine, prolonged pressure on the spine, and diabetes. A spinal cord injury. Spinal cord injuries are among the most common reasons that legs give out. These injuries vary in severity but should always be evaluated immediately by a spine specialist.