Oct 11, 2022 · Muscle spasms Swelling Muscle weakness When to see the doctor Mild strains can be treated at home. See a doctor if your symptoms worsen despite treatment — especially if your pain …

Nov 18, 2023 · Isometric exercises are tightening (contractions) of a specific muscle or group of muscles. During isometric exercises, the muscle doesn't noticeably change length. The affected joint …

Jul 21, 2025 · Very rarely, statins can cause life-threatening muscle damage called rhabdomyolysis (rab-doe-my-OL-ih-sis). Rhabdomyolysis can cause extreme muscle pain, liver damage, kidney failure, …

Jun 27, 2023 · Athletes take human growth hormone, also called somatotropin, to build more muscle and do better at their sports. But studies don't clearly prove that human growth hormone boosts …

Motor nerves that control muscle movement. Autonomic nerves that control functions such as blood pressure, sweating, heart rate, digestion and bladder function. Symptoms of peripheral neuropathy …

Aug 22, 2025 · This causes muscle weakness. Myasthenia gravis also may happen if antibodies block proteins such as muscle-specific receptor tyrosine kinase, also called MuSK, or lipoprotein-related …

Oct 9, 2023 · A heart attack occurs when an artery that sends blood and oxygen to the heart is blocked. Fatty, cholesterol-containing deposits build up over time, forming plaques in the heart's arteries. If a …

Feb 1, 2026 · Call your doctor right away if you have dark-colored urine, fever, muscle cramps or spasms, muscle pain or stiffness, or unusual tiredness or weakness. These could be symptoms of a …

Symptoms Back pain can range from a muscle ache to a shooting, burning or stabbing feeling. Also, the pain can radiate down a leg. Bending, twisting, lifting, standing or walking can make pain worse. …

Sep 12, 2025 · Dermatomyositis (dur-muh-toe-my-uh-SY-tis) is a condition in which swelling and irritation, called inflammation, attacks the body's tissues. Dermatomyositis causes muscle weakness …