
Muscle strains - Symptoms and causes - Mayo Clinic
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 …
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)
Jan 17, 2026 · Overview Myalgic encephalomyelitis/chronic fatigue syndrome, also called ME/CFS, is a complicated condition. It causes extreme fatigue that lasts for at least six months. Symptoms worsen …
Statin side effects: Weigh the benefits and risks - Mayo Clinic
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, …
Amyotrophic lateral sclerosis (ALS) - Symptoms and causes
Mar 17, 2026 · Overview Amyotrophic lateral sclerosis (a-my-o-TROE-fik LAT-ur-ul skluh-ROE-sis) is a nervous system disease that affects nerve cells in the brain and spinal cord. Also known as ALS, the …
Myocarditis - Symptoms and causes - Mayo Clinic
Jun 4, 2024 · Myocarditis is inflammation of the heart muscle, called the myocardium. The condition can reduce the heart's ability to pump blood. Myocarditis can cause chest pain, shortness of breath, and …
Heart attack - Symptoms & causes - Mayo Clinic
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 plaque …
Peripheral neuropathy - Symptoms and causes - Mayo Clinic
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 …
Dermatomyositis - Symptoms & causes - Mayo Clinic
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 …
Serotonin syndrome - Symptoms & causes - Mayo Clinic
Sep 12, 2024 · Serotonin syndrome is a serious drug reaction. It is caused by medications that build up high levels of serotonin in the body. Serotonin is a chemical that the body produces naturally. It's …
Ivermectin (oral route) - Side effects & dosage - Mayo Clinic
Feb 1, 2026 · Description Ivermectin is used to treat river blindness (onchocerciasis), intestinal infection from threadworms (strongyloidiasis), and other kinds of worm infections. Ivermectin is an …