Muscle weakness can make everyday activities and movements of your arms, legs, and body challenging.
It can also be sparked by an underlying immune condition, a virus, or a neurological problem.
This article lists 47 possible causes of muscle weakness, how an underlying cause is diagnosed, and treatments.
Wutthichai Luemuang / EyeEm / Getty Images
Wutthichai Luemuang / EyeEm / Getty Images
What Causes Muscle Weakness?
Treatment options include medication, dietary changes, physical and occupational therapy, and in certain cases, surgery.
Medication
Medication may be prescribed to help treat the underlying cause of your muscle weakness.
Steroids andbiologicsare also often prescribed to decrease inflammation in autoimmune conditions that can cause muscle weakness.
It is usually considered when other forms of treatment fail to improve symptoms.
Surgery will involve removing tissue that is causing nerve compression.
Muscular Dystrophy Association.Amyotrophic lateral sclerosis (ALS).
Holland NJ, Bernstein JM.Bell’s palsy.BMJ Clin Evid.
Centers for Disease Control and Prevention.About cerebral palsy.
National Institute of Neurological Disorders and Stroke.Guillain-Barre syndrome.
Papanikolaou N, Perros P.An unusual presenting symptom of Graves disease: myalgia.Eur Thyroid J.
2013;1(4):274-276. doi:10.1159/000343826
National Institute of Neurological Disorders and Stroke.Lambert-Eaton myasthenic syndrome.
Muscular Dystrophy Association.Myasthenia gravis (MG).
Muscular Dystrophy Association.Becker muscular dystrophy (BMD).
2018;7(4):R135-R146.
2014;7:219-230. doi:10.2147/IJNRD.S42054
National Organization for Rare Disorders.Addison’s disease.
2017;96(30):e7591.
doi:10.1097/MD.0000000000007591
Centers for Disease Control and Prevention.About botulism.
Rodriguez B, Nansoz S, Cameron DR, ZGraggen WJ.Is myopathy part of long-Covid?Clin Neurophysiol.
2016;134(6):388-402. doi:10.1111/ane.12576
Johns Hopkins HIV guide.Muscle disorders.
Centers for Disease Control and Prevention.Signs and symptoms of untreated lyme disease.
National Institute of Neurological Disorders and Stroke.Meningitis.
Centers for Disease Control and Prevention.Clinical overview of rabies.
Centers for Disease Control and Prevention.About rheumatic fever.
Icahn School of Medicine at Mount Sinai.Syphilitic myelopathy.
Centers for Disease Control and Prevention.About toxoplasmosis.
Sejvar JJ.Clinical manifestations and outcomes of West Nile virus infection.Viruses.
Johns Hopkins Medicine.Chronic fatigue syndrome.
American Association of Neuromuscular & Electrodiagnostic Medicine.Diabetic amyotrophy.
Int J Mol Sci.
2022 May 27;23(11):6047. doi:10.3390/ijms23116047
Harvard Medical School.Understanding narcolepsy.
National Institute of Neurological Disorders and Stroke.Peripheral neuropathy.
National Institute of Neurological disorders and stroke.Stroke.
Nessrine A, Zahra AF, Taoufik H.Musculoskeletal involvement in sarcoidosis.J Bras Pneumol.
2022 Dec 31;10(4):e160.
doi: 10.15190/d.2022.19
Lupus Foundation of America.Lupus and the joints, muscles, and bones.
