Muscle weakness
Reduced strength of muscles.
Also called: Muscle weakness, Muscular weakness.
Conditions associated with muscle weakness
The following conditions have been associated with muscle weakness in medical literature. This is informational and not a diagnosis.
Acute adrenal insufficiency
Acute adrenal insufficiency is a medical condition that may be associated with various symptoms and signs....
Acute disseminated encephalomyelitis
Acute disseminated encephalomyelitis is a medical condition that may be associated with various symptoms and s...
Acute promyelocytic leukemia
Acute promyelocytic leukemia is a medical condition that may be associated with various symptoms and signs....
Acute radiation syndrome
Acute radiation syndrome is a medical condition that may be associated with various symptoms and signs....
Acute transverse myelitis
Acute transverse myelitis is a medical condition that may be associated with various symptoms and signs....
Addison disease
Addison disease is a medical condition that may be associated with various symptoms and signs....
Adrenocortical carcinoma
Adrenocortical carcinoma is a medical condition that may be associated with various symptoms and signs....
Adrenocortical carcinoma with pure aldosterone hypersecretion
Adrenocortical carcinoma with pure aldosterone hypersecretion is a medical condition that may be associated wi...
Adult-onset autosomal dominant leukodystrophy
Adult-onset autosomal dominant leukodystrophy is a medical condition that may be associated with various sympt...
African trypanosomiasis
African trypanosomiasis is a medical condition that may be associated with various symptoms and signs....
Alexander disease
Alexander disease is a medical condition that may be associated with various symptoms and signs....
Alpha-N-acetylgalactosaminidase deficiency type 1
Alpha-N-acetylgalactosaminidase deficiency type 1 is a medical condition that may be associated with various s...
Angiostrongyliasis
Angiostrongyliasis is a medical condition that may be associated with various symptoms and signs....
Antisynthetase syndrome
Antisynthetase syndrome is a medical condition that may be associated with various symptoms and signs....
Arachnoiditis
Arachnoiditis is a medical condition that may be associated with various symptoms and signs....
Argininosuccinic aciduria
Argininosuccinic aciduria is a medical condition that may be associated with various symptoms and signs....
Arnold-Chiari malformation type I
Arnold-Chiari malformation type I is a medical condition that may be associated with various symptoms and sign...
Athyreosis
Athyreosis is a medical condition that may be associated with various symptoms and signs....
Autosomal dominant spastic paraplegia type 9A
Autosomal dominant spastic paraplegia type 9A is a medical condition that may be associated with various sympt...
Bethlem muscular dystrophy
Bethlem muscular dystrophy is a medical condition that may be associated with various symptoms and signs....
Bronchogenic cyst
Bronchogenic cyst is a medical condition that may be associated with various symptoms and signs....
Brown-Vialetto-van Laere syndrome 1
Any Brown-Vialetto-van Laere syndrome in which the cause of the disease is a mutation in the SLC52A3 gene....
Cholera
Cholera is a medical condition that may be associated with various symptoms and signs....
Chronic graft versus host disease
Chronic graft versus host disease is a medical condition that may be associated with various symptoms and sign...
Chédiak-Higashi syndrome
Chédiak-Higashi syndrome is a medical condition that may be associated with various symptoms and signs....
Classical Ehlers-Danlos syndrome
Classical Ehlers-Danlos syndrome is a medical condition that may be associated with various symptoms and signs...
Classical-like Ehlers-Danlos syndrome type 1
Classical-like Ehlers-Danlos syndrome type 1 is a medical condition that may be associated with various sympto...
Cockayne syndrome type 1
Cockayne syndrome caused by mutation(s) in the ERCC8 gene, encoding DNA excision repair protein ERCC-8....
Cockayne syndrome type 2
Cockayne syndrome caused by mutation(s) in the ERCC6 gene, encoding DNA excision repair protein ERCC-6....
Coenzyme Q10 deficiency, primary, 7
Coenzyme Q10 deficiency, primary, 7 is a medical condition that may be associated with various symptoms and si...
Cold agglutinin disease
Cold agglutinin disease is a medical condition that may be associated with various symptoms and signs....
Congenital Gerbode defect
Congenital Gerbode defect is a medical condition that may be associated with various symptoms and signs....
Congenital multicore myopathy with external ophthalmoplegia
Congenital multicore myopathy with external ophthalmoplegia is a medical condition that may be associated with...
Cronkhite-Canada syndrome
Cronkhite-Canada syndrome (CCS) is a rare gastrointestinal (GI) polyposis syndrome characterized by the associ...
Cryoglobulinemic vasculitis
Cryoglobulinemic vasculitis is a medical condition that may be associated with various symptoms and signs....
Cushing Syndrome
A condition of excess cortisol in the body causing weight gain, high blood pressure, and a rounded face....
Cushing disease
Cushing disease is a medical condition that may be associated with various symptoms and signs....
Cushing syndrome due to ectopic ACTH secretion
Cushing syndrome due to ectopic ACTH secretion is a medical condition that may be associated with various symp...
Developmental and epileptic encephalopathy 122
Developmental and epileptic encephalopathy 122 is a medical condition that may be associated with various symp...
Distal renal tubular acidosis
Distal renal tubular acidosis is a medical condition that may be associated with various symptoms and signs....
Tests providers may use to investigate muscle weakness
When investigating muscle weakness, a healthcare provider may order one or more of the following laboratory tests. Test selection is a clinical decision made by a qualified professional.
CBC with Differential
Measures red blood cells, white blood cells, and platelets to help evaluate overall health and detect disorder...
Calcium
Measures calcium levels to evaluate bone, kidney, and parathyroid health....
Comprehensive Metabolic Panel (CMP)
Measures 14 substances in the blood to assess kidney and liver function, electrolyte balance, and blood sugar ...
Cortisol Levels Blood Test
The hormone cortisol (hydrocortisone) is made by the adrenal glands and plays a key role in metabolizing carbo...
Fasting Glucose
Measures blood sugar after fasting to screen for diabetes and prediabetes....
Parathyroid Hormone Pth Test
This blood test is used to measure levels of PTH to help diagnosis parathyroid disease and other diseases that...
Urinalysis
Examines urine content to help detect urinary tract infections, kidney disease, and diabetes....
Vitamin D, 25-Hydroxy
Measures vitamin D levels to detect deficiency or insufficiency....
ANA (Antinuclear Antibodies)
Screens for autoimmune diseases such as lupus....
Amino Acids Urine Test
This urine test panel can help discover deficiencies in amino acids. It is used for diagnosis and monitoring o...
Symptoms commonly seen alongside muscle weakness
Bladder Problems
Difficulty controlling urination, which can be related to neurological or urinary conditions....
Bone Pain
Pain originating in the bones, which can be caused by injury, infection, or other conditions....
Cognitive Impairment
Difficulty with thinking, memory, concentration, or decision-making, which can have many causes....
Dizziness
A feeling of lightheadedness, unsteadiness, or faintness, which can be caused by many conditions....
Low Mood
Persistent sadness, emptiness, or hopelessness, which is a core symptom of depression....
Optic Nerve Inflammation
Inflammation of the optic nerve causing eye pain and vision loss, which can be associated with multiple sclero...
When to seek care
Seek care from a qualified healthcare provider if muscle weakness is severe, persistent, worsening, or accompanied by concerning symptoms. If you think you have a medical emergency, call your local emergency number immediately.
Frequently Asked Questions
What does the symptom muscle weakness mean?
Muscle weakness is a health sign or symptom described in medical literature. Reduced strength of muscles.
Which conditions are associated with muscle weakness?
Muscle weakness has been reported in association with 183 conditions in the medical literature we index, including Acute adrenal insufficiency, Acute disseminated encephalomyelitis, Acute promyelocytic leukemia, Acute radiation syndrome, Acute transverse myelitis. These associations do not mean you have any of these conditions.
Should I see a doctor about muscle weakness?
You should discuss any persistent or concerning symptoms with a qualified healthcare provider. This website does not provide diagnosis. If you have severe symptoms or signs of a medical emergency, seek care immediately.