Fatigable weakness
A type of weakness that occurs after a muscle group is used and lessens if the muscle group has some rest. That is, there is diminution of strength with repetitive muscle actions.
What is Fatigable weakness?
Fatigable weakness is a symptom that people may experience for many reasons. It can be related to infections, chronic conditions, injuries, medication effects, or other health changes. The presence of this symptom alone does not diagnose any condition.
If you have Fatigable weakness that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.
Possible conditions associated with Fatigable weakness
The following conditions have been associated with Fatigable weakness. Only a health professional can determine the underlying cause.
Autosomal dominant hypocalcemia
Autosomal dominant hypocalcemia is a medical condition that may be associated with various symptoms and signs.
Congenital myasthenic syndrome
Congenital myasthenic syndrome is a medical condition that may be associated with various symptoms and signs.
Immunodeficiency 126
Immunodeficiency 126 is a medical condition that may be associated with various symptoms and signs.
Medium chain acyl-CoA dehydrogenase deficiency
Medium chain acyl-CoA dehydrogenase deficiency is a medical condition that may be associated with various symptoms and s...
Optic pathway glioma
Optic pathway glioma is a medical condition that may be associated with various symptoms and signs.
Presynaptic congenital myasthenic syndromes
Presynaptic congenital myasthenic syndromes is a medical condition that may be associated with various symptoms and sign...
Pulmonary alveolar microlithiasis
Pulmonary alveolar microlithiasis is a medical condition that may be associated with various symptoms and signs.
Thymic carcinoma
Thymic carcinoma is a medical condition that may be associated with various symptoms and signs.
congenital myasthenic syndrome 1A
Any congenital myasthenic syndrome in which the cause of the disease is a mutation in the CHRNA1 gene.
congenital myasthenic syndrome 20
Any congenital myasthenic syndrome in which the cause of the disease is a mutation in the SLC5A7 gene.
congenital myasthenic syndrome 4A
A congenital myasthenic syndrome characterized by postsynaptic neuromuscular junction defects, early-onset progressive m...
congenital myasthenic syndrome 5
Congenital myasthenic syndrome caused by mutation(s) in the COLQ gene, encoding acetylcholinesterase collagenic tail pep...
Related symptoms
When to seek medical care
Seek urgent care if Fatigable weakness is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.