What is Muscle weakness?

Muscle 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 Muscle weakness that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.

Possible conditions associated with Muscle weakness

The following conditions have been associated with Muscle weakness. Only a health professional can determine the underlying cause.

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 signs.

Acute intermittent porphyria

Acute intermittent porphyria is the most frequent and the most severe form of the acute hepatic porphyrias. It is charac...

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 with various...

Adult-onset autosomal dominant leukodystrophy

Adult-onset autosomal dominant leukodystrophy is a medical condition that may be associated with various symptoms and si...

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.

Related symptoms

When to seek medical care

Seek urgent care if Muscle weakness is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.