Letter B
Body weakness
Also known as: General weakness, Asthenia
Body weakness symptom guide: what it can mean, possible causes, and when to seek care. Educational only.
Overview
Body weakness can follow infections, anemia, poor sleep, or chronic illness. Sometimes it signals nutrient deficiency. Sudden one-sided weakness is an emergency.
Possible causes
- Infection or fever
- Anemia
- Lack of sleep
- Diabetes or blood pressure issues
- Poor nutrition
When to see a doctor
See a clinic if weakness is sudden, one-sided, or lasts weeks without a clear reason.