Letter L
Left-side chest pain
Also known as: Left chest pain
Left-side chest pain symptom guide: what it can mean, possible causes, and when to seek care. Educational only.
Overview
Left-side chest pain can come from muscle strain, reflux, or—most importantly—the heart. Do not try to sort this at home if pain is severe, spreads to the arm/jaw, or comes with sweating. Call emergency care.
Possible causes
- Muscle strain
- Reflux
- Heart problems
- Anxiety / panic
- Lung infection
When to see a doctor
Call emergency care for chest pain, pressure, breathing trouble, or cold sweats.