Letter H
Hypoxemia
Also known as: Low blood oxygen, Low SpO2
Hypoxemia symptom guide: what it can mean, possible causes, and when to seek care. Educational only.
Overview
Hypoxemia is an emergency state that can follow pneumonia, COVID-19, severe asthma, or heart disease. Blue lips, confusion, or low SpO2 need oxygen and hospital care.
Possible causes
- Pneumonia
- COVID-19
- Severe asthma
- Heart problems
- Altitude / low-oxygen settings
When to see a doctor
Call emergency services for breathing trouble, blue lips, or a low oxygen reading.