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What causes low blood oxygen levels?

Hypoxemia, or low blood oxygen, can be caused by any of the following medical problems: anemia, airway obstruction, congenital heart disease, chronic obstructive pulmonary disease, emphysema, high altitudes, pneumonia, pneumothorax, pulmonary edema, pulmonary embolism, pulmonary fibrosis, shock, or sleep apnea.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.