Blue and Purple Nail Beds or Nails: Causes and Diagnosis

Blue or purple nails may be a symptom of cyanosis or other conditions such as heart disease or lung disorders. Learn when to see a healthcare provider.

Why Are My Lips Purple or Blue?

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Cyanosis: Symptoms, Causes, Diagnosis, and Treatment

Cyanosis: Symptoms, Causes, Diagnosis, and Treatment

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Peripheral Cyanosis: Symptoms, Causes, and Treatment

Why Are My Lips Purple or Blue?

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Blue and Purple Nail Beds or Nails: Causes and Diagnosis

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Brian Mastroianni - Verywell Health