Palmar erythema

The symmetrical redness or pinkness on the palms of the hands. 

Common causes:

• Pregnancy: High estrogen levels change blood flow

• Liver failure: Cirrhosis or hepatitis alter hormone breakdown

• Autoimmune diseases: Rheumatoid arthritis

• Hyperthyroidism

• Medications and lifestyle: Topiramate, albuterol, or heavy smoking