Erythema migrans is a term used to describe two very different types of erythema:

• Erythema chronicum migrans
• Geographic tongue

Erythema is redness of the Skin caused by Capillary congestion Erythema chronicum migrans refers to the rash often (though not always seen in the early stage of Lyme disease. Geographic tongue, also known as benign migratory Glossitis, Erythema migrans, or continental tongue, is a condition affecting the

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