Urticaria is complicated to diagnose by its symptomatic overlap with other skin conditions and the frequent misclassification ...

Urticaria pigmentosa, also called maculopapular cutaneous mastocytosis, is a skin condition that causes spots on the skin and ...

Birthmarks are colored skin spots that either are present at birth or develop shortly after birth. They can be different colors. Whether you're newly diagnosed with chronic spontaneous urticaria ...