Itchy, raised, red, or skin-colored welts on the skin Size may vary Welts are shaped like an oval or a worm
Bacterial or viral infections Blood transfusions Common allergens like Pollen Emotional stress Foods like shellfish, fish, peanuts, tree nuts, soy, wheat, eggs, and milk Hot showers Insect bites Physical exercise Scratching Some medications including penicillin, aspirin, ibuprofen, naproxen sodium, and blood pressure medications Sunlight exposure Tight clothing
Dermatologist
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