As head of Americaâs largest oil company, Mr. Tillerson has earned a friendship award from Russia and voiced skepticism about American sanctions that have halted some of Exxon Mobilâs biggest projects in the country.
Hives, or urticaria, can create intense itching along with bumpy welts. Allergies to food, pollen, or drugs can cause hives to erupt anywhere on the body. Among the most common of skin welts in humans, these conditions usually disappear within 12 hours. Ad.
Welts are very often seen in the form of hives, itchy red swellings due to an allergic reaction, says MedlinePlus. They result from histamine and other chemicals being released into the blood and may be triggered by bug bites, particular foods, environmental allergens or medicines.