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.
But for those who have chronic hives, or urticaria, the condition can seem relentless. âChronic idiopathic hives are itchy red welts that persist for at least six weeks and have no known cause,â says Miriam Anand, MD, an allergist with Allergy Associates and Asthma in Tempe, Arizona.