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.
Allergies to eggs may cause skin welts. Hives can appear as part of an allergic reaction. If welts are followed by symptoms of anaphylaxis then emergency medical care is necessary. Welts can appear as an itchy rash.