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.
Top 10 facts about the world. Welts are bumps in the skin that are caused by a fluid buildup directly below the surface of the skin. A number of things can lead to the development of a welt, ranging from trauma to the skin to an allergic reaction.
Allergies to nuts may cause skin welts. Allergies to eggs may cause skin welts. Allergies to dairy products may cause skin welts. Hives that are accompanied by other symptoms such as a swollen tongue or throat should be addressed by a doctor immediately. Allergies to shellfish, like oysters, can cause skin welts.