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.
Allergy is a common cause of a skin rash that appears as welts. Welts are raised, red or skin-colored blisters and lesions on your skin of varying shapes and sizes. If you have a full body rash characterized by welts, you may have hives. Allergies can produce hives, a condition that typically is not life-threatening; however, other symptoms of an allergic reaction can be fatal.