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.
Hives or urticaria are a type of rash consisting of itchy, swollen, red welts. The itching may be mild or severe. Foods, medications, infections, exercise, scratching, alcoholic beverages, emotional stress and many other factors may worsen hives.oods such as eggs, nuts and shellfish are common causes of urticaria. Medications such as aspirin and antibiotics (especially penicillin and sulfa) also are common causes of hives. Infections causing hives include the common cold, and other viral infections.