One year later, the same author re-evaluated the activity of antioxidant enzymes, including Copper Zinc Superoxide Dismutase (Cu/ZnSOD), GSH-Px, and catalase, and the levels of MDA in plasma and erythrocytes of 12 women with non-steroidal anti-inflammatory drug (NSAID)-induced urticaria and 19 healthy controls. This evidence concerns the gene CAT and urticaria.