2. Skin Irritation and Inflammation Allergic reactions often cause redness, swelling, or rashes on a cat’s skin. Some cats may develop scabs, sores, or flaky patches due to repeated scratching.

Maria Azzurra Volpe is a Newsweek Life & Trends reporter based in London, U.K. Her focus is reporting on everyday life topics and trending stories. She has covered Pet Care and Wildlife stories ...