HT9. His whole body was itchy, he thought it was an allergy and was diagnosed…See more

Itchy skin is common and usually caused by minor factors like new detergents or dry weather, but persistent or widespread itching may signal chronic hives (urticaria), a condition where raised, red, itchy welts appear due to the body releasing histamine in response to triggers; acute hives resolve within six weeks and are often linked to allergies, while chronic hives last longer with causes that are often unknown but may involve autoimmune issues, presenting symptoms like varying welts, swelling, and intense itching that sometimes require urgent care if accompanied by breathing difficulties.