premise: How to recognize hives (rash )<br>Detect itchy or stinging skin spots. Hives may begin as an itchy or stinging area on your skin. If you begin to notice itching, stinging or pain on any parts of your skin with or without a specific cause, it may be hives and you could develop welts.
hypothesis: Hives can cause the skin to welt up and become painful to touch. 
reason: If not treated quickly, hives can lead to welts and does cause pain and discomfort to the site. 