Most cat scratches are not that deep, and they heal very fast, but why do they scratch that much? Since our bodies don’t recognize it as severe pain, it doesn’t release endorphins, so the brain process that itching as pain. The itching is not that bad, but the brain will recognize it as significant only if it becomes painful., When a cat scratches, its sharp claws can break the skin and allow bacteria to enter the wound, causing inflammation and irritation. This can result in redness, swelling, and itching around the scratch site. Another reason why cat scratches itch is due to the cat 's saliva., Why Does It Itch When a Cat Scratches You? A cat scratch on a finger, hand, arm or face will likely become really itchy. A quick swipe of the claws could lead to cuts, bleeding, itchiness, stinging, puffiness, or bacterial infection., Continue reading to find out what to do if you get scratched by a cat, and the four most common reasons that scratch may start to itch. First thing you want to do if you get scratched by a cat is thoroughly wash out the wound. We’re talking soapy warm water and scrubbing for a few minutes., Itching from cat scratches can be quite bothersome, leading to discomfort and annoyance. Understanding the cat scratch reaction is essential to gaining insights into the development of a cat scratch rash and the itchiness that accompanies it. Allergies can also play a role in cat scratch itch., When a cat scratches, it can introduce bacteria or other foreign substances into the skin, triggering an allergic reaction or causing minor abrasions that lead to itching. Additionally, the cat’s claws may introduce histamines into the skin, causing an itchy sensation..