why does my penis shrink after exercising

The phenomenon you're describing, often referred to as a "shrunken" or smaller penis after exercising, is usually a temporary occurrence and has various explanations:

1. Blood Flow Redistribution: During exercise, the body's blood flow gets redirected to the muscles and other essential areas, away from less critical areas. This redirection of blood flow can cause a temporary decrease in blood flow to the penis, resulting in it appearing smaller.

2. Dehydration: Intense exercise can lead to dehydration. Dehydration can cause a temporary reduction in overall blood volume, affecting blood flow to the penis and potentially contributing to a smaller appearance.

3. Body Temperature: Exercise raises your body temperature. In response, the body attempts to cool itself down by sending blood to the skin's surface for cooling. This process may also impact the blood flow to the penis.

It's important to note that these changes are generally temporary and the penis typically returns to its normal size once the body recovers from the exercise and returns to its usual state. If the shrinkage persists for a longer period or is accompanied by pain, discomfort, or other concerning symptoms, it's advisable to consult a healthcare professional for a proper evaluation.