My dog stepped on my penis will that cause a stricture or damage it?

How much injury?: If there was no significant injury, there is no reason why a stricture or other long-term issue should develop. However, if there was bleeding from the opening, or blood in the urine, or if the skin was broken and bled, or if the penis became swollen or discolored, then it would be important to consult a physician ASAP.

Here are some...: Considering the anatomical structure and tissue texture of the penis and the potential impact from the speed and action of a dog, such scene will bear low odd to induce a significant injury to the urethra so the likelihood to have urethral stricture should be low. Therefore, it is reasonable to just wait and see as long as there was no immediate symptoms or signs suggesting deep injury. ...