When the testicles retract during a panic or anxiety attack, is it possible for cremastric reflex to become damaged. Given attack was severe?

Get Rx 4 Anx/Panic. I never heard of such damage occurring because of anxiety and panic. If you are having physical symptoms of course you should get a physical check up. Most important is that you should have treatment for the severe panic or anxiety attacks. There are various psychotherapy treatments with or without medication that should be helpful to you.