How do I get swelling to go down from within my penis?

Sorry to hear all of what you are going through to say the very least!! I can only imagine the pain your in!! I suggest seriously going to the ER immediately no waiting and get this looked into, you don't want to mess with this yourself, this is an urgent matter please go to ER ASAP... angel1662

I'd suggest the ER asap because you will need some kind of medication or other help. If you wait, you may very well end up with permanent nerve damage from the swelling pinching off the nerves! Nerve damage may either make you permanently lose all sensation or it could just damage it in a way that makes it extra sensitive so that it will ALWAYS feel uncomfortable whether you're aroused or not and even just if your clothes touch it! It's just something you should not try to fix on your own or wait to get help with. I'm sure it will be embarrassing to deal with however getting it fixed will be 100% worth it over long-term complications! Best wishes!

You need to see a Dr. right away, if you could go to the ER, this has to be taken care of by professionals. Or if you can wait, which I do not recommend, to see an Urologist, but if I were you I would go to the ER now.