I'm not a medical professional of any kind and I'm just sharing my personal layman experiences. Always consult your doctor and follow his/her advice.
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newbie443,
Welcome to the forum. You can hopefully learn from the experiences of others and save some of the difficulty of learning by yourself.
Your doctor sounds much like my first uro. He's a good guy and has now retired from active practice and teaches at a school somewhere. However, by your description, like yours, he didn't serve me well in teaching me the injection technique. Like yours, mine gave me a script (for Edex) and told me to read the instructions. That's bullshit! I really liked him but he failed me there! OK, rant over.
newbie, please read as many of the threads in the "Injections" sub-forum as you can tolerate. There's a lot of good information there from a lot of members with years of injection experience.
Please also watch at least a few injection videos. They can be found on YouTube. This is my feeble attempt:
https://www.youtube.com/watch?v=1KocDkt ... e=youtu.beor others:
https://www.youtube.com/watch?v=QOIhQCtxP6sTry and educate yourself a bit and then start asking questions on this forum.
From your brief description it's my assumption that you aren't doing the injections correctly. Blood should be very minimal if there's any at all. I almost never have blood. Although some get pain from the medication, the pain from the actual injection process should really be very minimal.
You'll get this figured out and be in happy boner town soon.