I’m 33, female, 5 foot 9 inches, 290lbs(yes I know I’m fat).   
I’m in the southern United States, I’ve been taking naproxen and Tylenol.

A doctor put a trigger point injection into my left lower back this past Tuesday(06/02) afternoon, for pain in my lower back that would make my left leg go numb from my si joint. 

I had no idea what a trigger point injection was until about 5 minutes before this doctor did it, and I had no idea it could cause worsening pain? 

Within 45 minutes of me getting the injection, the pain in my lower back was and still is 100 times worse(it feels like the bones in my back are being literally crushed) when I stand up for more than 10 minutes now. 

Within 2 hours of the injection my left foot, ankle, and leg  started swelling and became extremely painful. 

It has progressively became more and more swollen, and the pain is a very deep, sharp, stabbing pain that really just does not go away. The pain is mainly on the top of my foot, on the bottom side of my ankle and underneath my knee. The swelling does go up to my leg as well. 

I went to an urgent care clinic today, the np said they thought the swelling and pain was because that doctor hit the sciatic nerve while doing the trigger point injection??   
They gave me a shot of torodal, which didn’t really do much, and it did absolutely nothing for the swelling. 

My friend is adamant that I need to go back to the doctor and that something is very wrong with my leg, but I honestly don’t want too, I always feel very judged and just not comfortable at the doctor, and honestly have a lot of trouble advocating for myself. 

Will this go away on its own? Should I just wait it out?   
It is extremely painful and nothing really helps the pain. 

I know I’m fat, and I feel like if I go back to the doctor it’s just going to wind up being something that is because I’m fat.   
Will this just get better on its own in a few days? 

Super painful & swollen leg/ankle after getting trigger point injection in my back on Tuesday, will it go away??