Hey there - Welcome to Bluelight
In regards to medical attention, my buddy went to the ER because his hand swelled up from shooting meth, and no cops bothered him.
If you need help with addiction too, go to the ER where you would be dealing with nurses and doctors who might send you to a inpatient facility, especially if you have other mental health problems. Other option is a detox. The only time I dealt with cops at the hospital was when I was on watch for violent behavior. And TBH they might have just been security, I forget.