Last weekend I took what I thought to be was LSD. Turns out it was 251nbome. Some research chemical with similar effects as LSD. The person who sold.me it lied to me saying it was acid when in fact it was not. Rc's are highly dangerous and multiple deaths has occurred as a result. On Saturday, I took one MDMA pill. Felt fine, until today I got a serious headache and blurry vision. Me left arm started to go numb and was tingling. It wasn't until the numbness reached the whole left side of my face when I decided to call 911. I was seriously convinced I was going to pass out and seizure or have a stroke. The paramedics said all my signs look normal and proceeded with the day. However I did not tell them about the drugs. Could this be a contributor? Should I get an MRI?