I Was Just Wondering Why This Happen To Me I

I was just wondering why this happen to me I was drinking and I had taken my clanaspam during the day and took tylonol 3 for a migraine and started drinkingthat after noon until the evening then later I lost it and couldn't remember anything would this cause my blackout I was 22 and had a stroke years later found out I had an abnormal spot on the left side of my brain so would that cause my blackout and I cut my arm not remembering doing it