Possibly. More here on the risks of pure vs. "cut" ecstasy here, with a section at the end for your questions. ...
Ecstasy overdose: How much amount of ecstasy to OD?
Is it true that partying too much can do you harm? When should you stop an ecstasy session? How does ecstasy overdose ha ...
Mixing ecstasy with alcohol
What are the effects of mixing ecstasy and alcohol? Can you overdose? Possibly die? Harms and warnings of mixing ecstasy ...