How many Ativan are lethal?

anything to much of a pill is a overdose. anything over 15mg of ambien is a overdose. taking to much of ambien will make you purge. but can be deadly .

Depending on what you mean by a overdose, what the box sais or how much until you die. 15mg and above are overdoses according to what the box sais.

700 mg/k is the ld50 for rats. for human the ld50 would be 4.2mg.