Meprobamate overdosage is usually not fatal. A patient responded to initial fluid therapy with complete return to consciousness but died later as the result of acute meprobamate intoxication.
Jenis EH, Payne RJ, Goldbaum LR. Acute Meprobamate PoisoningA Fatal Case Following a Lucid Interval. JAMA. 1969;207(2):361-362. doi:10.1001/jama.1969.03150150073024