5 mg tid may increase, max
10mg/day; ext rel tabs (Xanax
XR) give daily in am 0.5-1mg initially, maintenance 1-10mg daily.
The onset for both Xanax and Xanax XR is 30 minutes, peak 1-2 hour, duration 4-6 hours and therapeutic response time for both is 2-3 days.
For mild to moderate anxiety, 6mg is a very hefty dose.
Xanax is not recommend for daily use beyond 4 months and must be tapered slowly.