How long does it take for rivotril to take effect, how long for rivotril to leave system how long does it take for rivotril to take effect ==> how long does it take for rivotril to take effect how long does it take for rivotril to take effect how long for rivotril to leave system how long does it take for klonopin take to work how long does it take for klonopin to take effect how long does it take for clonazepam to take effect how long does it take for clonazepam to take full effect how long does it take for clonazepam take to work how long does it take for rivotril to work