I took one 2mg Klonopin pill Friday evening and I need to know if it will show up on a urine screen this Monday afternoon? I do not take this How long after you take klonopins do you get tested? I took a klonopin every day how long does it stay in my system need to take a drug test next Friday.I Take 1 Mg Of Klonopin Per Day Why Does It Not. Feb 21, - When an addicted person stops taking Klonopin, the brain becomes hyperactive, causing withdrawal symptoms. Withdrawal symptoms last longer for those who took large doses over a long period of time. But whenever I lower my Klonopin dose too rapidly, my world starts to teeter out of control. *Sometimes when I save up a few days worth of my klonopin doses and then take them all at once (around mg's), I get very "loose" and relaxed and most the time very tired at certain points causing me to take a couple medxr.com I will eventually fall asleep(quite easily).but when I wake up I can still.