Actually, clonazepam is the right choice for anxiety/panic attacks sine a little goes a long way. I was started on clonazepam 40 years ago for my panic attacks, when I thought I was going to die any minute, took 0.5 if my medication and continued on my med and panic attacks stopped. How to use Klonopin. Read the Medication Guide provided by your pharmacist before you start taking clonazepam and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Talk With Them One-On-One. The first step to getting your loved one on the right path, is making sure you take the time to sit down with them and lay everything on the line. Find patient medical information for Clonazepam Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. For clonazepam, its elimination half-life ranges from 30 to 40 hours. This means that it will take between one to two days for just 50% of Klonopin to leave your system. I was really sorry to read that Dr. David Sinclair, who did so much research in the area of treating alcoholism, passed away at the beginning of April after a battle with cancer. I've been on both of these drugs in the past and so well associated with the hydrocodone thing. Hydrocodone being one of the best, have taken it off and on for years due to two reconstructive knee surgeries, slipped disc in my back and several other surgeries. Effects of Clonazepam Overdose. Taking a higher dosage than prescribed, more frequently than prescribed, or taking a substance that is prescribed to someone else is an ill-advised, dangerous course of action that can lead to overdose. What is Anxiety? Anxiety is commonly known as emotions that make you feel anxious before something stressful occurs, such as taking an exam or making an important decision, but Anxiety disorder is an entirely different beast. Discover the short- and long-term effects of Klonopin (clonazepam) abuse, as well as how to find Klonopin addiction treatment.