How Long Does Klonopin Last in the Body?

If you have been taking Klonopin for a period of time, you may be concerned about addiction. If this is the case, you need to know how long Klonopin lasts in the body. Many people who are worried about Klonopin addiction have very real concerns about withdrawal symptoms. You're right to be concerned.

Klonopin is classified as a benzodiazepine, and these drugs are known to be addictive. Even so, Klonopin isn't always labeled as addictive on the bottle. Because of this, you might not have realized that this drug does have addictive potential. Also, people tend to put their faith in their doctors when they prescribe these drugs. They think that they are quite safe for them. Unfortunately, that's not always the case.

If you do have a Klonopin addiction, it's important to identify that. However, first you need to know how long Klonopin lasts in the body.

How Long Does Clonazepam Stay in the System?

Clonazepam is the active ingredient found in Klonopin. This is the drug's generic name. If you're wondering how long Klonopin stays in the body, it's important to understand what half-life means.

A drug's half-life is how long it takes for half of the drug to leave the body. By doing a simple calculation, it's possible to determine how long all of it will be eliminated. For Clonazepam, its half-life is between 30 and 40 hours long. When you do the math, it can take between six and nine days for one single dose of Klonopin to be eliminated.

There can be some exceptions to this rule, however. Some experts believe that it can take as long as 14 days to leave the body. This is going to be different for everyone, and it's based on a number of factors. We'll go over those in a minute.

Levels of Klonopin peak in the blood between 1 and 2 hours after the last dose has been taken. It may be possible to detect a smaller amount of Klonopin prior to this time. A blood test may be the easiest way to detect the drug in the bloodstream. This method is commonly used in hospitals and other medical settings.

Because of Klonopin's longer half-life, it is detectable in the blood for a long period of time. Very sensitive tests may be able to find trace amounts of it for a few weeks.

Klonopin can be detected in the urine very quickly. In this way, this test is similar to blood tests. However, this method is usually preferred because it's much easier. Once someone has taken a single dose of Klonopin, it may show up in urine for more than a month.

Urine tests are excellent at detecting Klonopin use. They can be very helpful for rehab facilities that only see patients periodically.

Saliva testing has shown to be a great alternative to urine testing in some cases. In the event of acute intoxication or abuse, a saliva test for Klonopin is effective. The drug will be detected in the saliva very quickly. It will also remain positive for up to six days after the last dose has been taken.

Hair tests for Klonopin can be inaccurate. This is because it takes a longer period of time for the drug to show up in the hair. However, when it is necessary to test for long-term Klonopin use, hair tests are excellent.

For someone who has used Klonopin within the last four months, a hair test will show a positive result. However, this type of test might not be good for more recent uses of the drug. It can take as long as several weeks before the drug becomes evident in the test results.

Once Clonazepam has been taken, there are some different factors that influence elimination. These are different for everyone. This is why there really can't be hard and fast rule about how long Klonopin lasts.

The following are all factors that need to be considered:

  • Someone's age. Older adults take longer to metabolize drugs like Klonopin.
  • Someone's weight or body fat index. An overweight individual will take longer to process the drug.
  • Someone's genetics. Many genetic factors play a key role in eliminating Klonopin from the body.
  • Someone's food intake: Recent food intake along with Klonopin can inhibit absorption.
  • Someone's pH level in their urine. When an individual has acidic urine, Klonopin is eliminated from the body much faster.

Klonopin Abuse is the Precursor to Addiction

Klonopin abuse is the very beginning of an addiction to this dangerous drug. However, it doesn't have to end in addiction. You should learn whether or not you are abusing Klonopin, or whether it has progressed.

If you are a Klonopin abuser, you are probably taking more of the drug than you should. You may be crushing pills, or you could be taking doses too closely together. However, you don't feel as though you need Klonopin. Maybe you just started using the drug, and the dosage you were given doesn't feel right to you. If so, you are a Klonopin abuser.

If you have a Klonopin addiction, the situation is much different.

Klonopin Withdrawal Symptoms & Experience

What is Klonopin Addiction?

A Klonopin addiction is defined by someone who feels a need to use Klonopin. Addicts will frequently create rituals around their Klonopin use. They may use at the same time every day, and feel strange if they're not using. If they run out of the drug, they panic. It feels as though it's something they desperately need in their lives.

When going off Klonopin, addicts will also go through withdrawal symptoms. These usually begin relatively mildly, and then they progress in severity. Klonopin withdrawal can include:

  • The return of anxiety
  • Hallucinations
  • Problems sleeping at night
  • Becoming very irritable
  • Having panic attacks

Are You a Klonopin Addict?

The question you're wondering now is, how do I know if I'm a Klonopin addict? You can begin by look at some of the symptoms of Klonopin addiction. These include:

  • The sudden onset of depression
  • Having panic attacks
  • Becoming mentally confused
  • Having blurry vision
  • Experiencing hallucinations
  • Aggressive behaviors

If you have noticed any of these signs of Klonopin addiction, you may be a Klonopin addict. If you are, getting the help you need is crucial for you to recover.

Take an Addiction Quiz to Get More Information

Maybe you've noticed many of the above signs of Klonopin addiction. However, you're still not convinced. You know you shouldn't be using Klonopin the way that you are. It just doesn't feel like an addiction to you.

This is actually quite typical. Many people don't feel like they're addicts when they really are. You can take an addiction quiz to get some more information. This quiz will ask you several questions about your substance abuse patterns. You'll simply answer the questions, and you'll immediately be directed toward your results.

No matter which method you choose, finding out the truth is important. It may scare you to think of being addicted to a prescription drug like Klonopin. However, you have to know what's going on so you'll know how to respond properly.

Klonopin Rehab and Treatment Provides an Escape from Addiction

If you believe you have an addiction to Klonopin, going to a Klonopin rehab is the best solution. This will offer you support as you go through this difficult time. Also, you'll have the opportunity to discover why you became addicted to Klonopin.

This is important. Many people have co-occurring disorders that actually drive their addictions. They just don't know they have them. For you, it's possible that your anxiety is what has led to your Klonopin addiction. You could have other issues plaguing you as well. Learning what they are can help you pave the way to recovering.

Here at Northpoint Washington, we see Klonopin addiction all the time. Our Klonopin treatment services are available to provide you with personalized treatment. Our approach is much different than other treatment centers. We focus on you and your needs. This method has resulted in success for so many of our patients.

Did we answer your question, how long does Klonopin last in the body accurately? Do you have additional questions about Klonopin rehab? Contact us today so we can help you.

  • (2016). How Long Does Klonopin (Clonazepam) Stay in Your System?. Retrieved from:
  • (7, June 2017). Clonazepam. Retrieved from:
  • (2014). Klonopin (Clonazepam) Withdrawal Symptoms + Timeline. Retrieved from: