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05/18/2010 04:45 PM

How long does Klonopin last?

Posts: 11


I've been looking all over for an answer. 2 hours? 6 hours? Just trying to space them out effectively.


- Mark


05/18/2010 05:54 PM
Posts: 12

Well I don't take Klonopin but it is the same class of drug as adavan. They are called benzos. Everybody has a different experience. I took one at night and had trouble waking up in morning. Other people on here take up to 7 a day.

You gotta just see what your body does with it. Hang in there!


05/18/2010 07:39 PM
Posts: 2862
Senior Member

I take Klonopin and it isnt a "time release drug" so it doesnt last very long. but every one has different make ups which in turn results in different med effects. I take Klonopin at night to help me calm down and anytime I am going to be socializing or if I know I'm going to get into a stressful situation. It does wear off quick for me though.

05/19/2010 05:48 AM
Posts: 1544
Senior Member

This is the info. i found on the box of the Klonopin sample i recieved from my doc. This is what "Roche Labs" has to say about this product. Everyone will react differently but i hope it helps.

Factual Information Obtained and Confirmed:

Roche Labs manufactures brand name Klonopin. There are several generic Klonopin (clonazepam) manufacturers.

Klonopin is a long duration benzodiazepine (minor tranquilizer) medication used primarily to treat seizures and panic attacks, but is also sometimes prescribed for anxiety disorders or as a supplimental treatment for schizophrenia.

Although Klonopin starts working within the first hour after ingestion, according to the manufacturer, it takes about 1 to 4 hours for peak concentration in the blood to be reached. And it takes about 30 to 40 hours for the system to break down 50% (half-life) of the active ingredient (clonazepam)

Klonopin is initially more potent than Valium (diazepam) but may last a shorter amount of time.

Many claim the shorter duration and greater potency cause the individual to take more pills more often, which can increase the rate of dependence.

07/22/2010 06:50 PM
Posts: 590

This is what my doctor told me when we were discussing xanax vs klodopins. Xanax lasts 4-5 hours whereas klodopins last 8-10 hours. Much longer. Which is why I chose to switch from Xanax to Klodopins. I don't have nearly as many anxiety/panic attacks on the klodopins as I did when I was on xanax. Hope that helps answer your question!

07/22/2010 07:52 PM
Posts: 513

I took Klonopin it is very addictive once you start taking it, I would take .5mg at first and I would be fine all night and sleep through have the morning if I could. Then 5mg was not enough so I started taking 1mg at night and I would sleep better and through all morning. Then I started taking up to 4mg and I would sleep all the time, so be careful and just take it as your dr told you. To me 5mg had me working fine for awhile all nite.

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