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how long does klonopin last

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Klonopin (clonazepam) affects you in two main ways:

  • Length of its effects: You'll typically feel the calming effects of Klonopin within 30-60 minutes of taking it. These effects can last for 6 to 12 hours, depending on the dosage and individual factors.

  • How long it stays in your system: Klonopin has a half-life between 18 and 50 hours. A half-life refers to the time it takes for half of the amount of the drug to be eliminated from your body. So, it can take several days for Klonopin to be completely eliminated from your system. Here's a breakdown:

    • After 18-50 hours: Roughly half of the dose is eliminated.
    • After 36-100 hours: Around 75% of the dose is eliminated.
    • It can take up to 6 days for Klonopin to be undetectable in some people.

Here's a table summarizing the key points:

Aspect Timeframe Description
Feeling the effects 30-60 minutes Klonopin's calming effects typically start within this timeframe.
Duration of effects 6-12 hours The calming effects can last for this period depending on dosage and individual factors.
Half-life 18-50 hours Half of the dose is eliminated from your body within this timeframe.
Complete elimination Up to 6 days It can take this long for Klonopin to be undetectable in some people.

Important considerations:

  • These are general timeframes, and the actual duration of Klonopin's effects can vary depending on factors like your:
    • Age
    • Weight
    • Metabolism
    • Overall health
    • Dosage
  • Klonopin is a prescription medication, and you should only take it as directed by your doctor. Never take more than the prescribed dose or use it for longer than intended.
  • Abruptly stopping Klonopin can cause withdrawal symptoms. If you're considering stopping Klonopin, it's crucial to consult your doctor about a safe tapering plan.

If you have any questions or concerns about Klonopin, it's important to talk to your doctor.

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