How long does prednisone stay in your system?

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Official answer

by Drugs.com

You could expect a dose of prednisone to stay in your system for 16.5 to 22 hours.

The elimination half life of prednisone is around 3 to 4 hours. This is the time it takes for your body to reduce the plasma levels by half. It usually takes around 5.5 half lives for a drug to be completely eliminated from your system.

Other factors that can cause variation to the elimination time include:

  • How much and how often you have taken the drug.
  • Your metabolic rate – a slower metabolism will increase the time a drug remains in your system.
  • Your age and health – older age and poor health will generally increase the time the drug stays in your system.
  • Body mass – generally the bigger you are the longer a drug will remain in your system.

    • For more information see: https://www.drugs.com/ppa/prednisone.html

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