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How Long Does Cannabis Stay in Your System?

How Long Does Cannabis Stay in Your System?

Table of Contents

Cannabis remains detectable in the body for varying periods depending on several key factors, with different testing methods showing distinct detection windows. The duration is primarily influenced by how the body processes THC, the main psychoactive component in cannabis.

Detection Windows by Test Type

Blood Testing
THC remains detectable in blood for relatively short periods, typically 3-4 hours after use in infrequent users. For frequent users, detection may extend to 4-8 hours, with metabolites potentially detectable for up to two weeks.

Urine Testing

Urine tests provide the most common detection method, with varying windows based on usage patterns:

  • First-time users: 1-3 days
  • Occasional users: 5-7 days
  • Regular users: 10-15 days
  • Heavy users: 30+ days

    Saliva Testing

    Oral fluid tests can detect cannabis for 24-72 hours after use. Some specialized tests may detect THC from edibles for up to 44 hours.

    Hair Testing

    Hair follicle tests offer the longest detection window, up to 90 days after use. However, these tests may occasionally show false positives due to environmental exposure.

Factors Affecting Detection Time

Usage Patterns

The frequency and amount of cannabis consumption significantly impact detection times. Regular users retain THC longer due to accumulation in fatty tissues.

Body Composition

THC is fat-soluble, meaning individuals with higher body fat percentages may retain the compound longer. This factor particularly affects long-term detection rates.

Metabolism

Individual metabolic rates significantly influence how quickly the body processes and eliminates THC. Faster metabolism generally results in shorter detection windows.

THC Processing in the Body

When cannabis enters the system, the liver breaks it down into metabolites1. Approximately:

  • 65% exits through stool
  • 20% through urine
  • 15% remains temporarily in the bloodstream

    Special Considerations

    Edibles

    While absorption is slower with edibles, detection windows remain similar to smoked cannabis:

  • Urine: 3-30 days
  • Blood: 1-2 days
  • Saliva: 1-3 days
  • Hair: Up to 90 days

    Synthetic Cannabis

    Synthetic cannabinoids show different detection patterns, typically remaining detectable for:

  • Up to 72 hours in urine
  • 24-48 hours in saliva


Ready to Take Control of Your Health?

If you’re concerned about how cannabis use might be affecting your health or are navigating challenges related to its detection in your system, we’re here to help. At Asana Recovery, our team of compassionate experts provides personalized guidance and support tailored to your unique situation. Don’t let unanswered questions or uncertainties hold you back—contact us today to learn more about our treatment programs and take the first step toward better health and well-being.

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