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How Long Does Norco Stay in Your System

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  • 8th December 2023

What is Norco

Norco is used to treat moderate to severe pain, with a combination of hydrocodone and paracetamol (acetaminophen).



How long does Norco stay in your system

Half-lives of Norco ingredients:

  • Hydrocodone half-life – 3.8 hours
  • Acetaminophen half-life – Up to 4 hours

Thus it would take approximately 21 hours for hydrocodone and 22 hours for acetaminophen within Norco to be eliminated from the system, keeping in mind the 5.5 half-life thumb rule.

However, bear in mind, that this may vary depending on your age, metabolic rate, health conditions, urinary pH, how long you have taken the drug, its dosage, etc.

How long is Norco detectable in a urine, blood, saliva or hair drug test

Urine 2-4 days
Blood 24 hours
Saliva 4 days
Hair 90 days

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