Vicodin has a half life of around 4 hours. This means that every 4 hours the amount of vicodin in your system is reduced by half.
It takes roughly 6 half lives for a drug to be eliminated from your system.
Other factors also play a role in eliminating a drug from your system.
1. How much and how often you have taken the drug.
2. Your metabolic rate – a slower metabolism will increase the time a drug remains in your system.
3. Your age and health – older age and poor health will generally increase the time the drug stays in your system.
4. Body mass – generally the bigger you are the longer a drug will remain in your system.
You should allow up to 5 days to clear Vicodin from your system.
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