How Long Does Cannabis Stay in Your System?
Cannabis clears urine in 3 days for casual users and 30+ days for daily users. Blood takes 1 to 2 days, saliva 1 to 3 days, hair up to 90 days.
Cannabis Detection Times by Fluid
Urine tests typically detect THC for 3-30 days, blood for 1-7 days, hair for 90+ days, and saliva for 24-72 hours. Heavy users may extend these windows significantly. Factors like frequency, dosage, and metabolism influence detection periods.
Urine Testing
Most urine tests screen for THC metabolites. Occasional users detect in 3-5 days. Chronic users may test positive for weeks.
How Long Does THC Stay in Your System After Quitting?
Blood Testing
Blood tests find THC faster but detect shorter periods. Athletes and frequent users notice shorter windows due to active THC presence.
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Hair Testing
Hair tests reveal long-term use. Shed hairs accumulate THC over months, making them ideal for chronic cases.
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Saliva Testing
Saliva tests detect recent use. Ideal for workplace or post-accident screening. Effects last less than a day in light use.