Get Virtual Care
For Businesses
About Us
A member asked:
How long does marijuana stay in your system when a blood test is done for detection? i used to smoke but quit a week ago. now i find out i have a test
4 doctors weighed in across 3 answers
About 1 month: It depends what exactly is being looked for but they frequently look for metabolites (breakdown products) of the drugs. Best thing to do is to tell the truth. Nixon and others were caught caught by the cover up not their crimes!!
Answered 8/5/2020
1.9k views
Depends..: In Blood, active THC can show up for 24-48hrs at most, but inactive THC-COOH can show up for several days in blood if person was a heavy daily user. Here is a good resource: http://www.canorml.org/healthfacts/drugtestguide/drugtestdetection.html#blood
Answered 4/11/2017
1.9k views
Probably not a blood: test, since they are more expensive and actually do not give better information than a urine test. If you were regularly smoking marijuana, urine tests can remain positive for a month or more, because the metabolites are long-lasting and THC is also stored in body fat and slowly released. Products to hasten excretion or hide it DO NOT WORK. Honesty is your best policy.
Answered 11/4/2016
1.5k views
Related Questions
A member asked:
I have a spider bite and need to see a doctor. I smoked marijuana 3 days ago. Will they test my blood and will the THC show up?
A doctor has provided 1 answer
A member asked:
Is it safe to smoke medical marijuana before a routine blood test?
5 doctors weighed in across 2 answers
A member asked:
Smoked marijuana for the first time March 7th.. Took about 5 hits and did not get high at all. Will it show up in urine or blood test?
A doctor has provided 1 answer
A member asked:
I quit smoking I have 5 months without smoking marijuana and 50 days without meth will any specialized lab urine or blood come test up positive?
A doctor has provided 1 answer
A member asked:
I got blood draw and it was to test if I was allergic to gluten and I was wondering since I smoke marijuana if it come back on the test?
3 doctors weighed in across 2 answers
People also searched for:
A patient @ work who i came in contacted tested +tb n now work asked for tb blood test to detect .I smoke marijuana.Will it show in tb blood test?..
If someone smoked marijuana 2 weeks ago would they be able to pass a blood test?
How long does it take marijuana to get out of system for blood test?
I smoked marijuana last week and I'm breastfeeding, my baby had blood drawn today to check for illness will it show up in the test ?
Does marijuana affect STD test results? If i smoke it on a daily basis stds, blood tests
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Download HealthTap
Video visit and message your doctor
