Doctor insights on:
How Long Does Marijuana Stay In Your Blood For
A few hours: It is broken down into other products within a few hours. These can be stored in fat and then released into the body and urine for weeks or longer depending on how much and how often you use. ...Read more
Up to weeks: The stuff also enters fat cells and may stay detectable for a long time especially if you're burning fat. One of the ironies of mandatory drug testing is that drug-users know marijuana stays detectable longer than the far more dangerous illegal drugs, so on friday night people decide to use intoxicants that are far more likely to do harm. Why not be "high on life" for now? ...Read more
One Month: For a heavy user up to one month, rarely longer. Thc really doesn't stay in the blood stream, rather-it is stored in fat and is considered fat soluble. In fact, that is why it can take so long to get out of the body. The thc has to get out of the fat cells. It does depend upon, as one colleague has noted, the frequency of the use as well as the potency of the drug. ...Read moreSee 1 more doctor answer
I have to get blood taken for my physical and I am a frequent smoker of both tabacco and marijuana, will this effect the results i smoked about an hour ago
Depends: Drugs are rarely looked for in blood tests - the preferred testing is of urine. Doctors usually do not do drug testing for a routine physical, and if they were, they would get urine either instead of or in addition to blood. It is never the wrong time to quit smoking, especially of tobacco, and you need to consider whether the marijuana is a problem as well. Talk to your doctor. ...Read moreSee 1 more doctor answer
Probably, however...: As my colleague dr. Pappas mentions, marijuana is almost always tested in urine rather than blood, so someone would almost certainly pass a blood test but is more likely to face a urine test. If one does not smoke it regularly and only used a bit 2 weeks ago they would probably pass a urine test, but if they are a regular smoker who only stopped 2 weeks ago they might not pass it. ...Read moreSee 1 more doctor answer
We won't look: Even if you believe our marijuana laws are wise, nobody cares whether there is a little bit of the stuff in blood for transfusion. It is hard enough to get people to donate blood at all without their having to be busted for weed as a result. Thanks for your being willing to donate blood, and don't worry about our "war on drugs" in the privacy of a blood donation. ...Read more
How can I get marijuana out of my blood and urine fast because im in the process of joining the military?
This is serious: Do you plan to keep using? If so, i don't know if i would feel secure with the knowledge that you could potentially be carrying weapons. ...Read moreSee 1 more doctor answer
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