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Re: Lamictal and pre-employment drug screen psychic

Posted by Emme on August 25, 2005, at 7:48:30

In reply to Lamictal and pre-employment drug screen, posted by psychic on August 24, 2005, at 10:41:04

Not exactly a drug with abuse potential. Nor are its metabolites. :)

I found the following list at

Drug Detection Time

Alcohol 6-24 hours
Amphetamines 2-3 days
Barbituates 1 day to 3 weeks
Benzodiazepines 3-7 days
Cocaine 2-5 days
Codeine 3-5 days
Euphorics (MDMA, Ecstasy) 1-3 days
LSD 1-4 days
Marijuana (THC) 7-30 days
Methadone 3-5 days
Methaqualone 14 days
Opiates 1-4 days
Phencyclidine (PCP) 2-4 days
Steroids (anabolic) 14-30 days
Metabolites (from the prescribing info):

Drug Disposition: Lamotrigine is metabolized predominantly by glucuronic acid
conjugation; the major metabolite is an inactive 2-N-glucuronide conjugate. After oral
administration of 240 mg of 14C-lamotrigine (15 μCi) to six healthy volunteers, 94% was
recovered in the urine and 2% was recovered in the feces. The radioactivity in the urine
consisted of unchanged lamotrigine (10%), the 2-N-glucuronide (76%), a 5-N-glucuronide
(10%), a 2-N-methyl metabolite (0.14%), and other unidentified minor metabolites (4%).

If you do a google search, you will probably find other sources for the lists of commonly screened drugs. Good luck.


> I amcurrently taking 25 mg Lamictal and will soon increase it to 50 mg. I will be going for a pre-employment drug screen soon. Does Lamictal test positive in these drug screens ?




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