, decay series. The series of isotopes that some radioactive elements change into as they undergo radioactive disintegration. The last element in the series is often a stable element (i.e., it is nonradioactive).
Making the world better, one answer at a time. Celexa has a 36 hour half life...meaning it will take 36 hours for 50% of the drug to leave your system and another 36 hours for it to be fully out of your system.Read more at the Related Link.f you were to smok â¦ e marijuana every day for a month, it would take approximately one month for the THC to get out of your system. On the flip side, if you only smoked a few times and quit, it take around two weeks or so.
How long does it take for Lortab to get out of your system? As explained by Merck, the time needed for a drug to be excreted out of the system is determined by its half-life and the administered dose. According to Drugs.com, a 10/500 mg dose of the pain relief drug Lortab is out of the system within 24 hours after use.