, 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.
The typical starting dose for Celexa prescribed is 20 mg once a day taken in the morning or evening. After one week, the dose may be increased to 40 mg. Studies indicate that increasing the dose to 60 mg doesnât have any difference in effectiveness as compared to 40 mg.