, 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.
I had to quit Celexa and go back to Prozac. Most of the symptoms disapeared. On a second trial with Celexa-because Prozac seemed to impair my sleep (always a problem on any ADs), Celexa did the same thing but it was even worse the second time around.This time I was ALWAYS sleepy.I even fell asleep head on my desk at the office after a very good 8-9 hours night of sleep.n a second trial with Celexa-because Prozac seemed to impair my sleep (always a problem on any ADs), Celexa did the same thing but it was even worse the second time around. This time I was ALWAYS sleepy. I even fell asleep head on my desk at the office after a very good 8-9 hours night of sleep.