, 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.
Read More. I've been taking Celexa for about 4 months now, and I'm thinking about stopping it. I've gained over 10 pounds, but the worse side effect I'm having is joint and muscle pain. The joint pain is keeping me from doing a lot of things I like or need to do. It started 2-3 months ago....just out of the blue.