Astatine is a very rare radioactive chemical element with the chemical symbol At and atomic number 85. It occurs on Earth as the decay product of various heavier elements.statine is a very rare radioactive chemical element with the chemical symbol At and atomic number 85. It occurs on Earth as the decay product of various heavier elements.
Although no longer used to treat depression, an older antidepressant called trazodone (generic only) has a side effect can prednisone thin your blood of causing drowsiness. As a result, it is widely prescribed for insomnia?â¬especially for people who have been diagnosed with both depression and insomnia.
How long does trazodone stay in your system after you stop taking it? The half life is 3-9 hours-so 6-18 total for it to get out of your system. How ever if you have been on it for a while, it can be stored in your fat, but should leave your sysâ¦tem in about 3 days.