Allegra Half Life at Life

Allegra Half Life. If you don't know the half life of the drug, take a look at our table below. You should be sure to drink plenty of water and watch for signs of constipation and dehydration.

The oral clearance of fexofenadine is approximately 50.6 l/h and the renal clearance is approximately 4.32 l/h. Your doctor should be able to help you with your questions on this. I have known several people who took 3 zyrtec in one day, and my allergist says that you can't really od on antihistimines.

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How long does allegra 24 hour stay in your system? I have known several people who took 3 zyrtec in one day, and my allergist says that you can't really od on antihistimines. Human mass balance studies documented a recovery of approximately 80% and 11% of the [ 14 c] fexofenadine hydrochloride dose in the feces and urine, respectively. I looked for research and couldn’t find it.