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What Is The Half Life Of Effexor XR And Prozac?

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Posted on Tue, 25 Oct 2016
Question: what is the 1/2 life of Effexor xr,trazodone ,Prozac ,kolonopin ?
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Answered by Dr. Michelle Gibson James (30 minutes later)
Brief Answer:
different range of half lives

Detailed Answer:
HI, thanks for using healthcare magic

Effexor xr is transformed into an active metabolite/form in the liver. This approximate half life of the drug (the active metabolite)is 11 plus/minus 2 hours according to the FDA and other medical sources.
This would be prolonged with liver or kidney disease.

trazadone has a half life of 7 to 10 hours

The half life of prozac would be influenced by how long it has been used.
If it was recently started the half life would be 1 to 3 days, if it has been used for a long period, the half life would be 4 to 6 days.

Klonopin has a half life of 17 to 60 hours in adults

I hope this helps, feel free to ask any other questions

Note: For further guidance on mental health, Click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Michelle Gibson James

General & Family Physician

Practicing since :2001

Answered : 16808 Questions

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What Is The Half Life Of Effexor XR And Prozac?

Brief Answer: different range of half lives Detailed Answer: HI, thanks for using healthcare magic Effexor xr is transformed into an active metabolite/form in the liver. This approximate half life of the drug (the active metabolite)is 11 plus/minus 2 hours according to the FDA and other medical sources. This would be prolonged with liver or kidney disease. trazadone has a half life of 7 to 10 hours The half life of prozac would be influenced by how long it has been used. If it was recently started the half life would be 1 to 3 days, if it has been used for a long period, the half life would be 4 to 6 days. Klonopin has a half life of 17 to 60 hours in adults I hope this helps, feel free to ask any other questions