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Can One Take Tylenol Two Nights Before Colonoscopy?

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Posted on Sun, 10 Sep 2017
Twitter Sun, 10 Sep 2017 Answered on
Twitter Tue, 3 Oct 2017 Last reviewed on
Question : can i take tylenol pm two nights beforee my colonoscopy
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Answered by Dr. Bonnie Berger-Durnbaugh (14 minutes later)
Brief Answer:
Ok to take Tylenol.

Detailed Answer:
Hello and welcome,

It should be ok to take 2 Tylenol PM in advance of a colonoscopy. Tylenol PM contains acetaminophen (pain and fever reducer) and diphenhydramine (the sedating antihistamine that is in Benadryl).

Whenever taking Tylenol in any form, do avoid any alcohol though as the combination is hard on the liver.

Before a procedure, generally NSAIDs such as ibuprofen and naproxen should be avoided, but acetaminophen (Tylenol) is generally ok. And the diphenhydramine should be out of your system by the time you have the procedure. Unless for some reason you are specifically told not to, which should be in the clinic or hospital's patient instructions.

I hope this information helps. Please let me know if I can provide further information.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Bonnie Berger-Durnbaugh

General & Family Physician

Practicing since :1991

Answered : 3133 Questions

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Can One Take Tylenol Two Nights Before Colonoscopy?

Brief Answer: Ok to take Tylenol. Detailed Answer: Hello and welcome, It should be ok to take 2 Tylenol PM in advance of a colonoscopy. Tylenol PM contains acetaminophen (pain and fever reducer) and diphenhydramine (the sedating antihistamine that is in Benadryl). Whenever taking Tylenol in any form, do avoid any alcohol though as the combination is hard on the liver. Before a procedure, generally NSAIDs such as ibuprofen and naproxen should be avoided, but acetaminophen (Tylenol) is generally ok. And the diphenhydramine should be out of your system by the time you have the procedure. Unless for some reason you are specifically told not to, which should be in the clinic or hospital's patient instructions. I hope this information helps. Please let me know if I can provide further information.