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Does Warfarin interact with Nyquil?

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Posted on Fri, 4 Dec 2015
Question: I take warfarin and would like to know if I can take Nyquil cold & flu medicine?
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Answered by Dr. Ilir Sharka (43 minutes later)
Brief Answer:
I would explain as follows:

Detailed Answer:
Hello!

Thank you for asking on HCM!

Regarding your concern I would explain that this medical formulation contains acetaminophen and two other substances ( antihistamine) which help relieve the flu symptoms.

The only possible interaction between warfarin and this medical formulation regards acetaminophen.

Acetaminophen, like other nonsteroidal antiinflammatory drugs can increase the effects of warfarin , but it is not contraindicated to take acetaminophen while on warfarin therapy.

Have you ever tried acetaminophen as a painkiller while on warfarin?

If you have already tried this combination without any adverse effects, there is nothing to worry about.

You can take Nyquil cold &flu, but you should be careful to monitor for any possible bleeding phenomena.

Hope to have been helpful!

Feel free to ask any other questions whenever you need!

Greetings!

Dr.Iliri
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Ilir Sharka

Cardiologist

Practicing since :2001

Answered : 8990 Questions

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Does Warfarin interact with Nyquil?

Brief Answer: I would explain as follows: Detailed Answer: Hello! Thank you for asking on HCM! Regarding your concern I would explain that this medical formulation contains acetaminophen and two other substances ( antihistamine) which help relieve the flu symptoms. The only possible interaction between warfarin and this medical formulation regards acetaminophen. Acetaminophen, like other nonsteroidal antiinflammatory drugs can increase the effects of warfarin , but it is not contraindicated to take acetaminophen while on warfarin therapy. Have you ever tried acetaminophen as a painkiller while on warfarin? If you have already tried this combination without any adverse effects, there is nothing to worry about. You can take Nyquil cold &flu, but you should be careful to monitor for any possible bleeding phenomena. Hope to have been helpful! Feel free to ask any other questions whenever you need! Greetings! Dr.Iliri