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Does Sudafed Interact With NyQuil?

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Posted on Fri, 3 Nov 2017
Question: I took sudafed 24 hours at 9am. Can I take regular NyQuil 12 hours later?
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Answered by Dr. Panagiotis Zografakis (30 minutes later)
Brief Answer:
which nyquil?

Detailed Answer:
Hello,

sudafed contains a decongestant only. Nyquil may contain different ingredients depending on the formulation used. There are some nyquil formulations with decongestants and other formulations without decongestants. You'd better avoid taking both if a decongestant is included (like in nyquil D, nyquil severe cold and flu, nyquil sinus to name some formulations). The decongestant is usually either phenylephrine or pseudoephedrine.

I hope you find this information helpful!
Kind Regards!
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Panagiotis Zografakis

Internal Medicine Specialist

Practicing since :1999

Answered : 3791 Questions

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Does Sudafed Interact With NyQuil?

Brief Answer: which nyquil? Detailed Answer: Hello, sudafed contains a decongestant only. Nyquil may contain different ingredients depending on the formulation used. There are some nyquil formulations with decongestants and other formulations without decongestants. You'd better avoid taking both if a decongestant is included (like in nyquil D, nyquil severe cold and flu, nyquil sinus to name some formulations). The decongestant is usually either phenylephrine or pseudoephedrine. I hope you find this information helpful! Kind Regards!