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Can DayQuil And NyQuil Be Taken After A Gap Of 4 Hours?

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Posted on Tue, 6 Dec 2016
Question: My son 20 yrs old, 200lbs 6'1" too a dose of DayQuil at 4:30 pm. Will it be safe for him to take a dose of NyQuil at 8PM?
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Answered by Dr. Michelle Gibson James (31 minutes later)
Brief Answer:
yes, can be used, most dayquil types used after 4 hours

Detailed Answer:
Hi, thank for using healthcare magic

There are different types of dayquil- dayquil cough, dayquil cold and flu, dayquil severe cold and flu , dayquil mucus control dm, dayquil sinex.
They contain a different combination of ingredients.

Dayquil cough is used every 6 hours but the other types can be used every 4 hours, this means that since 3:30 hours would have passed from 4:30 to 8, it would essentially be safe for him to use the nyquil.

Nyquil contains similar ingredients to dayquil, the difference being doxylamine.

I hope this helps, feel free to ask any other questions
Note: For more detailed guidance, please consult an Internal Medicine Specialist, with your latest reports. 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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Can DayQuil And NyQuil Be Taken After A Gap Of 4 Hours?

Brief Answer: yes, can be used, most dayquil types used after 4 hours Detailed Answer: Hi, thank for using healthcare magic There are different types of dayquil- dayquil cough, dayquil cold and flu, dayquil severe cold and flu , dayquil mucus control dm, dayquil sinex. They contain a different combination of ingredients. Dayquil cough is used every 6 hours but the other types can be used every 4 hours, this means that since 3:30 hours would have passed from 4:30 to 8, it would essentially be safe for him to use the nyquil. Nyquil contains similar ingredients to dayquil, the difference being doxylamine. I hope this helps, feel free to ask any other questions