In our recent question and answer, ours pharmacist discusses even if it is or not you deserve to take Dayquil through Nyquil.

You are watching: Dayquil and nyquil at the same time


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Joe asked

Can i take Nyquil and also Dayquil together?

Answer

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Short answer: You have the right to take lock Nyquil & Dayquil together, yet not at the exact same time. In this context, the "sametime" way any time in ~ 4 hours of one another.

Dayquil Cold & Flu (the most typical version) containsthree energetic ingredients: acetaminophen, a ache reliever; dextromethorphan, acough suppressant; and phenylephrine, a decongestant. Phenylephrine is a mildstimulant, and can do some world jittery, i beg your pardon is much less of a difficulty for daytimeuse. Dayquil does no contain alcohol.

Nyquil Cold & Flu also contains three active ingredients:acetaminophen, dextromethorphan, and also doxylamine, one antihistamine pertained to theactive ingredient in Benadryl (diphenhydramine). Doxylamine deserve to make youprofoundly drowsy, so it’s much better suited because that nighttime use. Nyquil fluid alsocontains 10% alcohol, therefore one 30 mL dose consists of a comparable amount that alcohol asa shoot glass the wine. The liquicaps execute NOT contain alcohol.

The labeling ~ above both commodities states not to take more than 4doses in 24 hours. This is based mainly roughly the paracetamol content, whichis 650 mg per dose of one of two people product (a dose of either product is 30 mL or 2liquicaps)

Acetaminophen, a very common pain and fever reducer (foundin Tylenol, because that example), is broken down in the liver after did you do it taken it. Oneof the chemicals it’s damaged down into is toxicity to the liver, yet the human body hasa procedure for making that non-toxic and getting rid the it. This process, however,has a minimal capacity, and once that volume runs out, the toxic byproductcan develop up and also cause severe liver damage (like, transplant-level, in seriouscases).

That border in a healthy, 150 lb human being is around 4000 mg perday of paracetamol from every sources, consisting of pain relievers, prescriptionproducts, cough/cold/flu medications. However for some world the limit might belower. To save yourself fine in the clear, It’s finest to take only the lowestamount necessary, and stay approximately 3000 mg/day maximum. If you have actually liverimpairment or chronic diseases, speak to your doctor prior to using acetaminophenin any type of amount.

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Four sheep of Dayquil or Nyquil would supply 2600 mg ofacetaminophen per day, therefore you deserve to see how quickly your daily dose add to up. Youdon’t need to be fear of the drug, yet you do need to be smart and read yourlabels because that all your medications. Youshould additionally avoid drinking heavily (or ideally, at all) while usingacetaminophen, meaning more than 2 drinks/day for men, 1 drink/day because that women.

There you have actually it. A good place to begin if you desire to useboth commodities might be 2 doses that Dayquil and one sheep of Nyquil daily. Ifyou need extr relief, you could instead take it 3 doses of Dayquil, 1 doseof Nyquil, or two and two…whatever help you stop nighttime sleeplessness ordaytime drowsiness. Simply be certain to constantly wait at least 4 hours in between anydose of these products. Thanks for your question!

PS: If you’re acquisition the liquid form, use the dosing cup to measure 30 mL. Your cereal spoon is notaccurate!