In our recent question and also answer, our pharmacist discusses even if it is or no you deserve to take Dayquil v Nyquil.

You are watching: Can you mix nyquil and dayquil



Joe asked

Can ns take Nyquil and Dayquil together?



Short answer: You deserve to take castle Nyquil & Dayquil together, however not at the very same time. In this context, the "sametime" means any time in ~ 4 hrs of one another.

Dayquil Cold & Flu (the most common version) containsthree energetic ingredients: acetaminophen, a pain reliever; dextromethorphan, acough suppressant; and also phenylephrine, a decongestant. Phenylephrine is a mildstimulant, and can do some people jittery, which is much less of a difficulty for daytimeuse. Dayquil does not contain alcohol.

Nyquil Cold & Flu additionally contains three active ingredients:acetaminophen, dextromethorphan, and also doxylamine, one antihistamine pertained to theactive ingredient in Benadryl (diphenhydramine). Doxylamine have the right to make youprofoundly drowsy, for this reason it’s far better suited for nighttime use. Nyquil liquid alsocontains 10% alcohol, for this reason one 30 mL dose includes a similar amount the alcohol asa shoot glass of wine. The liquicaps do NOT contain alcohol.

The labeling top top both assets states not to take an ext than 4doses in 24 hours. This is based mainly roughly the acetaminophen content, whichis 650 mg per dose of one of two people product (a dose of one of two people product is 30 mL or 2liquicaps)

Acetaminophen, a an extremely common pain and also fever reducer (foundin Tylenol, for example), is broken down in the liver after you’ve 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 also getting rid of it. This process, however,has a restricted capacity, and once that capacity runs out, the toxicity byproductcan develop up and cause serious liver damages (like, transplant-level, in seriouscases).

That limit in a healthy, 150 lb human being is roughly 4000 mg perday of paracetamol from every sources, including pain relievers, prescriptionproducts, cough/cold/flu medications. But for some human being the limit may belower. To store yourself fine in the clear, It’s finest to take only the lowestamount necessary, and also stay about 3000 mg/day maximum. If you have liverimpairment or chronic diseases, talk to your doctor before using acetaminophenin any kind of amount.

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Four doses of Dayquil or Nyquil would deliver 2600 mg ofacetaminophen per day, therefore you deserve to see how easily your daily dose adds up. Youdon’t need to be fear of the drug, but you do have to be smart and also read yourlabels for all her medications. Youshould likewise avoid drinking greatly (or ideally, at all) while usingacetaminophen, an interpretation more than 2 drinks/day for men, 1 drink/day for women.

There you have it. A great place to start if you want to useboth products might be two doses of Dayquil and one sheep of Nyquil daily. Ifyou need additional relief, you could instead take it 3 doses of Dayquil, 1 doseof Nyquil, or two and also two…whatever helps you prevent nighttime sleeplessness ordaytime drowsiness. Simply be sure to constantly wait at least 4 hours in between anydose of these products. Many thanks for her question!

PS: If you’re taking the fluid form, usage the dosing cup to measure 30 mL. Your cereal spoon is notaccurate!