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

You are watching: Can you take dayquil and nyquil



Joe asked

Can i take Nyquil and Dayquil together?



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

Dayquil Cold & Flu (the most common version) containsthree active ingredients: acetaminophen, a pain reliever; dextromethorphan, acough suppressant; and also phenylephrine, a decongestant. Phenylephrine is a mildstimulant, and can make some human being jittery, i beg your pardon is less of a difficulty for daytimeuse. Dayquil does not contain alcohol.

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

The labeling on both assets states no to take an ext than 4doses in 24 hours. This is based mainly about the acetaminophen content, whichis 650 mg every dose of one of two people product (a sheep of one of two people product is 30 mL or 2liquicaps)

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

That limit in a healthy, 150 lb human being is around 4000 mg perday of paracetamol from all sources, including pain relievers, prescriptionproducts, cough/cold/flu medications. However for some civilization the limit might belower. To store yourself well in the clear, It’s best to take just the lowestamount necessary, and stay around 3000 mg/day maximum. If you have liverimpairment or chronic diseases, speak to her doctor before using acetaminophenin any kind of amount.

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Four sheep of Dayquil or Nyquil would provide 2600 mg ofacetaminophen every day, therefore you have the right to see how conveniently your everyday dose to add up. Youdon’t have to be afraid of the drug, but you do need to be smart and also read yourlabels for all your medications. Youshould additionally avoid drinking heavily (or ideally, at all) when usingacetaminophen, an interpretation more than 2 drinks/day for men, 1 drink/day because that women.

There you have it. A great place to start if you desire to useboth commodities might be two doses the Dayquil and one sheep of Nyquil daily. Ifyou need added relief, you can instead take 3 sheep of Dayquil, 1 doseof Nyquil, or two and two…whatever helps you prevent nighttime sleeplessness ordaytime drowsiness. Just be sure to constantly wait at least 4 hours between anydose of these products. Thanks for your question!

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