Difference nyquil dayquil

With this DayQuil and NyQuil convenience pack, you'll have the cold and flu multi-symptom relief you need on hand, day and night. Helps treat bothersome symptoms like headache, fever, minor aches and pains, sore throat, and cough. Contains acetaminophen. Now available in 25% smaller liquicaps*. Now available in an easy to open bottle†.

Difference nyquil dayquil. The main difference between Dayquil and Nyquil is that Nyquil is intended to be taken at night, while Dayquil is intended to be taken during the day. This is because Nyquil …

Dec 7, 2023 · HealthCentral states that one of the significant differences between NyQuil and DayQuil is that NyQuil is in liquid suspension form and is intended for night time use only, whereas DayQuil has a different chemical structure which does not promote drowsiness, making it ideal for use any time of the day. Another notable difference is that NyQuil contains an antihistamine whereas DayQuil contains ...

Answer. Mucinex and NyQuil are both over-the-counter products that are used to treat symptoms of the cold and flu. However, they contain different active ingredients. Mucinex contains guaifenesin, an expectorant, while NyQuil is a combination ingredient product, containing: So, as a general point, since NyQuil contains more drugs …What is the difference between Alka-Seltzer Plus Severe Cold & Flu and Vicks DayQuil Cold & Flu Relief LiquiCaps? Find out which is better and their overall performance in the painkiller ranking. ... Vicks NyQuil Cold & Flu Nighttime Relief Liquid. vs.Answer. Mucinex and NyQuil are both over-the-counter products that are used to treat symptoms of the cold and flu. However, they contain different active ingredients. Mucinex contains guaifenesin, an expectorant, while NyQuil is a combination ingredient product, containing: So, as a general point, since NyQuil contains more drugs … We would like to show you a description here but the site won’t allow us. DayQuil Cough side effects. Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. DayQuil Cough may cause serious side effects. Stop using DayQuil Cough and call your doctor at once if you have: severe nervousness, confusion; severe dizziness or drowsiness; Dayquil Cold and Flu is a combination of three active ingredients: acetaminophen (an analgesic), dextromethorphan (a cough suppressant), and phenylephrine (a decongestant). Dayquil Cold and Flu helps treat symptoms from the common cold and flu in adults and children. It can relieve stuffy nose, cough, sore throat, headache, aches, and fever. 2 BOTTLES - 1 DAYQUIL/1 NYQUIL 8 FL OZ (236 mL) EACH; TOTAL 16 FL OZ (473 mL) INGREDIENTS AND APPEARANCE. VICKS DAYQUIL NYQUIL BERRY KIDS COLD AND COUGH PLUS chlorpheniramine maleate, dextromethorphan hbr, guaifenesin, phenylephrine hcl kit: Product Information: Product Type: HUMAN OTC …The Klosebuy app is a digital advertising app that geolocates your small business so consumers can find you as soon as you subscribe, and much more. Klosebuy is a digital advertisi...

Dayquil Cold and Flu helps treat symptoms from the common cold and flu in adults and children. It can relieve stuffy nose, cough, sore throat, headache, aches, and fever. Besides Dayquil Cold and Flu, this medication is available under many other brand names and as a generic. It's available as pills and a liquid that's typically taken every 4 ...DayQuil and NyQuil COMPLETE™ + Vicks VapoCOOL Cold & Flu provide fast and effective, all-in-one cold & flu symptom relief, with a cooling flavour sensation that will ripple through your senses. DayQuil COMPLETE + Vicks VapoCOOL relieves nasal congestion and pain, chest congestion, cough due to cold, cough with phlegm, sore throat pain ...When people talk what the fiscal cliff could do to America, they’re usually talking about Wall Street. Higher taxes on companies and workers, dramatic spending cuts, uncertainty ab...DayQuil and NyQuil COMPLETE™ + Vicks VapoCOOL Cold & Flu provide fast and effective, all-in-one cold & flu symptom relief, with a cooling flavour sensation that will ripple through your senses. DayQuil COMPLETE + Vicks VapoCOOL relieves: nasal congestion and pain, chest congestion, cough due to cold, cough with phlegm, sore throat pain ...DayQuil Cough side effects. Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. DayQuil Cough may cause serious side effects. Stop using DayQuil Cough and call your doctor at once if you have: severe nervousness, confusion; severe dizziness or drowsiness;

As you can see from the ingredient list above, the main difference between the two products is that DayQuil Severe Cold & Flu Relief contains guaifenesin while …Like DayQuil, NyQuil contains the analgesic acetaminophen and the cough suppressant dextromethorphan. However, it does not have the nasal decongestant phenylephrine. NyQuil, the nighttime version ...NyQuil is approved for use in adults and children 12 years or older. For these ages, the recommended dosages are the same as for DayQuil capsules and liquid.Nyquil Cold and Flu is a combination medication containing acetaminophen (a pain reliever), dextromethorphan (a cough suppressant), and doxylamine (an antihistamine). It's used to treat cold and flu symptoms, like sore throat, fever, cough, runny nose, sneezing, and aches, in adults and children. Nyquil Cold and Flu is available as pills and a ...

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Indices Commodities Currencies StocksAnswer. Mucinex and NyQuil are both over-the-counter products that are used to treat symptoms of the cold and flu. However, they contain different active ingredients. Mucinex contains guaifenesin, an expectorant, while NyQuil is a combination ingredient product, containing: So, as a general point, since NyQuil contains more drugs …Exploring Dayquil. Dayquil, on the other hand, is a combination medication that provides relief from multiple cold and flu symptoms. Its active ingredients include acetaminophen, a pain reliever and fever reducer, dextromethorphan, a cough suppressant, and phenylephrine, a nasal decongestant. Dayquil comes in liquid or capsule form. Key …Flavored with real honey, Vicks NyQuil SEVERE Honey provides fast, powerful, maximum strength 9-symptom relief to treat coughing, sneezing, stuffy nose, minor body pain, sinus congestion, sinus pressure, sore throat, headache, and fever. Use when you need fast, nighttime relief for your cold symptoms so you can rest. Nothing works faster.Vicks DayQuil and NyQuil Combo Pack, Cold & Flu Medicine, Powerful Multi-Symptom Daytime And Nighttime Relief For Headache, Fever, Sore Throat, Cough, 72 Count, 48 DayQuil, 24 NyQuil Liquicaps 4.8 out of 5 stars 7,581

Taking NyQuil with Zyrtec-D. NyQuil and Zyrtec-D both contain an antihistamine, Doxylamine and Cetirizine respectively (3,4). It is not recommended to take two antihistamines at the same time as one is usually enough to deal with your allergy symptoms. Taking two can increase the risk of additive side effects, like. Nausea. …6.25 mg of doxylamine. 5 mg of phenylephrine. The typical adult dosage of NyQuil Severe is 2 pills or 30 mL by mouth every 4 hours as needed. Don’t take more than 4 doses (8 pills or 120 mL) in 24 hours. It’s important to note that the VapoCOOL version contains 10% alcohol, whereas the other flavors are alcohol free.The main difference between the two is that DayQuil is designed to provide relief from symptoms during the day, while NyQuil is formulated to help you sleep at night. DayQuil contains ingredients such as acetaminophen (a pain reliever/fever reducer), dextromethorphan (a cough suppressant), and phenylephrine (a nasal decongestant).The only difference between NyQuil and ZzzQuil is the addition of two different antihistamines in these meds. NyQuil contains Doxylamine, whereas ZzzQuil contains Diphenhydramine (1,2). Both antihistamines are quite similar in nature and work in the exact same way. In fact, the side effect profiles are also quite similar.We would like to show you a description here but the site won’t allow us.DayQuil/NyQuil Severe Cold and Flu may also be used for purposes not listed in this medication guide. Coricidin HBP Cough & Cold has an average rating of 6.0 out of 10 from a total of 14 ratings on Drugs.com. 54% of reviewers reported a positive effect, while 38% reported a negative effect.nasal congestion. minor aches and pains. headache. sore throat. DayQuil is made for use during the day. Unlike NyQuil, it doesn’t contain the active ingredient doxylamine, which...As you can see from the ingredient list above, the main difference between the two products is that DayQuil Severe Cold & Flu Relief contains guaifenesin while DayQuil Cold and Flu Relief does not. Guaifenesin is an expectorant that helps to thin and loosen mucus. It is sometimes referred to as a 'chest expectorant'.Common side effects of NyQuil include constipation, appetite loss, anxiousness, stomach upset and queasiness, according to Drugs.com. Severe side effects include urinary difficulti...Think your marketing education was complete? Times have changed -- grab a seat! Trusted by business builders worldwide, the HubSpot Blogs are your number-one source for education a...Just one dose starts working fast to relieve 9 of your worst cold and flu symptoms. With this DayQuil and NyQuil SEVERE Combo pack, you'll have the cold and flu multi-symptom relief you need on hand, day and night. Try Vicks DayQuil SEVERE for fast, non-drowsy daytime relief and use Vicks NyQuil SEVERE when you need maximum strength, nighttime ... Dayquil is meant to be taken during the day, while Nyquil is meant to be taken at night. This is because Nyquil contains an ingredient called doxylamine succinate, which can make you drowsy. Dayquil, on the other hand, does not contain this ingredient.

Dayquil is meant to be taken during the day, while Nyquil is meant to be taken at night. This is because Nyquil contains an ingredient called doxylamine succinate, which can make you drowsy. Dayquil, on the other hand, does not contain this ingredient.

Dec 7, 2023 · HealthCentral states that one of the significant differences between NyQuil and DayQuil is that NyQuil is in liquid suspension form and is intended for night time use only, whereas DayQuil has a different chemical structure which does not promote drowsiness, making it ideal for use any time of the day. Another notable difference is that NyQuil contains an antihistamine whereas DayQuil contains ... Dec 12, 2023 · Mucinex may take up to 90 minutes to start working in adults. DayQuil typically starts working about 15–30 minutes after you take a dose. Rosanna Sutherby, PharmD, is a freelance medical writer and community pharmacist with over 20 years of experience in medication review, counseling, and immunization. NyQuil Contains More Ingredients. In addition to the difference in antihistamines, Nyquil contains additional ingredients for the treatment of cough/cold symptoms. ZzzQuil contains diphenhydramine as the only ingredient. It is intended solely for use as a nighttime sleep aid. NyQuil on the other hand contains additional ingredients:Conclusion. When it comes to choosing between Dayquil and Robitussin, there is no one- size-fits-all answer. It depends on your specific symptoms and needs. Dayquil is more suitable for relieving congestion, cough, sore throat, headache, and fever, while Robitussin is better for suppressing cough and relieving chest congestion.The Human Heart - The human heart is a hollow, cone-shaped muscle located between the lungs and behind the sternum (breastbone. Learn about the human heart structure. Advertisement...Vicks DayQuil and NyQuil Severe Cold & Flu; Phenylephrine is also found in other types of products, such as hemorrhoid creams, but was only deemed ineffective as an ingredient in oral form.Vicks DayQuil and NyQuil Severe Combo, Max Strength Cold & Flu Medicine for Fever, Sore Throat, Nasal Congestion - 48 Count $19.97 $ 19 . 97 ($0.28/Count) Get it as soon as Tuesday, Apr 23Conclusion. The main difference between NyQuil and DayQuil is that NyQuil contains an antihistamine, while DayQuil does not. Both medications are meant to be taken when you have a cold or the flu, but they work in different ways. NyQuil is designed to help you sleep, while DayQuil is meant to help you feel more alert.Exact Answer: 4 to 6 hours. Dayquil is a drug that is used to battle the symptoms of cold and flu in an individual. It is a mixture of acetaminophen, dextromethorphan, and phenylephrine. The drug helps assuage symptoms like fever, cough, cold, nasal congestion, headaches, etc. It is used mostly during the day to relieve …

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Like DayQuil, NyQuil contains the analgesic acetaminophen and the cough suppressant dextromethorphan. However, it does not have the nasal decongestant phenylephrine. NyQuil, the nighttime version ...Answer. Mucinex and NyQuil are both over-the-counter products that are used to treat symptoms of the cold and flu. However, they contain different active ingredients. Mucinex contains guaifenesin, an expectorant, while NyQuil is a combination ingredient product, containing: So, as a general point, since NyQuil contains more drugs …Jan 22, 2024 · The difference between NyQuil and DayQuil is the third ingredient, that’s Doxylamine for NyQuil and Phenylephrine for DayQuil. Doxylamine is an antihistamine which controls allergy symptoms. Phenylephrine is a decongestant. We would like to show you a description here but the site won’t allow us.Vicks DayQuil Cough DM + Congestion is a non-drowsy daytime medicine that coats and soothes your throat and is specially formulated to relieve cough, chest congestion, nasal congestion, and thin and loosen mucus so you can power through your day. Vicks DayQuil is the #1 pharmacist recommended nighttime cough, cold & flu brand*. Shop Products. Mucinex DM (guaifenesin / dextromethorphan) is an over-the-counter medication that's used to relieve cough and loosen up mucus. It has two active ingredients: guaifenesin (an expectorant that clears chest congestion) and dextromethorphan (a cough suppressant that relieves cough). Mucinex DM (guaifenesin / dextromethorphan) is available as ... Nov 8, 2022 · Below, are the main differences between DayQuil and NyQuil: Phenylephrine (contained in DayQuil but not NyQuil) Doxylamine (contained in NyQuil but not DayQuil) Alcohol (NyQuil contains 10%, DayQuil is alcohol-free) Phenylephrine is the nasal decongestant contained in DayQuil. It is not contained in NyQuil as it can cause insomnia or alertness ... NyQuil High Blood Pressure is also decongestant free, unlike some ordinary cold medicines. Helps treat bothersome symptoms like headache, fever, sore throat, minor aches and pains, sneezing, runny nose, and cough. Vicks NyQuil™ high blood pressure cold and flu relief nighttime liquid medicine helps relieve cold & flu symptoms for people with ... Dayquil High Blood Pressure (HBP) Cold & Flu medicine provides fast, powerful relief for people with high blood pressure. It also helps relieve symptoms, including cough, headache, fever, sore throat, and minor aches and pain. Nyquil High Blood Pressure (HBP) Cold & Flu medicine is a nighttime cold medicine for people with high blood pressure. NyQuil is intended for use at night. While DayQuil is specifically developed to treat cold and flu symptoms throughout the day. DayQuil is recommended, though, to remain alert throughout the day. …Answer. Mucinex and NyQuil are both over-the-counter products that are used to treat symptoms of the cold and flu. However, they contain different active ingredients. Mucinex contains guaifenesin, an expectorant, while NyQuil is a combination ingredient product, containing: So, as a general point, since NyQuil contains more drugs than Mucinex ...A: Yes, DayQuil contains 325 mg of acetaminophen per liquicap or 650 mg per liquid dose. Severe liver damage may occur if you: take more than four doses of DayQuil within 24 hours, take DayQuil with other drugs containing acetaminophen, consume three or more alcoholic drinks every day while taking DayQuil. Q: Does DayQuil contain caffeine? ….

What is the difference between Vicks DayQuil Cold & Flu Relief LiquiCaps and Vicks DayQuil Cold & Flu Relief Liquid? Find out which is better and their overall performance in the painkiller ranking.When a company establishes a pension plan, the plan itself is a legal entity. It owns and has responsibility for the money the company sets aside to pay retirees. When one company ...DayQuil Cold & Flu High Blood Pressure Liquid Medicine provides maximum strength relief for your worst cold & flu symptoms in a non-drowsy formula so you can get on with your day. DayQuil High Blood Pressure is sugar free and alcohol free. DayQuil High Blood Pressure is also decongestant free, unlike some ordinary cold medicines. Helps treat ...NyQuil Cough omits the acetaminophen but has the dextromethorphan and doxylamine succinate to cut down on your coughing. DayQuil has acetaminophen like its …Takeaway. Mucinex and Nyquil Cold & Flu are two common over-the-counter remedies. They can be taken together, but not at night. Mucinex can cause …Dayquil High Blood Pressure (HBP) Cold & Flu medicine provides fast, powerful relief for people with high blood pressure. It also helps relieve symptoms, including cough, headache, fever, sore throat, and minor aches and pain. Nyquil High Blood Pressure (HBP) Cold & Flu medicine is a nighttime cold medicine for people with high blood pressure.Is beach tanning worse than just being outside? Visit HowStuffWorks to learn whether or not beach tanning is worse than being outside in general. Advertisement Overexposure to the ...DayQuil and NyQuil are the #1 pharmacist recommended daytime and nighttime cough, cold & flu brands* NyQuil: Active ingredients per 30 mL dose for adults are acetaminophen 650 mg (pain reliever/fever reducer), Dextromethorphan HBr 20 mg (cough suppressant), doxylamine succinate 12.5 mg (antihistamine), and phenylephrine HCI 10 mg (nasal ... Difference nyquil dayquil, Dayquil and Nyquil. Dayquil and Nyquil are an effective combination for dealing with a cold or flu. Nyquil contains similar active ingredients to Dayquil, but it also includes an antihistamine to help you sleep. You can buy Dayquil and Nyquil together. * The total item count is approximate. The count will be inaccurate when sponsored products ..., GREAT-TASTING HONEY FLAVORED DAYQUIL AND NYQUIL: Get the same cold & flu relief you expect from DayQuil & NyQuil SEVERE in a great-tasting honey-licious flavor ; POWERFUL, MAXIMUM STRENGTH 9-SYMPTOM RELIEF DAY AND NIGHT: Use non-drowsy DayQuil SEVERE Honey for daytime and at night try NyQuil …, DayQuil does not contain any stimulants which will keep you awake. If you do not like the sedative effect of NyQuil, you could take DayQuil at night instead. Taken every four hours without exceeding 4 doses within 24 hours, you can safely take DayQuil at night. Some people claim to feel mildly irritable after taking DayQuil, so keep that in mind., DayQuil/NyQuil Severe Cold and Flu may also be used for purposes not listed in this medication guide. Coricidin HBP Cough & Cold has an average rating of 6.0 out of 10 from a total of 14 ratings on Drugs.com. 54% of reviewers reported a positive effect, while 38% reported a negative effect., When you need fast, powerful cold and flu relief, turn to Vicks DayQuil and Nyquil. DayQuil and NyQuil are the #1 pharmacist recommended daytime and nighttime cough, cold & flu brands* NyQuil: Active ingredients per 30 mL dose for adults are acetaminophen 650 mg (pain reliever/fever reducer), dextromethorphan HBr 30 mg (cough suppressant), and ..., Key Differences Between DayQuil and NyQuil. The most significant difference between DayQuil and NyQuil lies in their intended use. DayQuil is designed for daytime use, providing relief without causing drowsiness. On the other hand, NyQuil is formulated specifically for use at night, helping to promote a sound and uninterrupted sleep. ..., Dayquil Cold and Flu is a combination of three active ingredients: acetaminophen (an analgesic), dextromethorphan (a cough suppressant), and phenylephrine (a decongestant). Dayquil Cold and Flu helps treat symptoms from the common cold and flu in adults and children. It can relieve stuffy nose, cough, sore throat, headache, aches, and fever., Below, are the main differences between DayQuil and NyQuil: Phenylephrine (contained in DayQuil but not NyQuil) Doxylamine (contained in NyQuil but not DayQuil) Alcohol (NyQuil contains 10%, DayQuil is alcohol-free) Phenylephrine is the nasal decongestant contained in DayQuil. It is not contained in NyQuil as it can cause …, NyQuil Severe Cold Flu, Max Strength, Berry – 12 oz. What is the difference between red and green NyQuil? Probably bc NyQuil was green DayQuil new, so the consumer’s mental association would be sleep/green. Also, red is energetic.Red cherry.Green odd taste you’ll only consume if you need sleep., NyQuil is an over-the-counter medication for nighttime cold and flu relief, often inducing drowsiness, while DayQuil provides similar relief without causing drowsiness, designed for daytime use. Difference Between NyQuil and DayQuil, Dec 2, 2023 · One key difference between the two medications is that NyQuil contains doxylamine succinate as an additional ingredient. Doxylamine succinate acts as an antihistamine and has sedative effects that can help with sleep during illness. This makes NyQuil more suitable for nighttime use when drowsiness is not a concern. , The future is mobile—and video. If you were to explain Verizon’s $4.4 billion deal to acquire AOL in one word, it would be: mobile. The modern smartphone, epitomized by Apple’s iPh..., Side Effects. See also Warning section. Drowsiness, dizziness, blurred vision, upset stomach, nausea, nervousness, constipation, or dry mouth /nose/throat may occur. If any of these effects last ..., Reviews (4) Uses. This combination medication is used to temporarily treat symptoms caused by the common cold, flu, allergies, or other breathing illnesses (such as..., What is the difference between Alka-Seltzer Plus Severe Cold & Flu and Vicks DayQuil Cold & Flu Relief LiquiCaps? Find out which is better and their overall performance in the painkiller ranking. ... Vicks NyQuil Cold & Flu Nighttime Relief Liquid. vs., With this DayQuil and NyQuil Combo pack, you'll have the cold and flu multi-symptom relief you need on hand, day and night. When you have a cold and need to get a good night's sleep, NyQuil helps relieve headache, fever, sore throat, minor aches and pains, sneezing, runny nose, and cough. For powerful, non-drowsy daytime relief so you can get ... , Vicks DayQuil and NyQuil High Blood Pressure Cold and Flu Relief Liquid Medicine Combo Pack, Multi-Symptom Daytime and Nighttime Relief for Cold, Cough, Flu Symptoms, Alcohol No, 8 FL OZ (Pack of 2) ... At scale, these small differences in product size and weight lead to significant carbon emission reductions. Here are a few of the …, What are the differences between Dayquil and Nyquil? The key difference in between these two meds is: Dayquil does not cause drowsiness and sleepiness like Nyquil. The most active chemical – phenylephrine – is a decongestant. This helps manage signs of flu and common cold. Nyquil however has doxylamine – this controls histamines., Sep 4, 2014 · Depends on which version you buy: • The Nighttime Allergy Relief version of QlearQuil is identical to ZzzQuil, with diphenhydramine being the only active ingredient. • The All Day & All Night 24... , HealthCentral states that one of the significant differences between NyQuil and DayQuil is that NyQuil is in liquid suspension form and is intended for night time use only, whereas DayQuil has a different chemical structure which does not promote drowsiness, making it ideal for use any time of the day. Another notable difference is that NyQuil contains an antihistamine whereas DayQuil contains ..., The difference between Nyquil and Zzzquil is that Nyquil can be used for relieving colds, coughs, fever, and sleeplessness. Whereas, Zzzquil can be used only for having a good night’s sleep and does not provide relief from other issues. ... Even Dayquil contains the same ingredients as Nyquil and serves the same purposes, just without …, NyQuil Contains More Ingredients. In addition to the difference in antihistamines, Nyquil contains additional ingredients for the treatment of cough/cold symptoms. ZzzQuil contains diphenhydramine as the only ingredient. It is intended solely for use as a nighttime sleep aid. NyQuil on the other hand contains additional ingredients:, The lazy Susan is a circular tray that spins to make food service easier, but the origins of the name are a bit murky. Advertisement If your home has a corner cabinet, odds are it ..., Nyquil Cold and Flu is a combination medication containing acetaminophen (a pain reliever), dextromethorphan (a cough suppressant), and doxylamine (an antihistamine). It's used to treat cold and flu symptoms, like sore throat, fever, cough, runny nose, sneezing, and aches, in adults and children. Nyquil Cold and Flu is available as pills and a ..., By Patrick Proctor on March 27, 2020 | Project Management, Versus Monday.com and Trello are both popular project management software solutions and with good reason. They’re easy to..., Q: What is the active ingredient in NyQuil? A: NyQuil has three active ingredients: acetaminophen (a pain reliever/fever reducer), dextromethorphan HBr (a cough suppressant) and doxylamine succinate (an antihistamine). Q: Does NyQuil expire? A: Yes. Do not use NyQuil beyond the expiration date on the package., A committee advising the US airline regulator has concluded that hand-held electronic devices can be connected to Wi-Fi at all points in a flight, according to the Wall Street Jour..., info. Are you looking for information on NyQuil Cold and Flu (acetaminophen / dextromethorphan / doxylamine) instead? When does Dayquil Cold and Flu start …, Just one dose starts working fast to relieve 9 of your worst cold and flu symptoms. With this DayQuil and NyQuil SEVERE Combo pack, you'll have the cold and flu multi-symptom relief you need on hand, day and night. Try Vicks DayQuil SEVERE for fast, non-drowsy daytime relief and use Vicks NyQuil SEVERE when you need maximum strength, nighttime ..., , Vicks DayQuil VapoCOOL provides fast, powerful, maximum strength 9-symptom relief you can feel. Helps treat coughing, stuffy nose, minor body pain, chest congestion, sinus congestion, sinus pressure, sore throat, headache, and fever. Use when you need fast, non-drowsy daytime relief for your cold symptoms. Shop Products., The difference between NyQuil and DayQuil is the third ingredient, that’s Doxylamine for NyQuil and Phenylephrine for DayQuil. Doxylamine is an antihistamine which controls allergy symptoms. Phenylephrine is a decongestant., What is the difference between Vicks NyQuil Cold & Flu Nighttime Relief LiquiCaps and Vicks NyQuil Cold & Flu Nighttime Relief Liquid? Find out which is better and their overall performance in the painkiller ranking.