Does dayquil go bad

An FDA committee said 1 type of nasal decongestant doesn't work, but experts say here's what does Experts say these tips can help fight off common cold symptoms this season. By Dr. Jade Cobern and ...

Dayquil contains around 15 milligrams of caffeine per dose, which is equivalent to about one-sixth of a cup of coffee. When considering the caffeine content in Dayquil, it's important to understand how this ingredient can impact your body. Caffeine is a natural stimulant that works by blocking the effects of adenosine, a brain chemical involved ... 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.It can be dangerous if taken by children under 4, and side effects include nervousness, dizziness, and sleeplessness. But the Food and Drug Administration, which convened the advisory committee on ...Dec 11, 2023 · Fever. “For fever, the two things we use more often than anything are acetaminophen and ibuprofen ,” Vyas said. Tylenol is a common brand of acetaminophen; Advil and Motrin are common brands of ibuprofen. As with anything, it’s important to check with a primary care provider on what you should and shouldn’t be taking—for the common ... Difference Explained. 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'.For this reason, phenylephrine is the most concerning drug in Dayquil for breastfeeding mothers. Officially, it is considered probably safe for breastfeeding. However, a closely related compound, pseudoephedrine, is known to lower milk supply (it reduced supply by nearly a quarter for moms in the study). In fact, some sources say …This is because Doxylamine is a sedative antihistamine and it’s clearly mentioned on the medication that it makes you sleepy and that’s why it is intended to be taken before bedtime. So, DayQuil shouldn’t cause sleepiness because of the drugs added to it. However, it may cause sleepiness by relieving your symptoms and you may feel relaxed ...DayQuil is a non-drowsy medication that can help relieve common cold and flu symptoms, such as nasal congestion, cough, sore throat, headache, and minor aches and pains. It is formulated to provide temporary relief and does not cure the underlying viral infection. DayQuil is not recommended for children under the age of 12 and should be used ...

A Comprehensive Guide. In this comprehensive guide, we will explore the various aspects of DayQuil and its effects on the body. DayQuil is a popular over-the-counter medication used to alleviate symptoms associated with the common cold and flu. It is important to understand how DayQuil works and its potential side effects before using it.If the fluid is still clear you'll probably be fine. Most drugs just become less effective over time. 4. [deleted] • 6 yr. ago. expiration dates on most drugs are just for liability coverage, most drugs dont really go bad, I am sure youre fine. 3. I have a cold and i found some dayquil, which i then proceeded to measure 20 ml and take it ...Common side effects of DayQuil Cold and Flu may include: dizziness, weakness, mild headache; diarrhea, upset stomach; dry mouth, nose, or throat; feeling nervous, restless, irritable, or anxious; or. sleep problems (insomnia). This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.DayQuil can be taken at night in the same way as NyQuil can. DayQuil has no stimulants that will keep you awake. If the sedative effect of NyQuil bothers you, you might take DayQuil at night instead. You can safely use DayQuil at night if you take it every four hours and do not exceed four doses in 24 hours. Keep in mind that some people report ...Nervousness. consuming Dayquil with alcohol together can also exacerbate certain serious side effects, such as the following: Increased sedation. Hallucinations. Respiratory depression may potentially become life-threatening. Slow, fast, or irregular heartbeat. Confusion.It’s safer to take an expired drug to treat a health nuisance — like ibuprofen to aid a headache or allergy medicine to treat mild hay fever — than it is to take one to treat a serious ...

A cold, even a bad one, is milder than the flu. ... Most practitioners say to stay clear of decongestants such as Claritin-D, Sudafed or DayQuil. Even those experts who say it’s okay to take some decongestants will probably caution that they're only safe to use after the first trimester, and only in a limited amount (for example, once or ...A: No, DayQuil does not contain alcohol. Q: Does DayQuil expire? A: es. Do not use DayQuil beyond the expiration date on the package. On bottles the expiration date can be found on the shoulder of the bottle. On Liquicaps and Caplets, it can be found on the end flap of the carton and on the back of the liquicap or caplet blister pack.Precautions. Interactions. Overdose. Uses. This combination medication is used to temporarily treat cough, stuffy nose, body aches, and other symptoms (such as fever, …Key points. DayQuil and NyQuil can be taken on the same day, but should not be taken at the same time as they share some of the same drugs (acetaminophen, dextromethorphan) The short answer here is that you can take them Nyquil & Dayquil together, but not at the same time. In this context, the "same time" means any time within 4 to 6 hours of ... stukes2012. • 2 yr. ago. Hmmmm… don’t know if I would suspect the DayQuil to cause the nausea. My guess is your having so much drainage (esp @ night when ya lay down) that the phlegm is draining from your sinus cavity down your the throat (if you have a sore throat - it would make what I’m saying more likely), and into your stomach ...

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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.In fact, most colds go away within 7 -10 days — so if you do come down with one, it’s all about treating the symptoms. And that’s where it gets tricky. ... Zinc does help keep your immune system healthy and strong, helping heal wounds and skin irritation, as well as helping keep you in fighting shape to handle colds. Whether zinc actually ...Jan 12, 2023 · Active drugs used in medications are temperature-sensitive. When stored in hot or cold places, they can become unstable and even degrade, posing a risk of negative side effects and decreasing their effectiveness. Drug companies are required to strictly control temperatures during manufacturing. And most medications must be stored at a ... 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.Dayquil Severe Cold & Flu (Oral) received an overall rating of 4 out of 10 stars from 27 reviews. See what others have said about Dayquil Severe Cold & Flu (Oral), including the ef...You can take Dayquil every 4 to 6 hours, with a maximum of 4 doses in one day. (1) Dayquil is an over-the-counter (OTC) medication that relieves cold, flu, and allergy symptoms. It is available in different formulations to help manage various cold and flu symptoms. However, it’s important to take DayQuil mindfully.

This means that you might not feel as drowsy as you would if you had taken Dayquil alone, which could be a good or bad thing depending on your circumstances. Does Dayquil Affect Coffee? Conversely, Dayquil may also affect the way your body processes caffeine. One of the side effects of Dayquil is increased heart rate, which can be …Key points. DayQuil and NyQuil can be taken on the same day, but should not be taken at the same time as they share some of the same drugs (acetaminophen, dextromethorphan) The short answer here is that you can take them Nyquil & Dayquil together, but not at the same time. In this context, the "same time" means any time within 4 to 6 hours of ...2. Choose a liquid or capsule form of DayQuil. The medication comes in two convenient forms. The capsules are great if you’re on the go, since you can easily drop a pack in a bag or your pocket. Some people find the liquid form easier to take, however. Either form can be found in any pharmacy. [3] 3.Sep 12, 2022 · There is no guarantee that the DayQuil can still be considered safe and effective, especially that long after expiration. Medication begins to lose its potency over time. This means the medication may not work like it is supposed to. It is much better to be on the safe side and not take expired medication. READ: How do you know if a Russian ... Apr 16, 2021 · In general, using expired medications should be avoided as they may not be as potent or effective as they once were. Expired NyQuil has not been shown to degrade into harmful components, but expired products may have lost potency over time. As NyQuil is relatively inexpensive, it is recommended to replace any expired product with an in-date one ... The short answer is yes. You can take DayQuil at night as it does not contain any ingredients that lead to drowsiness, and taking it at night won’t keep you awake all night. It is also very important to remember that you should not exceed more than 4 doses per 24 hours. Hence, you can consume the medicine day or night. Dizziness, drowsiness, trouble sleeping, and confusion can increase the risk of falling. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits ... A cold, even a bad one, is milder than the flu. ... Most practitioners say to stay clear of decongestants such as Claritin-D, Sudafed or DayQuil. Even those experts who say it’s okay to take some decongestants will probably caution that they're only safe to use after the first trimester, and only in a limited amount (for example, once or ...Applies to: Vicks Dayquil Cold & Flu Relief (acetaminophen / dextromethorphan / phenylephrine) Alcohol can increase the nervous system side effects of dextromethorphan such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of …But NyQuil Cold Flu Nighttime Relief Liquid has 20 g, and DayQuil Cold Flu Relief Liquid has 23.8 g. If you’re taking DayQuil every four to six hours, and NyQuil at night, that adds up to a lot of extra carbs! Go sugar-free. Does Dayquil and Nyquil have sugar?Summary: Drug interactions are reported among people who take Viagra and Dayquil. Common interactions among males include abdominal pain upper and cough. The phase IV clinical study analyzes what interactions people have when they take Viagra and Dayquil together. It is created by eHealthMe based on data from the FDA, and is updated regularly.

Go to the ER if you develop: Rash. Itching or swelling, particularly on your face, throat, or tongue ... Other Drugs That Interact With DayQuil. Do not take DayQuil if you take a monoamine oxidase ...

If you use expired, potentially contaminated, liquid medications, especially on sensitive tissues like your eyes, you can very likely cause an infection. Liquid medications often have more specific storage requirements and instructions than pills or tablets. Nitroglycerine, for example, is extremely sensitive to heat and sunlight, so it is ...Mar 26, 2024 · Under 4 years old: Do not give. DayQuil Cold & Flu Only the liquid version of this DayQuil formulation includes dosage information for children younger than 12. A 15 mL dose liquid contains: Acetaminophen 325 mg. Dextromethorphan 10 mg. Phenylephrine 5 mg. The children’s dosage for DayQuil Cold & Flu is as follows: Dayquil contains a combination of active ingredients, including acetaminophen, dextromethorphan, and phenylephrine. Acetaminophen is a pain reliever and fever reducer commonly found in over-the-counter medications. It works by blocking the production of certain chemicals in the body that cause pain and fever.The FDA says using expired medicine is risky and could be harmful to a person’s health, depending on what type of medication it is. “Once the expiration date has passed, there is no guarantee that the medicine will be safe and effective. If your medicine has expired, do not use it,” said the FDA. According to the National Capital Poison ...Taking NyQuil can make people drowsy and fall asleep, which is the major side effect of the drug. The duration and quality of sleep can vary depending on the person. Other, rarer, side effects are mainly due to the acetaminophen component and can include: Skin reddening. Blisters. A: DayQuil can be taken every four hours. Do not exceed four doses within 24 hours. DayQuil Cough can be taken every 6-8 hours. Q: How long does DayQuil last? A: DayQuil treats cold and flu symptoms for approximately four hours. DayQuil Cough provides up to 8 hours of cough relief. Q: How long does it take for DayQuil to work? Shop Collection. Amoxicillin, a member of the penicillin family, is a broad-spectrum antibiotic that exhibits potent activity against a wide range of bacteria. It belongs to the beta-lactam class of antibiotics and works by inhibiting the synthesis of bacterial cell walls, leading to their destruction. View Catalogue.3 days ago · Key points. DayQuil should not be combined with Tylenol as both contain the same drug, acetaminophen. Taking DayQuil and Tylenol together could result in an overdose of acetaminophen, which could cause serious side effects. Dosing of DayQuil and Tylenol should be separated by at least four to six hours. Thanks for reaching out to us!

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Conclusion. In conclusion, mixing Dayquil and alcohol is not recommended. It can have serious consequences on your health, including liver damage, drowsiness, respiratory depression, and dehydration. If you’re feeling sick and need relief, it’s best to avoid alcohol until you’re feeling better.Its primary side effect is that it also makes you very sleepy, which is not ideal if you want to be productive or want to get rid of cold symptoms during the day. Dayquil uses a different active chemical called phenylephrine to stop your runny nose. Unlike doxylamine, phenylephrine works by reducing the swelling in your respiratory system and …The combination of Dayquil and coffee can have several effects on your body. Dayquil contains acetaminophen, dextromethorphan, and phenylephrine, which can cause drowsiness, dizziness, and increased heart rate. Meanwhile, coffee contains caffeine, which acts as a stimulant and can increase your heart rate, blood pressure, and alertness.Dizziness, drowsiness, headache, nausea, nervousness, or trouble sleeping may occur. If any of these effects last or get worse, contact your doctor or pharmacist promptly. If your doctor has ...OTC medicine is generally meant for symptom relief, not curative ends. Thus, Dayquil just makes being sick less shitty. Dude, I have a cure for the cold but I'm waiting until more people get sick. It just makes you ache less, decongests you a bit, and has some cough suppressant in it. Nothing really makes a cold get better except rest and time.The short answer is yes. You can take DayQuil at night as it does not contain any ingredients that lead to drowsiness, and taking it at night won’t keep you awake all night. It is also very important to remember that you should not exceed more than 4 doses per 24 hours. Hence, you can consume the medicine day or night.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.In general, using expired medications should be avoided as they may not be as potent or effective as they once were. Expired NyQuil has not been shown to degrade into harmful components, but expired products may have lost potency over time. As NyQuil is relatively inexpensive, it is recommended to replace any expired product with an in-date one ...Although DayQuil can reduce cold and flu symptoms, it does not cure either condition. The common cold and the flu tend to go … ….

DayQuil is a popular over-the-counter medication used to relieve symptoms of cold and flu. It is a combination drug that contains three active ingredients: acetaminophen, dextromethorphan, and phenylephrine. These work together to alleviate common cold and flu symptoms such as fever, cough, nasal congestion, and minor aches and pains.Why Bug Spray Doesn't Have an Expiration Date. Most bug sprays don't have an expiration date listed on the bottle. "Bug sprays registered by the EPA aren't required to have labelled expiration dates as long as the formulation is stable for at least one year, which most are," says Timothy Wong, technical director of M&M Pest Control.Tooth infection/cavities: Pain from tooth infections can spread throughout the jaw and ears.; Tonsillitis: Pain swallowing along with an earache could mean a throat infection like tonsillitis, which is an infection of the lymph nodes in the back of the throat.; Teeth grinding: Since the ear canal is close to the jaw, pain from grinding teeth can travel …The topical decongestant is effective, but it does have an expiration date. Sept. 14, 2021, 8:10 PM UTC. By Kerry Breen. One mom's story of using a decades-old jar of Vicks VapoRub has social ...The topical decongestant is effective, but it does have an expiration date. Sept. 14, 2021, 8:10 PM UTC. By Kerry Breen. One mom's story of using a decades-old jar of Vicks VapoRub has social ...Azithromycin (Oral Route) Azithromycin is used to treat certain bacterial infections in many different parts of the body. Azithromycin is used to prevent and treat a very serious type of infection (mycobacteria or MAC). It is a macrolide-type antibiotic. It works by stopping the growth of bacteria.Half Life Of Dayquil. Acetaminophen – 1 to 4 Hrs. Guaifenesin – I Hr. Dextromethorphan – 3 to 6 Hrs. Oxymetazoline – 1Hr 50 Min (approx.) – 2 ½ Hrs. Phenylephrine – 2 – 3 Hrs. The value may change according to the dosage %, but in general the above are the elimination half-life of the Dayquil components.A doctor has provided 1 answer. can a person take nyquil 8 hours before having liver,kidney,bilirubin blood tests and gallbladder test such as ct scan ,x ray ?: Yes: You can taque NyQuil 8 hours after these tests. Does dayquil go bad, Specializes in Pediatrics. There are several different Dayquil and Nyquil products. Some have alcohol, some don't. One can find out by reading the labels (the part about "inactive" ingredients). Otherwise, one can go online to their website to find which of their products comes in an alcohol-free version. Dr Fisher agreed., Under 4 years old: Do not give. DayQuil Cold & Flu Only the liquid version of this DayQuil formulation includes dosage information for children younger than 12. A 15 mL dose liquid contains: Acetaminophen 325 mg. Dextromethorphan 10 mg. Phenylephrine 5 mg. The children’s dosage for DayQuil Cold & Flu is as follows:, Applies to: Vicks Dayquil Cold & Flu Relief (acetaminophen / dextromethorphan / phenylephrine) Alcohol can increase the nervous system side effects of dextromethorphan such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of …, Sep 7, 2022 · Taking Nyquil when you have shortness of breath may worsen your case of COVID-19, according to S. Thomas Yadegar, MD, medical director of the ICU at Providence Cedars-Sinai Tarzana Medical Center. One of the main components of Nyquil is doxylamine succinate, a sedating antihistamine. It can treat nasal congestion, but it also induces drowsiness. , 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., Published Oct 04, 2022. Last updated May 12, 2024. Key points. DayQuil, like all drug products, does expire. As a general rule of thumb, expired drugs should not be taken since they may not be as effective as they once were, or could otherwise be compromised., Benefits of drinking coffee with Dayquil: – Can help alleviate drowsiness caused by medication. – Can mask unpleasant taste of Dayquil. Drawbacks of drinking coffee with Dayquil: – Can interfere with sleep if taken before bedtime. – Can increase risk of side effects from Dayquil., Can shut your liver down very quickly. Acetaminophen should be avoided in general if you have liver issues. Many cold meds have it so read the ingredients. Good luck. 0. WreckedEmKilledEm. • 4 yr. ago. Nah this is wrong. Very low chance that acetaminophen will hurt your liver at therapeutic doses., Mar 28, 2023 · Dayquil contains a combination of active ingredients, including acetaminophen, dextromethorphan, and phenylephrine. Acetaminophen is a pain reliever and fever reducer commonly found in over-the-counter medications. It works by blocking the production of certain chemicals in the body that cause pain and fever. , Here are 5 things that may be causing your bad ADHD days lately, and 9 tips to manage and prevent these severe ADHD symptoms. When ADHD symptoms intensify, you might feel you’re ha..., Dextromethorphan. Doxylamine. All of these are safe if you have high blood pressure and will not raise it. However, NyQuil Cold & Flu Severe does have a nasal decongestant in it: Acetaminophen. Dextromethorphan. Doxylamine. Phenylephrine. Since NyQuil Cold & Flu Severe contains phenylephrine, it should not be taken if you have high …, Under 4 years old: Do not give. DayQuil Cold & Flu Only the liquid version of this DayQuil formulation includes dosage information for children younger than 12. A 15 mL dose liquid contains: Acetaminophen 325 mg. Dextromethorphan 10 mg. Phenylephrine 5 mg. The children’s dosage for DayQuil Cold & Flu is as follows:, The short answer is yes. You can take DayQuil at night as it does not contain any ingredients that lead to drowsiness, and taking it at night won’t keep you awake all night. It is also very important to remember that you should not exceed more than 4 doses per 24 hours. Hence, you can consume the medicine day or night., Uses. This combination medication is used to temporarily treat cough, chest congestion, fever, body aches, and stuffy nose symptoms caused by the common cold, flu, or other breathing illnesses ..., Apr 5, 2024 · April 5, 2024. Reviewed by Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing. The big question is, do pills expire? With a splitting headache, you reach into your medicine cabinet for some aspirin or ibuprofen only to find the stamped expiration date on the medicine bottle is more than a year out of date. , Side Effects. Precautions. Interactions. Overdose. Images. Reviews (1) Uses. This combination medication is used to temporarily relieve symptoms caused by the common …, Alcohol is a central nervous system depressant that can impair cognitive function, coordination, and judgment. When combined with Dayquil, which can also have sedative effects, the risk of drowsiness and dizziness increases. This can lead to accidents, falls, or other hazardous situations., February 20, 2019 at 5:22 am PST. When I get a cold, I armor up with DayQuil so I can do my job without drowning in mucus. Now my killjoy co-worker says taking cold medicine actually makes you ..., Personal habits. Work habits. We all have good and bad habits. The key to making bad habits good is to recognize them. Read this article to identify your own bad marketing habits a..., stukes2012. • 2 yr. ago. Hmmmm… don’t know if I would suspect the DayQuil to cause the nausea. My guess is your having so much drainage (esp @ night when ya lay down) that the phlegm is draining from your sinus cavity down your the throat (if you have a sore throat - it would make what I’m saying more likely), and into your stomach ... , 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., DamnGoodMarmalade. • 1 yr. ago. DayQuil and NyQuil work very well but only if you have the symptoms listed on the bottle or package. If you’re not suffering from sinus issues, cough, or congestion, there’s no need to take it. Here’s what’s good for each symptom: Tylenol - For headaches and fever., It’s safer to take an expired drug to treat a health nuisance — like ibuprofen to aid a headache or allergy medicine to treat mild hay fever — than it is to take one to treat a serious ..., Having bad credit can make it difficult to find a place to rent, but it’s not impossible. With a little bit of research and patience, you can find a home for rent with bad credit. ..., Official answer. by Drugs.com. The main difference is that DayQuil is a non-drowsy formula with the decongestant phenylephrine to help treat your cold or flu symptoms during the day, while many NyQuil products contain a sedating antihistamine and can help you sleep at night. In addition, some NyQuil products also contain 10% alcohol, but ..., Help! My Dog Ate Prenatal Vitamins; Is DayQuil toxic to dogs? Guys, human medication isn’t meant for our four-footed kids.Seriously. Acetaminophen, the main ingredient in most cold and flu medication, is toxic for cats and can be poisonous for dogs, too.While this is a super-duper drug for humans, it causes liver damage for our fur kids …, Nov 18, 2018 · How Fast DayQuil Works. DayQuil will begin to work 15 to 30 minutes after taking a dose. As DayQuil contains 3 different active ingredients, how quickly you will feel the of effects each will vary, although only slightly. Acetaminophen, an analgesic, has an onset of action of 15-20 minutes, but peak effects occur within 30 to 60 minutes. , phenylephrine amphetamine. Applies to: Vicks DayQuil Severe Cold & Flu (acetaminophen / dextromethorphan / guaifenesin / phenylephrine) and Adderall (amphetamine / dextroamphetamine) Both phenylephrine and amphetamine can increase blood pressure and heart rate, and combining them may enhance these effects. Talk to your doctor …, Bad moods knock us all out of alignment now and again. But why do they happen? And is there anything we can do about it? Let's look at the science behind a bad mood, what it does i..., Bad breath is a common problem — everyone has it from time to time. When you’re worried about how your breath smells, it can make you feel self-conscious and get in the way of soci..., Don't let a bad roofing job go unnoticed! Learn the common signs to look out for and protect your home. Click to find out more. Expert Advice On Improving Your Home Videos Latest V..., Mar 30, 2023 · DayQuil is a popular over-the-counter medication used to relieve symptoms of cold and flu. It is a combination drug that contains three active ingredients: acetaminophen, dextromethorphan, and phenylephrine. These work together to alleviate common cold and flu symptoms such as fever, cough, nasal congestion, and minor aches and pains. , Summary: Drug interactions are reported among people who take Viagra and Dayquil. Common interactions among males include abdominal pain upper and cough. The phase IV clinical study analyzes what interactions people have when they take Viagra and Dayquil together. It is created by eHealthMe based on data from the FDA, and is updated regularly.