Is it safe to take nyquil with benadryl

Learn which are safe to take every day, and good allergy med alternatives. Discover the potential risks of taking allergy medicine every day, like congestion. ... (Vicks NyQuil, Tylenol Cold and Cough Nighttime) Hydroxyzine (Vistaril) Phenindamine (Nolahist) ... First-generation antihistamines like Benadryl, however, can cause potential side ...

Applies to: Benadryl (diphenhydramine) and ZzzQuil (diphenhydramine) Ask your doctor before using diphenhydrAMINE together with ethanol. Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking diphenhydrAMINE. You should be warned not to exceed recommended dosages and to avoid activities requiring mental ...Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. Unknown: No interaction information available. Further information. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.Antidepressants and dextromethorphan or pseudoephedrine. It's generally considered safe to take antidepressants while taking cold medicine. "However, cold/flu medications that contain dextromethorphan may increase the risk of a rare side effect called serotonin syndrome when taken with SSRIs and SNRIs," Dr. Carter says.Dr. Christopher Mcgraw answered. Yes tho dont need to: Nyquil has an antihistamine so really no added benefit to both it and Benadryl (diphenhydramine) at the same time.The fetus should be OK. "Most women who take NyQuil for a short period of time in pregnancy will not have any adverse outcomes in pregnancy," Dr. Langan says. "We advise against taking it out of ... When taking medications, it’s important to be cautious and informed. Many people wonder if it is safe to take Benadryl and Nyquil together. Let’s delve into this topic and explore the potential risks and considerations. Understanding the ingredients: Benadryl and Nyquil are over-the-counter medications commonly used for different purposes.

Can I take Benadryl together with fluoxetine? Can I take Nyquil together with fluoxetine? Can I take Ambien together with fluoxetine? What is fluoxetine? Fluoxetine is an antidepressant medication used to treat depression, obsessive-compulsive disorder, and bulimia. It is an SSRI (Selective Serotonin Reuptake Inhibitor), which means that it ...The combined use of Benadryl and NyQuil can cause a number of side effects, as both of these meds contain sedating antihistamines. The commonly expected side effects include (1,2): These side effects are not the same in every case and some people might not even tell the difference if they take these two together, but it’s not …Yes, Benadryl ( diphenhydramine) may be safely taken with Tylenol ( acetaminophen) as there is no drug interaction between the two. In fact, these two drugs can often be found together in the same product. For one example, both of the active ingredients are in the product Tylenol PM, which is used to relieve pain while helping to fall asleep ...A common side effect of many medications is nausea and vomiting — sometimes casually referred to as "throwing up.". Many health conditions and situations can also lead to nausea and vomiting. If you vomit after taking a medication, you may be curious if the medication will still work, or if you should retake it.Both Benadryl and Nyquil contain sedating antihistamines, such as diphenhydramine and doxylamine succinate, respectively. Combining these substances can increase the risk of excessive sedation and other side effects. Therefore, it is generally not recommended to take Benadryl and Nyquil together unless advised by a healthcare …There is no reported interaction between NyQuil and Tamiflu and they can be safely taken together. In fact, Tamiflu has very few reported drug interactions. The prescribing information for the drug only lists one clinically significant drug interaction, the live flu vaccine. Since Tamiflu decreases viral replication, it may make the live flu ...Product causes insomnia and restlessness in some users (backed by 5 comments) Product causes nausea, dizziness and headaches in some users (backed by 4 comments) Product causes anxiety and nightmares in some users (backed by 3 comments) If you'd like to summon me to ask about a product, just make a post with its link and tag me, like in this ...

Specializes in Family Medicine. Yes: Benadryl (diphenhydramine) will help you sleep and help with excess mucus production. Mucinex (guaifenesin) is called an expectorant as it helps thin and loosen mucus to make your cough more effective at clearing the mucus from your lungs. There should be no problem taking these two medications together.Benadryl (diphenhydramine) is also a first-generation antihistamine that can cause sedation or drowsiness. It is considered to be in the same class of drugs as the doxylamine that is found in NyQuil. Benadryl can also be used as a short-term sleeping aid, but it is also commonly used to treat allergies, allergic reactions, and itching.Comparing Benadryl vs DayQuil/NyQuil Severe Cold And Flu. Benadryl (diphenhydramine) DayQuil/NyQuil Severe Cold and Flu (acetaminophen / dextromethorphan / doxylamine / guaifenesin / phenylephrine) Prescription and OTC. Benadryl is an antihistamine that can be used to treat allergic reactions, relieve motion sickness, as a sleep aid, and ...Alcohol. Nicotine. Sugar. Oxygen. 1. Opioids. Narcotic opioids are a class of potent pain-relieving medications that include codeine, morphine, hydrocodone, and oxycodone, among others. While they can provide significant relief for acute or chronic pain, they pose a considerable risk to individuals with COPD.Certain medications cannot be taken together, such as combining Benadryl and NyQuil. Since ibuprofen works differently than acetaminophen – the pain-relieving component in NyQuil – it is generally considered safe to take Advil and NyQuil together for short-term use. More about this combination below…. Just make sure you follow the ...

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Oct 1, 2020 · The U.S. Food and Drug Administration (FDA) is warning that taking higher than recommended doses of the common over-the-counter (OTC) allergy medicine diphenhydramine (Benadryl) can lead to ... 4. Decongestant nasal sprays. Decongestant nasal sprays shrink blood vessels in the nasal passages. This helps relieve swelling. Popular decongestant nasal sprays include Afrin (oxymetazoline) and Neo-Synephrine (phenylephrine). Decongestant nasal sprays work fast, but they should only be used for about 3 to 5 days.Hey is it ok if i take the off brand of nyquil and benadryl (diphenhydramine) so i can fall asleep? A doctor has provided 1 answer. Dr. Jeffrey Juchau answered. Specializes in Family Medicine. Not a great: combination for sleep. Combining two antihistamines benadryl (diphenhydramine) and doxalamine as well as a cough medicine is not a good idea.Aleve contains naproxen, an anti-inflammatory medication. Specifically, it is classified as an NSAID (non-steroidal anti-inflammatory drug) and is similar to Advil (ibuprofen), although Aleve lasts longer per dose. naproxen does not have a drug interaction with any of the ingredients in Nyquil and they can be taken together.

You want to avoid doubling up on the same drug. In regard to NyQuil and Sudafed (pseudoephedrine), they can safely be taken together as NyQuil does not already contain a decongestant and there are no interactions between any of the drugs. You can also take one in the morning and one in the evening as you suggested.They are considered safe to take together. You did mention if the above medications (Benadryl and Levaquin) were safe with other sleep aids. The answer to that question is most likely "no". The active ingredient in Benadryl (diphenhydramine) is very commonly used in many over the counter sleep aid product (such as NyQuil) due to its sedating ...Take OTC antihistamines; Antihistamines dry up mucous membranes of the nose and other areas such as mouth and eyes. Nasal decongestant sprays, such as oxymetazoline (Afrin, Vick's Sinex) and phenylephrine (Neo-Synephrine), can also be helpful. Related Questions. What is the Benadryl hat man? Can you overdose on Nyquil?Benadryl is better at treating most allergy symptoms, such as runny nose and sneezing. Mucinex may be helpful if your allergies are causing a cough from postnasal drip. Mucinex has very few side effects. Benadryl often causes drowsiness, dry mouth, and constipation. You can take Mucinex and Benadryl at the same time if you need to.Both medications contain diphenhydramine as their active ingredient. Taking Nyquil and Benadryl together can potentially increase the diphenhydramine level in your system beyond what is considered safe. Excessive amounts of diphenhydramine can lead to side effects such as drowsiness, dizziness, blurred vision, dry mouth, and constipation.Hello NaTonya. So here’s the deal with NyQuil. It is a multi-drug liquid . It is designed for achy , coughing, fever and nighttime medication. That’s how there TV advertising goes. The drowsiness comes from the drug Doxylamine succinate . It’s a antihistamine just like diphenhydramine ( Benadryl ) .Montelukast (Singular) is an oral medication used to treat asthma and seasonal allergies. Medications that can interact with montelukast include gemfibrozil (Lopid), certain seizure medications, and rifampin. It’s OK to take montelukast with certain antihistamines, such as cetirizine (Zyrtec). But some people may experience excessive ...Use of Benadryl and melatonin together on a regular basis is not recommended. In most cases, Benadryl (diphenhydramine) and melatonin should not be taken together. There isn't necessarily a 'drug interaction' between them, but both can cause sedation, and using them together could have additive effects. These additive effects could potentially ...May 15, 2018 · Unisom And Benadryl. As stated above, the two medications should not be taken at the same time because the side effect of drowsiness will likely be severe. In addition, the risk of the following side effects increases: If you want to take both Benadryl and Unisom the same day, they should be separated by at least 6 hours between doses. Both Benadryl and Nyquil contain sedating antihistamines, such as diphenhydramine and doxylamine succinate, respectively. Combining these substances can increase the risk of excessive sedation and other side effects. Therefore, it is generally not recommended to take Benadryl and Nyquil together unless advised by a healthcare …Topline. Some of the most common cold medications like Benadryl, Mucinex and variations of Tylenol may soon be forced off shelves after a Food and Drug Administration panel found oral ...

They are generally considered safe to take together. It is important to note that ritonavir (again, a component of Paxlovid), is a minor inhibitor of another enzyme, CYP2D6, which is responsible for metabolizing the cough suppressant in NyQuil & DayQuil, dextromethorphan. However, most studies note that the inhibition of CYP2D6 is weak, and any ...

The Nyquil Chicken and Benadryl Challenges haven't been the only social media challenges involving OTC medications. And they certainly won't be the last. As long as something is readily ...There are two reasons NyQuil makes you tired: Doxylamine, the antihistamine contained in it, is sedating. It is a first-generation antihistamine similar to Benadryl (diphenhydramine). It contains 10% alcohol by volume (there are alcohol-free versions of NyQuil available). I would assume your issues sleeping stem from cold symptoms.Answer. Benadryl (diphenhydramine) and Norco should be used at the same time with caution as the potential for additive sedative effects could be dangerous. However, it is considered safe to take hydrocodone (which is contained in Norco) about 6 hours after taking Benadryl as the effects will have worn off by that time.Those at higher risk include people more than 75 years old, people taking oral steroids, and people taking a blood-thinning medication such as apixaban (Eliquis), aspirin, clopidogrel (Plavix), dabigatran (Pradaxa), edoxaban (Savaysa), rivaroxaban (Xarelto), or warfarin (Coumadin). Also use special caution if you have kidney problems or heart ...Related/similar drugs diphenhydramine, Benadryl, chlorpheniramine, Promethazine DM, Vicks NyQuil Cold & Flu Nighttime Relief, Banophen Warnings. Do not use this medicine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.. Do not take more of this medication than is recommended.The following are several medications you can take to relieve a variety of cold and flu symptoms: Aches, Pains, and Fevers. Acetaminophen (brand name: Tylenol) Cough. Dextromethorphan (brand names: Delsym, Robitussin, Vicks 44) Guaifenesin (brand name: Mucinex) Nasal Congestion. Diphenhydramine (brand name: Benadryl) Phenylephrine (brand name ...Is it safe to take nyquil simultaneously with pain reliever? A doctor has provided 1 answer. i have the flu before surgery in 2 days and i was wondering if i could take any medication that wouldnt affect the surgery like nyquil ?: Moot point: situation may be a moot point as many surgeons might not w.Diuretics cause your body to release more urine. Avoid drinks that may have a diuretic effect. These include: alcohol. coffee. soda. other caffeinated beverages. Avoiding or reducing intake of ...Vicks NyQuil Severe Cold & Flu Sudafed and Sudafed PE should also not be combined with nasal decongestant sprays , …Tamiflu can be taken with over-the-counter (OTC) cold and flu medications, such as NyQuil products. It’s also safe to take Tamiflu with OTC pain relievers, such as acetaminophen (Tylenol) or ibuprofen (Advil, Motrin). ... Can you take Tamiflu and Benadryl together? Yes, most people can take Tamiflu and Benadryl (diphenhydramine) together.

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Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency. i was prescribed gabapentin 300mg 3x a day and 37.5 effexor (venlafaxine) in the morning. can i take nyquil and/or benadryl at night?: Med combo: You need to be careful about ...As mentioned in this answer, most over-the-counter cold medications are fine to take with Claritin. Below are some safe options to use with Claritin, depending on your symptoms: Congestion: Sudafed (pseudoephedrine) typically works well to treat these symptoms. Cough: You can use a cough suppressant, like Delsym (dextromethorphan), to help ...Montelukast (Singular) is an oral medication used to treat asthma and seasonal allergies. Medications that can interact with montelukast include gemfibrozil (Lopid), certain seizure medications, and rifampin. It’s OK to take montelukast with certain antihistamines, such as cetirizine (Zyrtec). But some people may experience excessive ...You should not take that with Ibuprofen. While it's not likely to cause any sort of bad side effect, there's no reason to rick it. they both do the same thing. Melatonin is a hormone and it's safe to take, but NyQuil SHOULD have an agent in it to put you to sleep, so the melatonin will be irrelevant. Ibuprofen and Acetaminophen are both pain ...Jan 14, 2019 · However, pseudoephedrine and dextromethorphan can also lower the seizure threshold and are common ingredients in many cold medications. Guaifenesin does not seem to be as much of a problem. Some people are also sensitive to antihistamines, so we suggest that you avoid diphenhydramine (Benadryl) and cetirizine (Zyrtec). By Brandon Peters, MD Dr. Peters is a board-certified neurologist and sleep medicine specialist and is a fellow of the American Academy of Sleep Medicine. Learn why older people should not use diphenhydramine sleeping pills due to side effects including confusion, urinary retention, and dizziness.Answer. No, NyQuil does not contain Benadryl (diphenhydramine). NyQuil contains the following medications: Acetaminophen: An analgesic used for the treatment …Takeaway. If you're currently taking NyQuil, you should avoid consuming alcohol. Mixing can worsen Nyquil's side effects and lead to serious complications. Vicks NyQuil is an over-the-counter ...Is It Safe to Take an Antihistamine for Sleep Every Night? Medically reviewed by Suzanne Stevens, MD — By Corey Whelan — Updated on April 24, 2023 Effectiveness ….

Dec 5, 2022 · NyQuil takes about 30 minutes to start working. It can be taken at any time of day, but be aware that it can cause drowsiness. So you may need to aveoid using it during the day if it makes you too sleepy. NyQuil can be taken with or without food, but it may interact with other medications you take. As mentioned in this answer, most over-the-counter cold medications are fine to take with Claritin. Below are some safe options to use with Claritin, depending on your symptoms: Congestion: Sudafed (pseudoephedrine) typically works well to treat these symptoms. Cough: You can use a cough suppressant, like Delsym (dextromethorphan), to help ...Dilated blood vessels can cause nasal congestion (stuffy nose). Nyquil Vapocool is a combination medicine used to treat headache, fever, body aches, cough, runny nose, sneezing, itching, and watery eyes caused by allergies, the common cold, or the flu. Nyquil Vapocool will not treat a cough that is caused by smoking, asthma, or emphysema.There are two reasons NyQuil makes you tired: Doxylamine, the antihistamine contained in it, is sedating. It is a first-generation antihistamine similar to Benadryl (diphenhydramine). It contains 10% alcohol by volume (there are alcohol-free versions of NyQuil available). I would assume your issues sleeping stem from cold symptoms.In conclusion, both medicines are useful for treating allergy symptoms, however, both have plenty of side effects. For instance, Nyquil contains alcohol and will cause liver damage if it becomes a habit. On the other hand, Benadryl has the active ingredient diphenhydramine and can strip your heart valves if it becomes a habit.A safe house works for both good guys and bad guys, keeping them hidden and secure. There's a safe house mentioned in the Bible, and safe houses during WWII. Advertisement You're o...Certain medications cannot be taken together, such as combining Benadryl and NyQuil. Since ibuprofen works differently than acetaminophen – the pain-relieving component in NyQuil – it is generally considered safe to take Advil and NyQuil together for short-term use. More about this combination below…. Just make sure you follow the ...There are 602 drugs known to interact with Vicks NyQuil Severe Cold & Flu (acetaminophen / dextromethorphan / doxylamine / phenylephrine), along with 15 disease interactions, and 2 alcohol/food interactions. Of the total drug interactions, 97 are major, 490 are moderate, and 15 are minor.It is not recommended to take Zyrtec with NyQuil. However, you can take them on the same day. Zyrtec (Cetirizine) is an antihistamine medication which controls certain types of allergic symptoms (1). NyQuil, on the other hand, is a cold and flu medication which contains Acetaminophen, Dextromethorphan, and Doxylamine (2).Can i take benadryl (diphenhydramine) and nyquil together? A doctor has provided 1 answer. Dr. Paul Grin answered. Specializes in Pain Management. You can, but: Not recommended due to drug interactions. Both drugs increase sedation and drowsiness. Dr Kent agreed. Answered 5/3/2021. 4.5k views. Is it safe to take nyquil with benadryl, Benadryl (diphenhydramine) Celebrex (celecoxib) CoQ10 (ubiquinone) Cymbalta (duloxetine) Eliquis (apixaban) Fish Oil (omega-3 polyunsaturated fatty acids) ... Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. Unknown: No interaction information available., Potential side effects of Melatoin and Nyquil include: Additive Sedation. Sleep-related Disturbances. Central Nervous System Depression. Respiratory Depression. This is what may happen when you take Nyquil and Melatonin together. Nyquil typically contains the following ingredients: Acetaminophen. Dextromethorphan., Sept. 12, 2023. An advisory panel to the Food and Drug Administration agreed unanimously on Tuesday that a common decongestant ingredient used in many over-the-counter cold medicines is ..., Requirements for Safe Houses - Safe houses come in different types: defensive and offensive. But what are the requirements that define an effective safe house? Advertisement A safe..., When purchasing doxylamine or diphenhydramine as OTC sleep aids, you'll notice there's a difference in dosing.The usual dose of doxylamine is 25 mg, taken 30 minutes before bedtime. The typical dose for diphenhydramine for sleep is 50 mg, taken 30 minutes before bedtime.. These doses should provide similar effects. So even though the number of milligrams is different for doxylamine and ..., A common side effect of many medications is nausea and vomiting — sometimes casually referred to as "throwing up.". Many health conditions and situations can also lead to nausea and vomiting. If you vomit after taking a medication, you may be curious if the medication will still work, or if you should retake it., Aug 29, 2022 · Antihistamines are considered safe to use. They are used for a wide range of symptoms including post nasal drip, congestion, and allergy symptoms. Claritin, Zyrtec, and Allegra all last 24 hours and are good options to combine with Wellbutrin if needed. While most antihistamines are considered safe with Wellbutrin, one exception may be Benadryl. , Death can occur from the misuse of cough and cold medicines in very young children. You should not use antihistamine medication to make a child sleepy. To make sure NyQuil Cough is safe for you, tell your doctor if you have: high blood pressure, heart disease; a thyroid disorder; a blockage in your digestive tract (stomach or intestines);, diphenhydrAMINE morphine. Applies to: Benadryl (diphenhydramine) and morphine. Using diphenhydrAMINE together with morphine may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination., There are two reasons NyQuil makes you tired: Doxylamine, the antihistamine contained in it, is sedating. It is a first-generation antihistamine similar to Benadryl (diphenhydramine). It contains 10% alcohol by volume (there are alcohol-free versions of NyQuil available). I would assume your issues sleeping stem from cold symptoms., This deadly TikTok challenge is, unfortunately, back in the news. More than two years after we first heard about the “Benadryl Challenge” on TikTok, it is unfortunately back in the..., Applies to: Vicks NyQuil Severe Cold & Flu (acetaminophen / dextromethorphan / doxylamine / phenylephrine) Alcohol can increase the nervous system side effects of doxylamine such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment., 3. Safe: Nyquil and Benadryl are generally safe when used as directed. However, it is important to read the label carefully and follow the dosage instructions. 4. Widely available: Nyquil and Benadryl are available over-the-counter in most drug stores and pharmacies. They are affordable and can be purchased without a prescription., Cold medications can help with sleeplessness because the drugs usually contain doxylamine or diphenhydramine, two sedating antihistamines that can quickly cause drowsiness to set in. According to Susheel Patil, clinical director at Johns Hopkins Sleep Medicine, in the absence of a cold, "it may be all right for a few days to use OTC cold ..., 3. Safe: Nyquil and Benadryl are generally safe when used as directed. However, it is important to read the label carefully and follow the dosage instructions. 4. Widely available: Nyquil and Benadryl are available over-the-counter in most drug stores and pharmacies. They are affordable and can be purchased without a prescription., Common side effects of NyQuil Severe Cold and Flu may include: drowsiness; constipation, diarrhea, upset stomach, vomiting; or. feeling restless or excited. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088., Published on July 6, 2023. Key takeaways: NyQuil is a brand name for several over-the-counter (OTC) cough and cold products. The specific dosages, as well as the …, Some patients take the Nyquil dose merely 4 hours after the Dayquil dose is ingested. Although this lower limit is considered to be within the safety window, it is always advisable to choose a median time frame- i.e. 5 hours in this case- to re-dose yourself. The chemical composition of both the drugs is so similar that it can affect the ..., Not best idea: Nyquil has an antihistamine in it already, and benadryl (diphenhydramine) is an antihistamine so you run the risk of overdosing on the antihistamine component. This may cause drowsiness, dryness and can possibly effect respiratory drive. So, not a good idea to take both together. Answered 1/29/2020. 3.6k views., So you may be wondering what pain relievers are safe to take during IVF. Multiple studies have shown somewhat conflicting results regarding what OTC medications are safe and unsafe. Acetaminophen (Tylenol®, regular or extra strength) is generally regarded as safe to use during IVF to relieve pain or reduce fever. [3,4], Yes, Mucinex and Nyquil can be taken together because they contain different ingredients, but Mucinex DM and Nyquil should not be taken together because they share a common ingredient, dextromethorphan. Instead of taking Mucinex DM and Nyquil together you should just take Nyquil. Mucinex contains guaifenesin which is an …, We would like to show you a description here but the site won't allow us., Aug 29, 2022 · Antihistamines are considered safe to use. They are used for a wide range of symptoms including post nasal drip, congestion, and allergy symptoms. Claritin, Zyrtec, and Allegra all last 24 hours and are good options to combine with Wellbutrin if needed. While most antihistamines are considered safe with Wellbutrin, one exception may be Benadryl. , Antihistamines Safe With Ativan. The safest antihistamines to take with Ativan are the ones that are non-drowsy. This includes most of the second-generation antihistamines, such as: Claritin ( loratadine) Allegra ( fexofenadine) Xyzal ( levocetirizine) Zyrtec (cetirizine) It should be noted that Claritin and Allegra are 'non-drowsy', and ..., Applies to: Vicks DayQuil Severe Cold & Flu (acetaminophen / dextromethorphan / guaifenesin / phenylephrine) and Benadryl (diphenhydramine) Using dextromethorphan together with diphenhydrAMINE may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also ..., Are your files safe in the cloud? Learn about cloud storage and if your files will be safe in the cloud. Advertisement The days of keeping all your documents, photos and music on y..., The table below shows a list of drugs to avoid and alternative drugs that can be taken instead. Classes of drugs: Drugs that are likely to interfere with tamoxifen: Alternative drugs that should be safe to take with tamoxifen. ... Benadryl (diphenhydramine), Unisom (doxylamine), Dimetapp (Brompheniramine), Tagamet …, The use of Melatonin and NyQuil together may increase the risk of some additive side effects, especially sedation. This is because both Melatonin and NyQuil cause drowsiness and may affect your brain. Melatonin is a hormonal supplement which helps regulate the sleep cycle. Since it's not an actual medication, it does not necessarily ..., dextromethorphan food. Applies to: Vicks NyQuil Severe Cold & Flu (acetaminophen / dextromethorphan / doxylamine / 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. , Specializes in Endocrinology. Unfortunately, there are mult versions of Nyquil. Some contain the active ingredient in Sudafed (usually actually Sudafed PE which is phenylephrine). Other's do not. When it comes to OTC the counter meds it is as confusing and dangerous as if not more than prescriptions meds. Talk to your doc or pharmacist about ..., Sudafed is the brand name for the medication pseudoephedrine, a decongestant.When you get a cold, the flu, a sinus infection, or allergies, blood vessels in your nose become swollen and inflamed., Benadryl (Diphenhydramine) Benadryl (diphenhydramine) is a first generation antihistamine that can be used for allergies, motion sickness or as a night-time sleep aid. As a first generation antihistamine, Benadryl (diphenhydramine) can cause significant drowsiness. Thus, caution should be used when driving and operating …, Answer. There is not a drug interaction between Benadryl (diphenhydramine) and Paxil (paroxetine). However, using both medications together can increase the risk of sedation and drowsiness. Therefore, due to the risk of additive sedation, the combination should be used with caution. In most cases, Benadryl administration …