Sudafed with nyquil

Bisoprolol Interactions. There are 483 drugs known to interact with bisoprolol, along with 18 disease interactions, and 3 alcohol/food interactions.Of the total drug interactions, 26 are major, 428 are moderate, and 29 are minor.

Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose). NyQuil D is a combination medicine used to treat headache, fever, body aches, cough, runny nose, sneezing, and sinus congestion caused by the common cold, or the flu.Oct 27, 2023 · Dangerously high blood pressure. Dangerously high blood pressure is the most concerning the outcome of using Sudafed and Dayquil together. As stated earlier, Sudafed has pseudoephedrine and Dayquil has Phenylephrine in its composition. Both of these agents can constrict your blood vessels. Oct 19, 2022 · Safe cold medications for those taking Eliquis include antihistamines, Tylenol (acetaminophen), the cough suppressant dextromethorphan, and Mucinex (guaifenesin). These do not interact with Eliquis. You should not take nasal decongestants (e.g., pseudoephedrine) or NSAIDs (e.g., ibuprofen, naproxen, and aspirin) unless specifically directed to ... While the FDA has not officially asked drug manufacturers and retailers to remove products containing the oral ingredient — which is found in versions of NyQuil, Benadryl, Sudafed and Mucinex ...Phenylephrine is a key drug found in popular versions of Sudafed, Allegra, Dayquil and other medications that are used for temporary congestion relief caused by allergies, colds or sinus trouble ...Fluconazole can get in the way of this. This may lead to serious phenytoin side effects because it stays in your body longer. This can contribute to heart-related side effects, like low blood pressure or heart rhythm changes. Brain-related side effects are also possible, like drowsiness, slurred speech, or dizziness.5 days ago · Sudafed (pseudoephedrine) can be used while on Prozac. Sudafed (pseudoephedrine) is a nasal decongestant that helps relieve the pressure and congestion experienced with a cold. Nasal sprays as well are safe to use with Prozac. Final Words. Individuals taking an SSRI, like Prozac, do have options when treating a cold. How a patient treats a cold ...

Both Sudafed and Nyquil contain different combinations of drugs that can potentially interact with each other. Sudafed is a decongestant that contains pseudoephedrine, while Nyquil is a combination medication that typically includes acetaminophen (a pain reliever), dextromethorphan (a cough suppressant), and doxylamine succinate (an ...little or no urination; or. liver problems --nausea, upper stomach pain, itching, tiredness, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes). Side ...Jan 9, 2024 · Pseudoephedrine. Pseudoephedrine, the decongestant found in Sudafed, is highly effective in helping people with stuffy noses breathe more easily, said Dr. Maryann Amirshahi, a medical toxicologist ... Do medications that fight a cold's symptoms prolong the cold? - BBC Science Focus Magazine. None of NyQuil's ingredients are meth-related. Decongestant drugs have changed--but NyQuil isn't a decongestant. the kids behind the counter didn't have the faintest idea what I was talking about. Only the pharmacy may dispense pseudoephedrine, and I'm pretty sure "kids behind the counter" aren't pharmacists or behind the pharmacy counter. Best option: Antihistamine. Less-sedating options: cetirizine (Zyrtec); loratadine (Claritin) More-sedating options: chlorpheniramine (Chlor-Trimeton); diphenhydramine (Benadryl) For a stuffy nose, oral decongestants—including pseudoephedrine, phenylephrine and phenylpropanolamine—can increase both blood glucose and blood pressure and ...There are several cold medications that interact with lithium, most notably, NSAIDs (e.g. ibuprofen) and caffeine-containing products. Safe cold medications include Tylenol, Mucinex and Sudafed. Lithium is a widely utilized and effective medication for the treatment of a variety of psychiatric conditions. These conditions include: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.

Answer. Benzonatate (generic for Tessalon), a medication used to relieve cough, is not known to have many clinically significant drug interactions. In fact, the prescribing information for the drug does not list any. In regard to taking benzonatate with Sudafed, a nasal decongestant, they are not known to have any interaction and are generally ...Answers. Sudafed is a brand name product available over the counter to treat symptoms of the common cold, sinusitis and nasal congestion. There are several formulations that contain different active ingredients including pseudoephedrine, phenylephrine, oxymetazoline, xylometazoline, ibuprofen, caffeine, guaifenesin and paracetamol (acetaminophen).That means name-brand medicines like Sudafed PE and Dayquil, which contain the drug, aren't working as advertised. If you have a runny nose, these medications likely aren't doing anything to ...Adderall (amphetamine, dextroamphetamine salts) should be used cautiously with several over-the-counter (OTC) cough/cold medications, including dextromethorphan, pseudoephedrine, and alkalinizing agents (e.g. Tums, Rolaids). You should speak with your doctor prior to using these medications together.Keep in mind 1 level teaspoon equals 5 ml and that ½ teaspoon equals 2.5 ml. ADULT DOSE. 50 mg. HOW OFTEN. Repeat every 6 hours as needed. CHILDREN'S BENADRYL FASTMELTS. Each fastmelt tablet equals 12.5 mg. They are dosed the same as chewable tablets. Dr. Natalie in Yorkville, Illinois practices Integrative Medicine that includes traditional ...Over-the-counter (OTC) sinus infection drugs treat sinusitis or other sinus-related infections to relieve fever, runny nose, itchy throat, or other symptoms. However, with many options, such as antihistamines and decongestants, users should know what differentiates these drugs.

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Phenylephrine — found in drugs including Sudafed PE, Vicks Nyquil Sinex Nighttime Sinus Relief and Benadryl Allergy Plus Congestion — is the most popular oral decongestant in the United States ...Oral phenylephrine is found in Dayquil, Mucinex Sinus-Max, Sudafed PE Sinus Congestion, Theraflu and other popular medications sold at pharmacies across the U.S. "Modern studies, when well ...Cefdinir disease interactions. There are 7 disease interactions with cefdinir which include: colitis. renal dysfunction. diabetes. nitroprusside tests. dialysis. liver disease. seizure disorders.As a decongestant medication, NyQuil is formulated differently to decongestants like Sudafed. However, NyQuil can still see users fail a urine drug test. When a false-positive test result occurs, taking NyQuil will usually see you test positive for amphetamines. Thankfully, false-positive results are less likely with NyQuil than they are …

Allergy medications from different classes can typically be combined. For example, nasal steroids, like Flonase (fluticasone propionate), and oral decongestants, like Sudafed (pseudoephedrine), are safe to take together. Oral antihistamines, such as diphenhydramine (Benadryl) and cetirizine (Zyrtec), shouldn't be taken together without a ...You can however safely take Zyrtec (without the nasal decongestant) with DayQuil. Zyrtec-D and NyQuil both contain antihistamines. Taking both increases the risk of side effects like sedation and dry eyes. NyQuil Severe and Zyrtec-D both contain nasal decongestants, which can increase blood pressure. When looking into potential …Examples of commonly used decongestants include phenylephrine and pseudoephedrine.Often these ingredients are included in multisystem cold and flu preparations. Due to the nature of medications, it is important to always read label ingredients for medications and warnings on boxes to know what you are taking and whether it is the correct ...NyQuil. Like DayQuil, NyQuil combination products typically contain acetaminophen and dextromethorphan. Instead of phenylephrine, NyQuil usually has doxylamine, which is an antihistamine that helps with runny nose and sleep. Sudafed. Like phenylephrine, Sudafed (pseudoephedrine) is a decongestant that can help if you have a stuffy nose. Theraflu.Pseudoephedrine is structurally related to ephedrine but exerts a weaker effect on the sympathetic nervous system. 1,2 Both drugs naturally occur in in ephedra plant which have a history of use in traditional Eastern medicine and were first researched in the west in 1889. 2 The decongestant effect of pseudoephedrine was described in dogs in 1927. 2Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include Micromedex (updated 1 Apr 2024), Cerner Multum™ (updated 21 Apr 2024), ASHP (updated 10 Apr 2024) and others.DZ. DzooBaby 9 March 2012. Pseudoephedrine which is the active ingredient in Sudafed and other cold products (and now has to be bought from the pharmacy counter because it is a product they use in the production of methamphetamine and carries limits on the quantities that are bought) can sometimes cause a positive for methamphetamine on urine ...Names of decongestants include: Pseudoephedrine. Ephedrine. Phenylephrine. Naphazoline. Oxymetazoline. Also, check medicine labels for sodium content. Too much salt can raise blood pressure. If you have high blood pressure and need to treat cold symptoms, try these tips: Choose a cold medicine that's made for people …ANSWER: While many people rely on nasal decongestants to help ease symptoms of a cold or flu, these medications can sometimes cause more harm than good, especially if taken repeatedly. Examples of commonly used decongestants include phenylephrine and pseudoephedrine. Often, these ingredients are included in multi-symptom cold and flu ...

Key points. NyQuil (the original formula) does not contain a decongestant and therefore, won't be very effective in treating nasal congestion. NyQuil Severe, however, does contain a decongestant, phenylephrine. Therefore, if you are looking to take a NyQuil product that will treat nasal congestion, be sure to choose NyQuil Severe.

Just one dose starts working fast to relieve 9 of your worst cold and flu symptoms. Vicks NyQuil SEVERE 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 ...From her breakout role in Disney’s Wizards of Waverly place to her chart-topping songs, Selena Gomez has been in the spotlight for quite some time now. While you may know her for h...For nasal dosage form (Astelin® spray): For treatment of seasonal allergic rhinitis: Adults and children 12 years of age and older—1 or 2 sprays in each nostril 2 times a day, or 2 sprays in each nostril once a day. Each spray contains 137 or 205.5 micrograms (mcg) of azelastine. Children 6 to 11 years of age—1 spray in each nostril 2 ...However, be careful if you take Mucinex-D and NyQuil if you have high blood pressure. Mucinex-D contains pseudoephedrine (active ingredient in Sudafed), a nasal decongestant, which can increase your blood pressure temporarily and interfere with your blood pressure medication's ability to control your blood pressure.NyQuil, the 'night' version of DayQuil, contains doxylamine, a sedating antihistamine. Most people start to feel the effects, including feeling tired, about 30 to 60 minutes after taking a dose. Benzonatate also can make you feel tired, in about the same amount of time, although generally to a lesser extent than NyQuil.Accutane disease interactions. There are 5 disease interactions with Accutane (isotretinoin) which include: intracranial hypertension. psychiatric disorders. osteoporosis. elevated serum triglycerides. liver disease.Sudafed can have a slight stimulating effect in some, making it difficult to fall asleep easily. Studies show that Sudafed causes insomnia in around 4% to 10% of individuals taking the drug. Sudafed is available in immediate release formulations, which last around four to six hours as well as extended release (e.g. 12 and 24 hour) formulations.For example, Nyquil contains acetaminophen, which can interact with certain sleep aids. It's always best to check with your doctor or pharmacist before taking any medication, even over-the-counter products. Yes, you can take Nyquil and sleep aid together. Nyquil is a cold and flu medicine that contains the antihistamine diphenhydramine.It's best not to take Dayquil or Nyquil while breastfeeding. Dayquil contains a decongestant, and decongestants are not compatible with breastfeeding. "Oral decongestants may decrease breastmilk supply and should be used with caution when breastfeeding," notes Dr. Carbone. While Nyquil does not contain a decongestant, …

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You can however safely take Zyrtec (without the nasal decongestant) with DayQuil. Zyrtec-D and NyQuil both contain antihistamines. Taking both increases the risk of side effects like sedation and dry eyes. NyQuil Severe and Zyrtec-D both contain nasal decongestants, which can increase blood pressure. When looking into potential …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 ...Summary. Sudafed (pseudoephedrine) is a non-drowsy decongestant taken by mouth to treat nasal and sinus congestion from allergies and the common cold. It's available in a short-acting version that's taken once every 4 to 6 hours. It also comes in longer-acting versions that are taken every 12 or 24 hours, depending on the dose.So, as shown in the sections above, most DayQuil products already contain a decongestant and therefore should not be taken with Sudafed. However, DayQuil only has a duration of action of around 4 to 6 hours per dose, so you could certainly separate your dosing of DayQuil and Sudafed by that amount of time and avoid an interaction.The concern with using NyQuil and Zyrtec at the same time is the potential for additive side effects from each, which could include: Drowsiness. Dry mouth. Dry eyes. Sedation. This interaction, for most people, wouldn't be considered too serious, but it is a drug interaction nonetheless, so is important to be aware of.Applies to: Children's Nyquil (chlorpheniramine / dextromethorphan / pseudoephedrine) and melatonin. Using dextromethorphan together with melatonin 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 ...pseudoephedrine; Vitamin D3 (cholecalciferol) Zyrtec (cetirizine) Stahist AD alcohol/food interactions. There is 1 alcohol/food interaction with Stahist AD (chlorcyclizine / pseudoephedrine). Stahist AD disease interactions. There are 10 disease interactions with Stahist AD (chlorcyclizine / pseudoephedrine) which include: cardiovascular diseaseSince immediate-release Tylenol products have a duration of action of around four to six hours, you should separate it from NyQuil by at least this amount of time. Extended-release Tylenol products (e.g. …Typically, Nyquil is taken at night before you go to bed, and Dayquil is taken during the day. Dayquil is similar to Nyquil, except Nyquil contains doxylamine, which causes sleepiness. And unlike most Nyquil products, Dayquil contains phenylephrine. Phenylephrine is a nasal decongestant that helps with nasal and sinus congestion and pressure.Taking steroid drugs in any form - orally, topically, through an inhaler or IV - can worsen glaucoma for these patients. Steroids applied closest to the eye carry the highest risk. Drugs taken by mouth or through an IV enter the eye through the bloodstream — about as close to the eye as you can get. But skin creams and inhalers are also ...3 doctors weighed in across 2 answers. i took nyquil about an hour ago but still really congested is it ok to take sudafed too?: Yes but migh affect: Yes but it might effect your sleep. Pseudoephedri. ….

Pseudoephedrine & milk supply: Thomas Hale Ph. D., a renowned breastfeeding pharmacologist (Breastfeeding Pharmacology), notes that "breastfeeding mothers with poor or marginal milk production should be exceedingly cautious in using pseudoephedrine" and that "it is apparent that mothers in late-stage lactation may be more sensitive to ...Zoloft - NyQuil Interaction Question. In our latest question and answer, our pharmacist discusses the interaction between one of the components of NyQuil and Zoloft. I currently take 200 mg of sertraline daily. I am coming down with a mild cold (stuffy/runny nose, scratchy throat). It gets worse at night especially while sleeping.Pseudoephedrine. Ephedrine. Phenylephrine. Naphazoline. Oxymetazoline. Also, check medicine labels for sodium content. Too much salt can raise blood pressure. If you have high blood pressure and need to treat cold symptoms, try these tips: Choose a cold medicine that's made for people with high blood pressure.MSNExtensions are one of the ways Web browsers can be customized to fit individual users. There is a vast library of extensions available for Google Chrome, including extensions that ...Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include Micromedex (updated 1 Apr 2024), Cerner Multum™ (updated 21 Apr 2024), ASHP (updated 10 Apr 2024) and others.pseudoephedrine (Sudafed®, Actifed®, Contrex®, and Nyquil®) phenylephrine (Neo-Synephrine®) ephedrine (also known as "ma huang") or any kind of appetite suppressant (such as Metabolife®) One of the biggest dangers to those with heart problems is sodium which causes your body to retain extra fluid. This hikes blood pressure levels and ...Sotalol Interactions. There are 607 drugs known to interact with sotalol, along with 20 disease interactions, and 3 alcohol/food interactions.Of the total drug interactions, 228 are major, 350 are moderate, and 29 are minor.For example, Nyquil contains acetaminophen, which can interact with certain sleep aids. It's always best to check with your doctor or pharmacist before taking any medication, even over-the-counter products. Yes, you can take Nyquil and sleep aid together. Nyquil is a cold and flu medicine that contains the antihistamine diphenhydramine.Consider pain medicine carefully. Use aspirin or acetaminophen to treat a fever, sore throat, headache or body aches. Do not take nonsteroidal anti-inflammatory drugs (NSAIDs). They may lead to high blood pressure. Examples of NSAIDs are ibuprofen (Motrin IB, Advil) and naproxen sodium (Aleve). Use saline nasal spray. Sudafed with nyquil, These popular medications could kill your erection; here's what you need to know., Oct 19, 2022 · Safe cold medications for those taking Eliquis include antihistamines, Tylenol (acetaminophen), the cough suppressant dextromethorphan, and Mucinex (guaifenesin). These do not interact with Eliquis. You should not take nasal decongestants (e.g., pseudoephedrine) or NSAIDs (e.g., ibuprofen, naproxen, and aspirin) unless specifically directed to ... , Sudafed Cold and Sinus; Theraflu Severe Cold and Congestion; Robitussin DM; Nyquil Cold and Flu Relief; Tylenol Cold and Flu; Medications to treat fever, aches and pains: Acetaminophen (Tylenol) About the Author: Lissa Hutchings joined the team as a Nurse Practitioner in 2018. Lissa is a board-certified Nurse Practitioner specializing in family ..., A doctor has provided 1 answer. is it safe to take nyquil 2 hours after taking clindamycin?: Yes: Yes. NyQuil has some decongestants and Benadryl as ingredients., If it contains alcohol as ingredient and you ingested the medication it will show as if you had been drinking. Explain to the authorities as you have done here, take the medication with you and show them. I do not know what else you can do besides getting a Dr.´s certificate stating you were prescribed NyQuil and currently under treatment for ..., Yes, you can take Sudafed and Nyquil together. Sudafed contains the active ingredient pseudoephedrine, which is a decongestant., Also, there are decongestants with paracetamol and/or dextromethorphan (for your cough) it it, which is already in the NyQuil. Both would be too much then. Look at the active ingredients and if anything is in both, you should not take them together. pseudoephedrine and ephedrine count as the same. Also, I may be biased and I am from Germany., Why YSK: Sudafed(PE) contains phenylephrine which is the active ingredient in almost every other similar OTC medication. This is a very weak type of decongestant and may not even provide you substantial relief. The Sudafed that is kept with the pharmacist contains pseudoephedrine (hence the name) and is the real one., 3 doctors weighed in across 2 answers. i took nyquil about an hour ago but still really congested is it ok to take sudafed too?: Yes but migh affect: Yes but it might effect your sleep. Pseudoephedri., The agency now must decide whether products containing the ingredient, like some Sudafed and NyQuil products, should no longer be sold or perhaps give companies lead time to substitute other ..., Potential benefits of taking NyQuil after Sudafed PE. Taking NyQuil after Sudafed PE have some potential benefits when you’re dealing with multiple cold and flu symptoms. NyQuil can help manage symptoms like fever, pain, allergy symptoms, and cough (1). Phenylephrine can help with nasal congestion (2). Together these meds can control various ..., All phones come with a speaker and a microphone. The speaker is how you hear the person talking from the other end and the microphone is what you talk into so the person on the oth..., Potential benefits of taking NyQuil after Sudafed PE. Taking NyQuil after Sudafed PE have some potential benefits when you're dealing with multiple cold and flu symptoms. NyQuil can help manage symptoms like fever, pain, allergy symptoms, and cough (1). Phenylephrine can help with nasal congestion (2). Together these meds can control various ..., The decongestant most likely to be problematic is pseudoephedrine, which is sold not only as a single-ingredient medication, but is found in multi-symptom cold, flu, …, dextromethorphan food. Applies to: Vicks Nyquil D Cold and Flu Nighttime Relief (acetaminophen / dextromethorphan / doxylamine / pseudoephedrine) 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., If you are taking both Sudafed and NyQuil at the same time, it is very important to know that how many hours after taking Sudafed you can take NyQuil. These drugs are usually use in the in the condition of fever, cold and flu. These medicine are used to relief…, For example, Sudafed, which manufactured pseudoephedrine, came out with Sudafed PE (for phenylephrine). Phenylephrine replaced pseudoephedrine in Nyquil Sinex Nighttime Sinus Relief., Safe cold medications for those taking Eliquis include antihistamines, Tylenol (acetaminophen), the cough suppressant dextromethorphan, and Mucinex (guaifenesin). These do not interact with Eliquis. You should not take nasal decongestants (e.g., pseudoephedrine) or NSAIDs (e.g., ibuprofen, naproxen, and aspirin) unless specifically directed to ..., There are certain drugs that should be avoided when taking benzonatate due to their potential interactions. Examples of such drugs include: Alcohol: Mixing alcohol with benzonatate can lead to increased drowsiness and may exacerbate the medication's sedative effects. It is advisable to avoid consuming alcohol while taking benzonatate., DePalma co-authored guidelines released in 2017 by the American Heart Association and American College of Cardiology focusing on the management of high blood pressure in adults. Both decongestants and non-steroidal anti-inflammatories (NSAIDs), found in many cold medicines, were listed as medications that could increase blood pressure., And as far as using Sudafed is considered, Sudafed (Pseudoephedrine) does not appear having any significant drug interactions with paxlovid, so this can be used when your son is on paxlovid. Wishing your son a very quick & complete recovery! Wishing you guys all - the very best of health! All the very best!, pseudoephedrine (Sudafed) Less convenient, but safer, are the nasal salt water lavages such as saline nasal sprays Neti-pots (Considered safe in recommended dosages) ... - Nyquil (contains doxylamine) Most cough medications are safe for flight, but caution for combination products with sedating antihistamines., It's found in common medications like Sudafed PE (not regular Sudafed), Theraflu, Tylenol Sinus, Advil Congestion, NyQuil Severe Cold and Flu products and more., There are several cold medications that interact with lithium, most notably, NSAIDs (e.g. ibuprofen) and caffeine-containing products. Safe cold medications include Tylenol, Mucinex and Sudafed. Lithium is a widely utilized and effective medication for the treatment of a variety of psychiatric conditions. These conditions include:, Taking steroid drugs in any form - orally, topically, through an inhaler or IV - can worsen glaucoma for these patients. Steroids applied closest to the eye carry the highest risk. Drugs taken by mouth or through an IV enter the eye through the bloodstream — about as close to the eye as you can get. But skin creams and inhalers are also ..., Sep 17, 2022 · Reads 179. In short, no. It is not recommended to take sudafed and nyquil together as they can counteract each other. While sudafed can help to dry up mucus and relieve congestion, nyquil is an over-the-counter medication that is used to treat the symptoms of the common cold and flu. Shortcuts. , Dr. Jeffrey Levine answered. Specializes in Family Medicine. Yes: Provided you do not have hypertension or other contraindications to decongestants. Just limit use of both medications and take as directed. Answered 3/20/2017., Benzonatate (generic for Tessalon) can safely be taken with most other cough medications. It should be noted however, that for most cough medications, there is a lack of evidence available showing that using a combination is more effective than using one alone., It is also the active ingredient in 'Sudafed'. All pseudoephedrine products must be purchased behind the pharmacy counter after the passing of the Combat Methamphetamine Act of 2005. ... NyQuil Severe contains phenylephrine while Zyrtec-D contains pseudoephedrine, two nasal decongestants. This interaction is described above in the 'DayQuil with ..., 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., Endocrinology 26 years experience. It Depends: Unfortunately, there are mult versions of Nyquil. Some contain the active ingredient in Sudafed (usually actually Sudafed PE which is phenylephrine). ... Read More. Created for people with ongoing healthcare needs but benefits everyone., Sudafed is a decongestant that contains pseudoephedrine, while Nyquil is a combination medication that typically includes acetaminophen (a pain reliever), dextromethorphan (a …, Bromfed DM, brompheniramine / dextromethorphan / pseudoephedrine, Mucinex D, Vicks Dayquil Cold & Flu Relief, Vanacof Images Coricidin HBP Cough & Cold chlorpheniramine maleate 4 mg / dextromethorphan hydrobromide 30 mg (CC)