Can you take zyrtec and nyquil together

Warnings. One ingredient in this product is acetaminophen. Taking too much acetaminophen may cause serious (possibly fatal) liver disease. Adults should not take more than 4000 milligrams (4 grams ...

Can you take zyrtec and nyquil together. Answer. There is no known interaction between cannabidiol (CBD) and NyQuil. They are generally considered to be safe to take together. However, there are very few studies evaluating potential drug interactions between CBD and other medication. Nevertheless, in studies that have been done, there has been no indication that CBD …

cetirizine food. Applies to: Zyrtec (cetirizine) Alcohol can increase the nervous system side effects of cetirizine 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 alcohol while being treated with cetirizine.

Applies to: diazepam and Zyrtec (cetirizine) Using cetirizine together with diazePAM may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. You should avoid or limit the use of alcohol while being ...Last updated on Sep 26, 2023. You may be able to take other medications with levothyroxine, but some of them will have to be taken at a different time from when you take your levothyroxine. Levothyroxine is known to interact with many other medications (called a drug-drug interaction), but there are different kinds of drug-drug interactions.Best Answer. Yes. Tums is a good antacid, but otherwise is pretty inert, so it doesn't react with much. Nyquil also uses other very safe meds, most motably diphenhydramine -- an antihistimine ...A shareholder’s basis is the market value of his stock investment for income tax purposes. Earnings and profits are distributed to the shareholder based on the amount of stock owne...Best Answer. Yes. Tums is a good antacid, but otherwise is pretty inert, so it doesn't react with much. Nyquil also uses other very safe meds, most motably diphenhydramine -- an antihistimine ...Antihistamine and decongestant combinations are used to treat the nasal congestion (stuffy nose), sneezing, and runny nose caused by colds and hay fever. Antihistamines work by preventing the effects of a substance called histamine, which is produced by the body. Histamine can cause itching, sneezing, runny nose, and watery eyes.Zyrtec (cetirizine) Bromfed DM alcohol/food interactions. There are 2 alcohol/food interactions with Bromfed DM ... 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.

Applies to: Zyrtec (cetirizine) and levetiracetam. Using cetirizine together with levETIRAcetam may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. You should avoid or limit the use of alcohol ...The main types are: Drug-drug interaction. This is when a medication reacts with one or more other drugs. For example, taking a cough medicine ( antitussive) and a drug to help you sleep (sedative ...Applies to: DayQuil / NyQuil Severe Cold and Flu (acetaminophen / dextromethorphan / doxylamine / guaifenesin / phenylephrine) and Zyrtec (cetirizine) Using cetirizine together with doxylamine may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience ...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).This can include diuretics, diabetes medications, and lithium. Interactions can result in low blood pressure, low blood sugar, and other signs and symptoms. Your healthcare provider and pharmacist can check for potential interactions. This can ensure you’re taking lisinopril with other medications safely.Apr 16, 2024 · It’s safe for most people to take allergy medications that are in different classes. For example, nasal steroids, such as Flonase (fluticasone propionate), and oral decongestants, such as Sudafed (pseudoephedrine), can be taken together. However, you shouldn’t combine multiple oral antihistamines, such as Zyrtec (cetirizine) and Benadryl ...The main types are: Drug-drug interaction. This is when a medication reacts with one or more other drugs. For example, taking a cough medicine ( antitussive) and a drug to help you sleep (sedative ...

/nwsys/www/images/PBC_1226573 Research Announcement: Vollständigen Artikel bei Moodys lesen Indices Commodities Currencies StocksAs mentioned, there is no interaction between Imodium products (any dosage form) and Nyquil. They may safely be taken together. It is important to note that some antihistamines, like doxylamine (which is contained in Nyquil), can cause constipation in some people. Combining Imodium and Nyquil could potentially cause constipation, but would be ...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.Yes its safe. The max doses per day are 2400mg for ibuprofen and 3000mg for acetaminophen (somewhat debatable). They will work synergistically and you should get better relief than using each individually. Multimodal analgesia is commonly used to gain better pain control than that which can be achieved using a single agent.Oct 18, 2023 · Tylenol can be taken on its own, but there are many multi-symptom cold & flu remedies that also contain acetaminophen as an active ingredient. These include: Alka-Seltzer Plus Cold & Flu. Contac Cold + Flu. Coricidin HBP Cold & Flu. Equate Cold & Flu Multi-Symptom Relief. Mucines Cold & Flu. Robitussin Multi-Symptom Cough Cold + Flu.6. Alcohol. Alcohol can cause dizziness, making motion sickness symptoms worse. So, drinking alcohol with Dramamine won't do you any favors. What's more, combining Dramamine with alcohol can increase the risk of drowsiness. The safest way to handle this interaction is to avoid alcohol with Dramamine.

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It’s usually safe to take Mucinex with Nyquil or Dayquil. But you should avoid taking Nyquil or Dayquil with Mucinex DM, since they all contain dextromethorphan. It’s possible to take too much acetaminophen if you combine Tylenol with Nyquil or Dayquil. Talk to your healthcare provider or pharmacist before combining these medications.Warnings. One ingredient in this product is acetaminophen. Taking too much acetaminophen may cause serious (possibly fatal) liver disease. Adults should not take more than 4000 milligrams (4 grams ...diphenhydrAMINE cetirizine. Applies to: Tylenol PM (acetaminophen / diphenhydramine) and Zyrtec (cetirizine) Using cetirizine together with diphenhydrAMINE may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor ...The main types are: Drug-drug interaction. This is when a medication reacts with one or more other drugs. For example, taking a cough medicine ( antitussive) and a drug to help you sleep (sedative ...

A decongestant called phenylpropanolamine (PPA) was used for years as an ingredient in many cold drugs to clear up a stuffy nose. In 2000, researchers found it was linked to an increased risk of ...Many people wonder if they can take Zyrtec and Nyquil together. Both Zyrtec and Nyquil are commonly used for allergy relief and cold symptoms respectively, but mixing them without caution may have adverse effects. Zyrtec is an antihistamine that helps alleviate allergy symptoms such as sneezing, itching, runny nose, and watery eyes.Specializes in Pediatrics. Yes: Should be fine - consider multi-ingredient cold medicines. But you are wise to ask the question. For example, different over the counter meds contain Tylenol (acetaminophen) and you risk getting too much of the drug by taking combinations. Answered 9/13/2015.Decongestants can pose a risk to people living with a thyroid disorder, such as an overactive thyroid ( hyperthyroidism) or an underactive thyroid ( hypothyroidism ). This is because ingredients like pseudoephedrine can affect the blood vessels throughout the body. Some drugs may interact with your thyroid medication.Vitamins may also help prevent this condition in the first place by keeping your immune system strong. Just make sure you're aware of any potential interactions. Vitamin C, for example, is the primary ingredient in dozens of cold medications, such as Emergen-C. This nutrient supports immune function and may help reduce cold duration, according ...Dell Technologies News: This is the News-site for the company Dell Technologies on Markets Insider Indices Commodities Currencies StocksZyrtec (cetirizine) Wixela Inhub alcohol/food interactions. There are 2 alcohol/food interactions with Wixela Inhub (fluticasone / salmeterol). ... 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.Common interactions include sneezing among females and bursitis infective among males. The phase IV clinical study analyzes what interactions people who take Oxycodone and Nyquil have. It is created by eHealthMe based on reports of 42 people who take Oxycodone and Nyquil from the FDA, and is updated regularly.

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Jan 8, 2022 · If you plan to take Zyrtec with Nyquil, it is essential to read the labels carefully and follow the recommended dosages.Applies to: Zyrtec (cetirizine) Alcohol can increase the nervous system side effects of cetirizine 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 alcohol while being treated with cetirizine.Can I take Zyrtec-D and NyQuil cough together? A doctor has provided 1 answer. A member asked: Can i take nyquil a few hours after taking zyrtec (cetirizine)? A doctor has provided 1 answer. Online Primary Care Doctors Accepting New Patients. $44 video appointments available today with a membership as low as $15/month.Minimally clinically significant. 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.As per my knowledge, it is not recommended to take Zyretc with hydroxyzine together. Both belong to the same class of drugs and act in the same manner. If Zyrtec and hydroxyzine are taken together, they have a synergistic effect and can cause increased sedation. Even taking Zyrtec and hydroxyzine on the same day with time apart is not ...By taking Singulair and Zyrtec together, you may experience a more effective reduction in allergy symptoms. While Singulair targets underlying inflammation and prevents asthma attacks triggered by allergies, Zyrtec combats immediate symptoms caused by histamine release. This combination can help alleviate nasal congestion, itchy eyes, sneezing ...I'm 30 weeks. I heard nyquil is bad. What about zquil. I have been sick all week and had a Dr apt today and doc said I can take psuedofed and benedryl just make sure its original. I also take zyrtec . You can take zyrtec, i used it through three pregnancies, doc okayed it, kids are healthy.Zyrtec (cetirizine) Astepro alcohol/food interactions. There is 1 alcohol/food interaction with Astepro (azelastine nasal). Report options. ... 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.

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Dr. Doanh Nguyen, md, faaaai answered. Specializes in Allergy and Immunology. Yes you can: You can take both medications together without any serious side effects providing that you take both at the recommended otc doses. Answered 4/6/2021. 4.7k views.Summary: Drug interactions are reported among people who take Montelukast sodium and Nyquil. Common interactions include bronchitis among females and rash among males. The phase IV clinical study analyzes what interactions people who take Montelukast sodium and Nyquil have. It is created by eHealthMe based on reports of 25 people who take ...Taking Zyrtec and Motrin together can be done safely, as these medications are commonly used to treat different conditions and work in different ways. However, it is always important to consult with a healthcare provider or pharmacist before combining any medications, to ensure personalized advice based on your individual medical history and ...The main types are: Drug-drug interaction. This is when a medication reacts with one or more other drugs. For example, taking a cough medicine ( antitussive) and a drug to help you sleep (sedative ...Applies to: Zyrtec (cetirizine) and pregabalin. Using cetirizine together with pregabalin may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. You should avoid or limit the use of alcohol while ...Portugal's popular pathway to citizenship could be going away. Here's everything you need to know right now. You can currently become a European Union citizen through real estate i...Applies to: Unisom SleepTabs (doxylamine) and Zyrtec (cetirizine) Using cetirizine together with doxylamine may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. You should avoid or limit the use of ...Can you take Zyrtec and Nyquil in the same day? Using cetirizine together with doxylamine may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination.If you have a cold, you may experience a fever, headache, chills, or body aches. The best medication for this while on Prozac is Acetaminophen. There are no known interactions between acetaminophen and Prozac (Fluoxetine). There are, however, known drug interactions with non-steroidal anti-inflammatory drugs (NSAIDs) like Ibuprofen, aspirin ...Zyrtec (cetirizine) Pravastatin alcohol/food interactions. There is 1 alcohol/food interaction with pravastatin. ... 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.The typical Zyrtec dosage for adults is 10 mg once daily, taken around the same time each day. Adults ages 65 and older should only take 5 mg of Zyrtec per day. Different Zyrtec dosage forms may contain different amounts of cetirizine. Below, we've outlined the specific instructions for taking each dosage form. ….

Applies to: Tylenol Allergy Sinus (acetaminophen / chlorpheniramine / pseudoephedrine) and Zyrtec (cetirizine) Using cetirizine together with chlorpheniramine may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor ...Bromfed DM Interactions. There are 544 drugs known to interact with Bromfed DM (brompheniramine / dextromethorphan / pseudoephedrine), along with 10 disease interactions, and 2 alcohol/food interactions. Of the total drug interactions, 85 are major, 451 are moderate, and 8 are minor.Promethazine with doxylamine represents a double dose of sedating antihistamines and is considered a duplicate therapy. You will likely feel drowsy or more tired when taking these drugs together. In addition, you may experience other side effects including: Constipation. Dizziness. Difficulty with urination. Dry mouth and eyes. Changes in vision.This article has been corrected. This article has been corrected. Alibaba plans to hold its estimated $15 billion initial public offering in New York, ending months of speculation—...Medicine safety. Tell your doctor or pharmacist if you're taking any other medicines, including herbal remedies, vitamins or supplements. Page last reviewed: 21 December 2021. Next review due: 21 December 2024. NHS medicines information on possible interactions with molnupiravir and other medicines, herbal remedies and supplements.Applies to: Robitussin Allergy & Cough (brompheniramine / dextromethorphan / pseudoephedrine) and Zyrtec (cetirizine) Using cetirizine together with brompheniramine may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and ...Applies to: Zyrtec (cetirizine) and azelastine nasal. Using cetirizine together with azelastine nasal may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. You should avoid or limit the use of ...Vitamins may also help prevent this condition in the first place by keeping your immune system strong. Just make sure you're aware of any potential interactions. Vitamin C, for example, is the primary ingredient in dozens of cold medications, such as Emergen-C. This nutrient supports immune function and may help reduce cold duration, according ...Nasal sprays are topical decongestants. The active ingredient works within minutes to shrink swollen blood vessels in your nasal passages, helping you breathe more easily. Sprays containing ...Answer. Zyrtec (cetirizine) and Dayquil may be safely taken together as there is no drug interaction between the two medications. It is important to emphasize that it is always a good idea to look at the labels of the over-the-counter cough/cold products you are looking to take as many of them include multiple ingredients. Can you take zyrtec and nyquil together, Can You Take NyQuil and Motrin at the Same Time. Yes, they can be taken together. However, it's vital to be aware of potential interactions and side effects. Here's what you need to know. NyQuil, a popular over-the-counter cold and flu remedy, works to alleviate symptoms like cough, runny and stuffy nose, and sneezing., However, medicines containing decongestants — including Allegra-D, Zyrtec-D and Claritin-D — could increase your blood pressure and heart rate or interfere with your heart medication. Managing a cold with hypertension . If you can't take a decongestant because of high blood pressure, there are other ways to reduce your cold or allergy symptoms:, Allergy to nonsteroidal anti-inflammatory drugs (NSAIDs) (eg, celecoxib, ibuprofen, naproxen, Advil®, Aleve®, or Motrin®)—Continue to avoid aspirin or NSAIDs while taking this medicine. Asthma attack, acute—Should not be used in patients with this condition. Mental health problems, history of—Use with caution. May make this condition ..., The good news is that in most cases, taking Mucinex and Zyrtec together is generally safe. Mucinex is an expectorant that helps loosen mucus in the airways, while Zyrtec is an antihistamine used to treat allergies. Since they target different symptoms, combining them can provide effective relief for individuals experiencing both congestion and ..., 973 people who take Zyrtec and Dexamethasone together, and have interactions are studied. What is Zyrtec? ... You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood. ... Zyrtec and Nyquil: 101 reports; Zyrtec and Nystatin: 956 reports; Zyrtec and Ocrevus: ..., Applies to: Zyrtec (cetirizine) and levetiracetam. Using cetirizine together with levETIRAcetam may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. You should avoid or limit the use of alcohol ..., Antihistamines may help to reduce the severity of overall cold symptoms for 1-2 days, according to the results of a large review. Look for products containing: Cetirizine, such as: Zyrtec. Diphenhydramine *, such as: Diabetic Tussin Nighttime Cold and Flu (also contains acetaminophen, and dextromethorphan) Benadryl., Both drugs can cause sedation, dizziness, and drowsiness, so taking both together can potentiate these effects. We have actually ... and marketed as such, while Zyrtec and Xyzal cause sedation in about 10% of individuals. ... (diphenhydramine), Chlor-Trimeton (chlorpheniramine), and doxylamine (the antihistamine in NyQuil) Final Words. You also ..., Drug interactions are reported among people who take Symbicort and Nyquil. Common interactions among females include carpal tunnel syndrome and catheter site pain. Common interactions among males include nasopharyngitis and aphonia. The phase IV clinical study analyzes what interactions people have when they take Symbicort and Nyquil together., Drowsiness: One of the most common side effects of Nyquil is drowsiness. The medication contains an antihistamine called doxylamine, which can cause drowsiness and sedation. It’s important to avoid driving or operating heavy machinery after taking Nyquil to ensure your safety. Dry mouth and throat: Nyquil may also lead to dryness in the mouth ..., If you took Zyrtec and Mucinex Fast-Max six hours apart, the worst you are likely to experience is mild side effects, like added drowsiness and dry mouth. While not all Mucinex Fast-Max products contain an antihistamine, some do. If the specific Mucinex product you are talking about does (e.g., Maximum Strength Fast-Max Night Cold & …, In most cases, it is not recommended to take ZzzQuil (diphenhydramine) and Klonopin (clonazepam) together. Co-administration of ZzzQuil and Klonopin can potentially increase the risk of side effects, including: Sedation; Dizziness; Respiratory depression (rare) ZzzQuil (Diphenhydramine) Information. ZzzQuil is a nighttime sleep aide by the ..., View interaction reports for oxymetazoline nasal and the medicines listed below. Major. Moderate. Minor. Unknown. Adderall (amphetamine / dextroamphetamine) Allegra (fexofenadine) Aspirin Low Strength (aspirin) Augmentin (amoxicillin / clavulanate), Dr. Steven Machtinger answered. Specializes in Allergy and Immunology. Increased sedation: Piriton is a brand name for chlorphenamine maleate aka Chlorpheniramine Maleate a classical antihistamine whose major adverse effect is drowsiness & prolonged reaction time. Other side-effects include constipation & in older men, urinary retention., Doubling Up on Active Ingredients. Some Mucinex products also contain other active ingredients besides guaifenesin. For instance, Mucinex DM has dextromethorphan, also found in NyQuil. Taking both medicines together could mean you're ingesting a double dose of this cough suppressant. Overdose of any medication can be harmful and lead to side ..., hydroxyzine. Zyrtec (cetirizine) Edit list (add/remove drugs) Consumer. Professional. Interactions between your drugs. Moderate. hydrOXYzine cetirizine. Applies to: …, Answer. Yes, oral antihistamines can be used in conjunction with nasal antihistamines, although current data suggests that the combination of the two is no more effective than using a nasal antihistamine as the sole treatment. Below, we discuss the data available in regard to whether or not there is benefit in combining an oral antihistamine ..., In general, antihistamines, acetaminophen, guaifenesin, and zinc/Vitamin C are considered safe to use with Lexapro (although antihistamines can increase the risk of dry mouth and dry eyes). Medications to be cautious of, or avoid, include NSAIDs (like ibuprofen), the cough suppressant dextromethorphan, and nasal decongestants (like Sudafed)., Answer. There is no known interaction between gabapentin and NyQuil. However, it's important to note that NyQuil contains several active ingredients, including doxylamine, which is a sedating antihistamine. Gabapentin is well known to have sedative side effects, especially at higher doses. Therefore, taking NyQuil with gabapentin can …, This can include diuretics, diabetes medications, and lithium. Interactions can result in low blood pressure, low blood sugar, and other signs and symptoms. Your healthcare provider and pharmacist can check for potential interactions. This can ensure you’re taking lisinopril with other medications safely., Can you take Hydroxyzine and Dayquil together? Nope. You're taking two different pain relievers in the Motrin and the DayQuil and two different allergy medicines in Zyrtec and DayQuil. If you have ..., Answer. Zyrtec (cetirizine) and Dayquil may be safely taken together as there is no drug interaction between the two medications. It is important to emphasize that it is always a good idea to look at the labels of the over-the-counter cough/cold products you are looking to take as many of them include multiple ingredients., A doctor has provided 1 answer. Dr. Michael Zacharisen answered. Specializes in Allergy and Immunology. Yes: While nyquil contains multiple ingredients that also includes an antihistamine, the addition of 1 Allegra (fexofenadine) (also an antihistamine) will not be harmful. Answered 10/20/2020., Taking Claritin with NyQuil may increase your risk of side effects. Drowsiness. Dizziness. Dry mouth. It's essential to be aware of these side effects and to avoid driving or operating heavy machinery while taking these medications. Taking Claritin with NyQuil in rare cases may cause more severe side effects. Difficulty breathing., Zyrtec (cetirizine) Metronidazole alcohol/food interactions. There are 2 alcohol/food interactions with metronidazole. ... 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., 6. Alcohol. Alcohol can cause dizziness, making motion sickness symptoms worse. So, drinking alcohol with Dramamine won't do you any favors. What's more, combining Dramamine with alcohol can increase the risk of drowsiness. The safest way to handle this interaction is to avoid alcohol with Dramamine., Can i take afrin nasal spray (12 hours) with nyquil together? Yes: It is not advisable to use the nose spray for more than a few days. If the conditions persist you need to see a physician. Yes: Yes, just make sure you are not using Afrin (oxymetazoline) for more then 3 days in a row by itself. It can lead to rebound congestion and make your ..., Also, it's probably best to avoid drinking alcohol when taking any cold or flu medications. Alcohol can increase the effect of ingredients like dextromethorphan, and it can compound the sedative effect of antihistamines. Plus, many cold meds contain acetaminophen which could potentially lead to liver damage if mixed with alcohol., Tylenol. Benadryl Cold/Flu. Alka-Seltzer Plus Cold & Flu. Theraflu Severe Cold & Cough. NyQuil. Coricidin HBP Cold & Flu. Vicks DayQuil Cold & Flu. Tylenol (or generic acetaminophen) can be combined with ibuprofen. You can also take Tylenol while taking naproxen., cetirizine food. Applies to: Zyrtec (cetirizine) Alcohol can increase the nervous system side effects of cetirizine 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 alcohol while being treated with cetirizine., Answer. Yes, oral antihistamines can be used in conjunction with nasal antihistamines, although current data suggests that the combination of the two is no more effective than using a nasal antihistamine as the sole treatment. Below, we discuss the data available in regard to whether or not there is benefit in combining an oral antihistamine ..., Combining DayQuil & NyQuil For Nighttime Use. While you could certainly combine DayQuil and NyQuil before bedtime (at appropriate dosages), it may not be as effective for sleep as NyQuil alone since DayQuil contains phenylephrine (nasal decongestant) and can cause insomnia in some people. However, taking one-half dose of each will not result in ..., Zyrtec (cetirizine) Montelukast disease interactions. There are 4 disease interactions with montelukast which include: neuropsychiatric disorders; ... 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.