Dextromethorphan and zyrtec

Find patient medical information for chlorpheniramine-dextromethorphan oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.

mood changes; severe headache; or. severe dizziness or anxiety, feeling like you might pass out. Common side effects of Robitussin Cough + Chest Congestion DM may include: dizziness, drowsiness; sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may ... beginning of content Active ingredient: dextromethorphan. The medicines below all contain the following active ingredient(s): dextromethorphan. You can select a medicine from this list to find out more - including side effects, age restrictions, food interactions and whether the medicine is subsidised by the government on the pharmaceutical benefits scheme (PBS). Updated on July 2, 2023. By Marianne Belleza, R.N. Antitussives are drugs that suppress the cough reflex. Persistent coughing can be exhausting and can cause muscle strain and further irritation of the respiratory tract. Many disorders of the respiratory tract are accompanied by an uncomfortable, unproductive cough.Dextromethorphan is the most commonly used over-the-counter cough suppressant. It is the active ingredient in numerous products, including: ... Claritin, and Zyrtec, have anticholinergic properties, which can worsen symptoms of an enlarged prostate. They have 'drying' effects and can reduce muscle contractility in the bladder …Dextromethorphan and promethazine is a combination medicine used to treat cough, stuffy nose, runny nose, and sneezing caused by colds or allergies. dextromethorphan and promethazine is for use in adults and children at least 2 years old. Dextromethorphan and promethazine may also be used for purposes not listed in this …Dextromethorphan can increase serotonin levels in the body and has the potential of causing serotonin syndrome when used with other medications that affect serotonin. ... Antihistamines (e.g. Claritin, Zyrtec) are generally considered OK and safe to use. They can help with a variety of cold symptoms such as a runny nose and itchy, …

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.Oral liquids (e.g., DayQuil Cold and Flu, Theraflu Severe Cold and Cough Daytime) Each 15 mL (1 tablespoonful) contains 325 mg of acetaminophen, 10 mg of dextromethorphan, and 5 mg of phenylephrine. Adults and children 12 years and older: The typical dose is 30 mL (2 tablespoonfuls) by mouth every 4 hours while you're having symptoms.It is a cough suppressant that works by decreasing the feeling of needing to cough. Cough -and-cold products have not been shown to be safe or effective in children younger than 6 years. Do not ...Cough medications with dextromethorphan (such as Robitussin DM) Nasal saline preparations; Neti Pot; Allergy Medications. Preferred medications are: Antihistamines such as loratadine (Claritin), fenofexadine (Allegra), or cetirizine (Zyrtec) for sneezing and itchy eyes/nose, itching and hives.Detailed Brompheniramine / Dextromethorphan / Pseudoephedrine dosage information for adults and children. Includes dosages for Cough and Nasal Congestion; plus renal, liver and dialysis adjustments.Dextromethorphan, guaifenesin, and phenylephrine is a combination medicine used to treat cough, stuffy nose, and chest congestion caused by allergies, the common cold, or the flu.

Lists the various brand names available for medicines containing dextromethorphan. Find information on dextromethorphan use, treatment, drug class and molecular formula.1. Dextromethorphan có tác dụng gì? Ho là một phản xạ của cơ thể giúp loại bỏ các chất bài tiết, chất kích thích hoặc là một trong các biểu hiện của bệnh lý. Ho có thể là biểu hiện của bệnh lý đường hô hấp nhưng cũng …Side Effects. Slight drowsiness/ dizziness, nausea, or vomiting may occur. Rarely, some people may experience severe drowsiness/dizziness with normal doses. If any of these effects last or get ...Jun 26, 2023 · The dose for the second plateau is between 2.5 and 7.5 mg/kg. This works out to between 200 and 550 mg DXM. The second plateau is very different from the first. At this dose, the effects feel much more similar to alcohol but with a pronounced reduction in cognitive function. People at this stage feel drunk.

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cetirizine (Zyrtec) levocetirizine (Xyzal) desloratadine (Clarinex) A nasal decongestant such as oxymetazoline (contained in Afrin) which constricts blood vessels in the nasal passages; this leads to less secretions. Such medications should only be taken for a day or two; longer-term use can cause more harm than good) ... dextromethorphan, …This causes changes in mood and drowsiness, among other effects. Combining them with promethazine can cause excessive drowsiness. Dizziness, blurred vision, and dry mouth may also become worse. Your healthcare provider may recommend a lower TCA dose, or an alternative to promethazine. 4.1-800-719-9260. Principal Display Panel. Non-Drowsy - Long-Acting - Tussin - DEXTROMETHORPHAN HBr - Cough Suppressant - Adult Cough - Relieves: Cough for up to 8 hours - ALCOHOL 1.4% For ages 12 & over - Dosage cup provided - 4 FL OZ (118 mL) INGREDIENTS AND APPEARANCE. Product Information.Vicks Formula 44 Custom Care Cough and Cold PM: acetaminophen, chlorpheniramine, and dextromethorphan; Zyrtec D: cetirizine and pseudoephedrinedextromethorphan HBr 10 MG / guaiFENesin 100 MG in 10 mL Oral Solution: PSN: 2: 1790650: dextromethorphan hydrobromide 1 MG/ML / guaifenesin 10 MG/ML Oral Solution: SCD: 3: 1790650: dextromethorphan HBr 10 MG / guaifenesin 100 MG per 10 ML Oral Solution: SY: 4: 1790650: dextromethorphan HBr 20 MG / guaifenesin 200 MG per 20 ML Oral Solution: SY ...Dextromethorphan is the most commonly used over-the-counter cough suppressant. It is the active ingredient in numerous products, including: ... Claritin, and Zyrtec, have anticholinergic properties, which can worsen symptoms of an enlarged prostate. They have 'drying' effects and can reduce muscle contractility in the bladder which can, in turn ...

Dextromethorphan Interactions. There are 340 drugs known to interact with dextromethorphan, along with 1 alcohol/food interaction. Of the total drug interactions, 75 are major, 263 are moderate, and 2 are minor. ... Zyrtec (cetirizine) Dextromethorphan alcohol/food interactions. There is 1 alcohol/food interaction with dextromethorphan. …dextromethorphan and chlorpheniramine maleate (an antihistamine). Varieties may also contain acetaminophen and guaifenesin.Dextromethorphan (DM) is a noncompetitive N-methyl-d-aspartate (NMDA) receptor antagonist, which is widely used as an antitussive agent. DM also prevents neuronal damage and modulates pain sensation via noncompetitive antagonism of excitatory amino acids (EAAs). DM has been found to be useful in the treatment of pain in cancer patients …DXM is abused in high doses to experience euphoria and visual and auditory hallucinations. Users take various amounts depending on their body weight and the effect they are attempting to achieve. Some users ingest 250 to 1,500 milligrams in a single dosage, far more than the recommended therapeutic dosages described above.Dextromethorphan Pregnancy Warnings. Anti-tussive use during pregnancy has not been reported to increase the risk of teratogenic effects. However, there are no controlled data in human pregnancy. AU TGA pregnancy category A: Drugs which have been taken by a large number of pregnant women and women of childbearing age without any proven increase ...Active Ingredients: (IN EACH LIQUID-FILLED CAPSULE) Dextromethorphan HBr, USP 10 mg - Cough suppressant. Guaifenesin, USP 200 mg - Expectorant. ⚬This product contains the active ingredient Dextromethorphan HBr and Guaifenesin. *These statements have not been evaluated by the Food and Drug Administration.This causes changes in mood and drowsiness, among other effects. Combining them with promethazine can cause excessive drowsiness. Dizziness, blurred vision, and dry mouth may also become worse. Your healthcare provider may recommend a lower TCA dose, or an alternative to promethazine. 4.Sep 11, 2023 · Blurred vision. confusion. difficulty in urination. drowsiness or dizziness. nausea or vomiting (severe) shakiness and unsteady walk. slowed breathing. unusual excitement, nervousness, restlessness, or irritability (severe) CHEMICAL NAME. DXM is a widely available over-the-counter cough suppressant. When taken far above its standard medical dosage, it is a strong dissociative used primarily by teens. Many DXM-containing products (such as Coricidin Cough and Cold) also contain other active ingredients which can be dangerous or fatal in high doses.

The strong, soothing action of max-strength Robitussin Cough Syrup comes in a great raspberry flavor also available in liquid-filled capsules. For adults and children ages 12 and over, Robitussin Maximum Strength Cough + Chest Congestion DM should be taken in 20 mL doses every four hours; do not take more than six doses in any 24-hour period ...

dextromethorphan food. Applies to: Tylenol Cold & Flu Severe (acetaminophen / dextromethorphan / guaifenesin / 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.2-6 years: 2.5 mg (0.5 teaspoon) oral solution PO qDay; can increase to 5 mg PO qDay or 2.5 mg PO twice daily; not to exceed 5 mg qDay. >6 years: 5-10 mg PO qDay, depending on severity of symptoms; not to exceed 10 mg qDay. IV. Indicated for acute urticaria in adults and children aged ≥6 months.Mar 17, 2021 ... Dextromethorphan, a OTC cough suppressant, is found in Robitussin DM and Delsym. Expectorants help you to clear mucous from your air ...Nyquil Cold & Flu (Acetaminophen, Chlorpheniramine, And Dextromethorphan) received an overall rating of 8 out of 10 stars from 2 reviews. See what others have said about Nyquil Col...Dextromethorphan is primarily metabolized to dextrorphan by cytochrome P450 2D6 (CYP2D6), a genetically polymorphic enzyme in humans. Dextrorphan is an active metabolite that produces phencyclidine-like behavioral effects in animals and exhibits anticonvulsant and neuroprotective properties in a variety of experimental models.Applies to: Delsym (dextromethorphan) 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 alcohol while being treated with dextromethorphan.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 ...The average change in MADRS scores after six weeks was greater with dextromethorphan/bupropion than with bupropion (-13.7 points vs -8.8 points, 95% confidence interval [CI] = -3.1, -6.8), and ...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 alcohol while being treated with dextromethorphan.The active ingredients in NyQuil are acetaminophen, dextromethorphan HBr and doxylamine succinate. NyQuil also contains a number of inactive ingredients.

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Dextromethorphan and promethazine is a combination medicine used to treat cough, stuffy nose, runny nose, and sneezing caused by colds or allergies. dextromethorphan and promethazine is for use in adults and children at least 2 years old. Dextromethorphan and promethazine may also be used for purposes not listed in this …1. Decongestants. Over-the counter decongestants are medications that clear your sinuses when you’re stuffed up or have a cold. While decongestants can be useful for cold symptom relief, they may not be ideal to use if you have atrial fibrillation. Many decongestants use pseudoephedrine and phenylephrine as ingredients.Dextromethorphan works by decreasing activity in the part of the brain that causes coughing. It comes alone or in combination with antihistamines, cough suppressants, pain relievers and decongestants. NyQuil Cough is a great example of a cough syrup that combines dextromethorphan with an antihistamine. It offers you powerful cough relief during ...Current evidence suggests that the combination of dextromethorphan and bupropion is a well-tolerated, rapid-acting treatment option for adults with MDD. Initial success with AXS-05 supports the mechanistic role of glutamatergeric and sigma 1 signaling in the pathophysiology of MDD.Can Zyrtec-D be taken with Mucinex DM (Dextromethorphan HBr 20 mg; Guaifenesin 400 mg)? Answer. Yes, …Dextromethorphan (Delsym) is an over-the-counter cough suppressant (antitussive). It helps relieve "dry" cough in adults and children by suppressing the cough reflex. Dextromethorphan (Delsym) is available as an extended-release (ER) cough syrup that's taken by mouth, typically every 12 hours.It also comes as an immediate-release …Non-drowsy antihistamines, like fexofenadine and loratadine, the decongestant pseudoephedrine, and the cough suppressant dextromethorphan can cause anxiety or jitteriness, which can lead to ...Zyrtec (cetirizine) Tylenol Cold & Flu Severe alcohol/food interactions. There is 1 alcohol/food interaction with Tylenol Cold & Flu Severe (acetaminophen / dextromethorphan / guaifenesin / phenylephrine). Tylenol Cold & Flu Severe disease interactionsDextromethorphan/bupropion (DXM/BUP), sold under the brand name Auvelity, is a combination medication for the treatment of major depressive disorder (MDD). Its active components are dextromethorphan (DXM) and bupropion. Patients who stayed on the medication had an average of 11% greater reduction in depressive symptoms than … ….

A combination of dextromethorphan and quinidine was not included in the analysis because its use is not approved in Japan. Statistical analyses. All statistical analyses were performed using R software (version 3.5.1). For each included drug, we calculated the reporting odds ratio (ROR) to identify the drugs potentially associated with the ...Jun 10, 2022 · 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). Vicks Formula 44 Custom Care Cough and Cold PM: acetaminophen, chlorpheniramine, and dextromethorphan; Zyrtec D: cetirizine and pseudoephedrine; Other Treatments . To avoid taking too many medications at once and prevent unpleasant side effects, non-medication cold and allergy treatments can help relieve symptoms.Jun 10, 2022 · 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). Find patient medical information for dextromethorphan polistirex oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.Dextromethorphan is a generic drug, which means it's an exact copy of the active ingredient in a brand-name medication. A generic drug is considered to be as safe and effective as the original ...Dextromethorphan (Delsym, Robitussin 12-Hour Cough Relief) Menthol (Hall's Lozenges, Ricola Cough Drops) ... (Claritin), fexofenadine (Allegra), and cetirizine (Zyrtec), don't have these extra effects. They work well for allergies, but are not helpful for cold symptoms. Combination medications.Some cough and cold medications — including oral decongestants and certain pain relievers — can increase blood pressure. Cough medications like Mucinex (guaifenesin) and dextromethorphan (Delsym, Robitussin), and antihistamines like diphenhydramine (Benadryl) aren't known to increase blood pressure. If you have existing high blood pressure ...The combination of dextromethorphan (DEX) and bupropion (BUP) (Auveulty) was approved for treatment in 2022. This unique combination offers an interesting mechanism of action and favorable onset of action for patients with MDD. Pharmacodynamics and pharmacokinetics: The mechanism of action of DEX-BUP when used in combination is unique. Applies to: Delsym 12 Hour Cough Relief (dextromethorphan) 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 alcohol while being treated with dextromethorphan. Dextromethorphan and zyrtec, mood changes; severe headache; or. severe dizziness or anxiety, feeling like you might pass out. Common side effects of Robitussin Cough + Chest Congestion DM may include: dizziness, drowsiness; sleep problems ( insomnia ); diarrhea; or. feeling nervous, restless, anxious, or irritable. This is not a complete list of side effects and others may ..., 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., dextromethorphan food. Applies to: Coricidin HBP Chest Congestion & Cough (dextromethorphan / guaifenesin) 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 …, A combination of dextromethorphan and quinidine was not included in the analysis because its use is not approved in Japan. Statistical analyses. All statistical analyses were performed using R software (version 3.5.1). For each included drug, we calculated the reporting odds ratio (ROR) to identify the drugs potentially associated with the ..., Can you take cetirizine hydrochloride and loratadine together? A doctor has provided 1 answer. can you take delsym (dextromethorphan) and zyrtec at the same time?: Yes: You can take both together according to the instructions., Related/similar drugs Bromfed DM, brompheniramine / dextromethorphan / pseudoephedrine, Mucinex D, Vicks Dayquil Cold & Flu Relief, Vanacof Brompheniramine, Pseudoephedrine, Dextromethorpan Syrup - Clinical Pharmacology. Brompheniramine maleate is a histamine antagonist, specifically an H1-receptor-blocking agent belonging to the alkylamine class of antihistamines., Dec 31, 2015 · Dextromethorphan is an opioid-like molecule indicated in combination with other medication in the treatment of coughs and pseudobulbar affect. 14,15,13 It has a moderate therapeutic window, as intoxication can occur at higher doses. 10 Dextromethorphan has a moderate duration of action. 13 Patients should be counselled regarding the risk of ... , 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 …, Dextromethorphan is an opioid-like molecule indicated in combination with other medication in the treatment of coughs and pseudobulbar affect. 14,15,13 It has a moderate therapeutic window, as intoxication can occur at higher doses. 10 Dextromethorphan has a moderate duration of action. 13 Patients should be counselled regarding the risk of ..., Dextromethorphan received FDA approval in 1958 for its use as a cough suppressant. It is one of the most common compounds found in most over-the-counter antitussives for the past 50 years. In 2010, the FDA approved the use of dextromethorphan for pseudobulbar affect in combination with quinidine. This activity will highlight the mechanism of action, adverse event profile, approved and off ..., Dextromethorphan is extensively metabolized via cytochrome P450 (CYP) 2D6, and its half-life in extensive metabolizers is 2 to 4 hours. The purpose of this study was to evaluate the effects of DXM in combination with a moderate-to-strong CYP2D6 inhibitor antidepressant on depression in an acute care psychiatric setting., Robitussin Long-Acting CoughGels. For people who would rather take a pill, CoughGels control and relieve a frequent cough for up to 8 hours. Get long-lasting cough relief at home or on the go. ⚬This product contains the active ingredient Dextromethorphan HBr. 4.6., The average milk concentration of the active metabolite dextrorphan at that time was 14 mcg/L (95% CI 10.7 to 17.9 mcg/L). These values translated to average “worst-case” daily infant dosages of 0.33 mcg/kg and 1.8 mcg/kg, and relative infant dosages of 0.07% and 0.41% for dextromethorphan and dextrorphan, respectively., Dextromethorphan is a cough suppressant that is used to treat cough caused by the common cold or flu. There are many brands and forms of dextromethorphan available. …, There are 8 disease interactions with Vicks Nyquil Cough (dextromethorphan / doxylamine) which include: depression. anticholinergic effects. asthma/COPD. cardiovascular. renal/liver disease. glaucoma. liver disease. resp depression., Dextromethorphan is an effective antitussive agent for treating uncomplicated, nonproductive coughs. It is widely available in over-the-counter cough and cold remedies. Dextromethorphan is rapidly absorbed when given orally and excreted mostly in the urine. It has largely replaced codeine as a cough suppressant. It is devoid of analgesic ... , In search of an oral alternative to ketamine with fewer side effects, Iosifescu and his group turned to dextromethorphan—a chemical most known for its cough suppressant properties. The issue with dextromethorphan is that while it is a strong inhibitor of the NMDA receptor, it is quickly metabolized, Iosifescu noted., Robitussin is an OTC cough and cold suppressant. The safe dose of Robitussin for dogs is 0.5 to 1mg/lbs or 1 to 1.5mg/kg every 8-12 hours. Do not give the medicine to puppies Under 5 pounds. The ideal and safe amount of Robitussin depends on the dog's body weight and the illness's severity. The only safe variety of the medicine is ..., Online video can help replace in-person meetings. Find the best video conferencing software, free and paid, including Zoom alternatives. With more and more meetings taking place vi..., Cyclobenzaprine ( Amrix , Flexeril) Orphenadrine. Prostate cancer medications. Flutamide ( Eulexin) Leuprolide ( Eligard , Lupron) Chemotherapy drugs. Busulfan ( Busulfex, Myleran ..., Best Answer. I'm afraid that, even though it's unlikely it would be serious, the pseudoephedrine in the Zyrtec D and the dextromethorphan in the Mucinex could interact with each other. However ..., Multiple products can treat cough—including tablets, liquid-filled capsules, or a liquid solution—but the active ingredient you want to look for in each is …, There are 18 disease interactions with Promethazine DM (dextromethorphan / promethazine) which include: acute alcohol intoxication. cardiovascular disease. CNS depression. head injury. antidopaminergic effects 1. asthma. anticholinergic effects. asthma/COPD., dextromethorphan HBr 10 MG / guaiFENesin 100 MG in 10 mL Oral Solution: PSN: 2: 1790650: dextromethorphan hydrobromide 1 MG/ML / guaifenesin 10 MG/ML Oral Solution: SCD: 3: 1790650: dextromethorphan HBr 10 MG / guaifenesin 100 MG per 10 ML Oral Solution: SY: 4: 1790650: dextromethorphan HBr 20 MG / guaifenesin 200 MG per 20 ML Oral Solution: SY ..., Dextromethorphan also activates other areas in the brain called sigma-1 receptors. Together, these actions raise the levels of several chemicals in the brain that are thought to regulate mood. These chemicals include glutamate and serotonin. The other ingredient in Auvelity — bupropion -— helps boost the effectiveness of dextromethorphan., See if your prescriptions qualify, and start loving your pharmacy. Search for one of your prescriptions below to find out whether you can transfer to Cabinet® for: A free personalized, refillable-for-life glass bottle (no more orange plastic!), a medicine travel carrier, plus a bottle of 24 Hr Allergy Relief (Zyrtec®) free. If eligible, our pharmacists …, Methods and analysis A randomised, double-blind, add-on, placebo-controlled, group sequential design clinical trial will be conducted on patients with MDD who will be …, It is based on dextromethorphan polistirex and cetirizine hydrochloride (the active ingredients of Delsym and Zyrtec, respectively), and Delsym and Zyrtec (the brand names). Other drugs that have the same active ingredients (e.g. …, Dextromethorphan (DXM) is an antitussive medication found in numerous over-the-counter cold/cough medications, such as Delsym, Robitussin Pediatric Cough Suppressant, and Vicks 44 cough medications. The side effects of DXM use are generally mild, such as diaphoresis, fever, dizziness, nausea, vomiting, and mydriasis., 100 ML | £5.75 per 100ML. 1338374. Free next day delivery on selected medicines when you use code HEALTHFNDD, order by 8pm - online only. Suppresses dry cough, soothing effect. See details below, always read the label. Suitable for: Adults, the elderly and children over 12 years of age. Active ingredients: Dextromethorphan., Controls and relieves a frequent cough, plus thins mucus to relieve your chest congestion, too! Get your symptoms under control with a tough cough suppressant AND an effective expectorant. *Compared to Robitussin Cough + Chest Congestion DM 10mL. ⚬This product contains the active ingredient Dextromethorphan HBr and Guaifenesin., prednisone, hydroxyzine, fluticasone nasal, montelukast, promethazine, Zyrtec, epinephrine topical, pseudoephedrine, phenylephrine nasal, sodium chloride nasal Drugs.com Mobile Apps The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records., Dextromethorphan is a cough suppressant. Pseudoephedrine is a decongestant. Dextromethorphan and pseudoephedrine is a combination medicine used to treat cough, stuffy nose and sinus congestion caused by allergies or the common cold. Dextromethorphan and pseudoephedrine may also be used for purposes not listed in this medication guide.