Can i take zyrtec and nyquil together

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: clonazepam and Zyrtec (cetirizine) Using cetirizine together with clonazePAM 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 ...Aug 7, 2022 · 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 ... Xarelto disease interactions. There are 6 disease interactions with Xarelto (rivaroxaban) which include: bleeding. valvular heart disease. antiphospholipid syndrome. hepatic impairment. renal disease. unstable blood pressure.Common interactions among females include fatigue and chest pain. Common interactions among males include cholelithiasis and fungal infection. The phase IV clinical study analyzes what interactions people have when they take Tizanidine hydrochloride and Nyquil together. It is created by eHealthMe based on data from the FDA, and is updated ...dextromethorphan hydrOXYzine. Applies to: Vicks NyQuil Severe Cold & Flu (acetaminophen / dextromethorphan / doxylamine / phenylephrine) and hydroxyzine. Using dextromethorphan together with hydrOXYzine may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also ...can you take ceftin and claritin together Is advil cold and sinus and Zyrtec d the same kind of medicine? Yes, both have Pseudophedrine as one of the active ingredients, so you will be taking more ...These products contain ibuprofen plus a nasal decongestant to provide relief for symptoms including: headache, fever, minor body aches and pains, sinus pressure, and nasal congestion. For further questions concerning your use of Advil products, please speak with a healthcare provider. If your symptoms continue to persist or get worse, please ...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.

Yes you can will be very drowsy. Hello, you can take tramadol with nyquil, however they both may have the same dopey effect. It can slow your breathing down and even depress your pulse. Tramadol wasn't even considered a narcotic just a few years ago and its absolutely a mild narcotic, where you can take the nickel to help with your cough.8 doctors weighed in across 2 answers. can i take ambien (zolpidem) and nyquil together?: No: Both are sedating medicines, and it's best to take only one at a t.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.Mucinex DM contains dextromethorphan, which is also found in Nyquil. Taking Mucinex DM and Nyquil together could result in too much dextromethorphan in your system, leading to more side effects like dizziness and drowsiness. This combination should be avoided. Mucinex and Dayquil. Mucinex and Dayquil should also be safe to take together.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 ...Zyrtec (cetirizine) Delsym alcohol/food interactions. There is 1 alcohol/food interaction with Delsym (dextromethorphan). 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.Should be OK.: Mucinex (guaifenesin) is an expectorant called guanefesin while nyquil is a combination of pain reliever, cough suppressant, antihistamine/hypnotic, a... Read More. Created for people with ongoing healthcare needs but benefits everyone. Mucinex (guaifenesin) dm/nuquil to: It is not a good idea to take them together nyquil is …

Using dextromethorphan together with doxylamine 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. You should avoid or limit the use of alcohol while being treated with these medications.I maintain that no one needs to be warned not to eat chicken cooked in cold medicine. Dear Food and Drug Administration: You need to start asking me what things are real and what t...Yes, you can take NyQuil and Aleve together. However, I do recommend taking the two at separate times. This is because both NyQuil and Aleve contain painkillers (1,2). NyQuil consists of the following ingredients (2): Aleve, on the other hand, contains Naproxen. Both Acetaminophen and Naproxen are painkillers.DayQuil or NyQuil and Methotrexate. DayQuil, which contains a mix of acetaminophen, dextromethorphan, and phenylephrine, and NyQuil, which is made from acetaminophen, dextromethorphan, and ...Precautions to Take When Using Nyquil and Antibiotics. Nyquil is a medication commonly used to treat cold and flu symptoms. It is important to consult your doctor before taking Nyquil and other medications together. Taking Nyquil with other medications that contain dextromethorphan and doxylamine can increase the risk of side effects.

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Zyrtec (cetirizine) Vicks Sinex Severe Nasal Spray disease interactions. There are 3 disease interactions with Vicks Sinex Severe Nasal Spray ... 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.Can I take Nyquil together with fluoxetine? No, you should not take Nyquil while on fluoxetine. This is because most types of Nyquil contain the active ingredient dextromethorphan (amongst others), which should not be taken together with fluoxetine as fluoxetine can cause an unintended increase in the level of dextromethorphan in your …Yes, you can take Zyrtec in the morning and NyQuil at night, but there has to be at least a 12-hour time gap in between. Zyrtec is a second-generation antihistamine and NyQuil is an OTC formulation containing multiple active ingredients (1,2). NyQuil contains three active ingredients: Acetaminophen, Dextromethorphan, and Doxylamine.Applies to: Vicks NyQuil Severe Cold & Flu (acetaminophen / dextromethorphan / doxylamine / phenylephrine) and tramadol. Using traMADol together with doxylamine may increase the risk and/or severity of some side effects such as dizziness, drowsiness, confusion, difficulty concentrating, difficulty urinating, dry mouth, abdominal cramping, and ...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.

Key points. In general, it is safe to combine oral antihistamines (like Zyrtec) and nasal antihistamines (like Astelin). However, most studies find that the combination …can you take ceftin and claritin together Is advil cold and sinus and Zyrtec d the same kind of medicine? Yes, both have Pseudophedrine as one of the active ingredients, so you will be taking more ...Key points. In general, it is safe to combine oral antihistamines (like Zyrtec) and nasal antihistamines (like Astelin). However, most studies find that the combination … Applies to: Vicks NyQuil Severe Cold & Flu (acetaminophen / dextromethorphan / doxylamine / phenylephrine) and Zyrtec (cetirizine) Using cetirizine together with doxylamine may increase side effects such as dizziness, drowsiness, and difficulty concentrating. codeine cetirizine. Applies to: Robitussin-AC (codeine / guaifenesin) and Zyrtec (cetirizine) Using cetirizine together with codeine 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.Antihistamines. Antihistamines can be safely taken with a Prescription as they don’t really interact with one another. Common antihistamines include Benadryl, Claritin, Allegra, Zyrtec etc. Nasal decongestants. Nasal decongestants like Pseudoephedrine and Phenylephrine can be used along with Prednisone. However, the …I gave my 15 year old a zyrtec (cetirizine) this morning (9am) can i give him some nyquil, as the zyrtec (cetirizine) did nothing to help him. ? 2 doctors weighed in across 2 answers. can i take zyrtec-d and nyquil cough together?: ZyrtecD+Nyquil Cough: I would recommend that you NOT take these medica.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.diphenhydrAMINE cetirizine. Applies to: ZzzQuil (diphenhydramine) and Zyrtec (cetirizine) Using cetirizine together with diphenhydrAMINE may increase side effects such as …Lose It has unveiled a new capability that lets users log calories based on photos of the food they eat. By clicking "TRY IT", I agree to receive newsletters and promotions from Mo...You can take Flonase and Zyrtec (cetirizine) together. But this doesn't always provide more allergy relief for everyone. Regular use of a steroid nasal spray (e.g., Flonase) is more effective than an oral antihistamine (e.g., Zyrtec). So, if you're already using a steroid nasal spray, there's usually no benefit to adding on an oral ...

Can I take Zyrtec and Nyquil at the same time? 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. Does Nyquil affect sertraline?

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.Although Benadryl is a first-generation antihistamine and Zyrtec is a second-generation antihistamine, they both work the same way (by blocking histamine receptors). Taking Benadryl and Zyrtec together likely will increase the risk of side effects (e.g. tiredness, dry mouth, etc...) but there are situations where both can be used the same day.Claritin and NyQuil can cause some common side effects when they are used together as they both are antihistamines and have the same mechanism of action. These include (1,2): Dry mouth. Dry eyes. Nausea. Constipation. Sedation. Dizziness or lightheadedness. Confusion.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 ...DayQuil or NyQuil and Methotrexate. DayQuil, which contains a mix of acetaminophen, dextromethorphan, and phenylephrine, and NyQuil, which is made from acetaminophen, dextromethorphan, and ...Home chevron_right Drug Comparisons. Compare Zyrtec vs. Nyquil. Head-to-head comparisons of medication uses, side effects, warnings, and more. Cetirizine (Zyrtec) Nyquil cold and flu. Summary. Cetirizine (Zyrtec) is an antihistamine. It's used for relief of allergy symptoms, such as runny nose or watery eyes, in adults and children.Mucinex DM contains dextromethorphan, which is also found in Nyquil. Taking Mucinex DM and Nyquil together could result in too much dextromethorphan in your system, leading to more side effects like dizziness and drowsiness. This combination should be avoided. Mucinex and Dayquil. Mucinex and Dayquil should also be safe to …

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dextromethorphan hydrOXYzine. Applies to: Vicks NyQuil Severe Cold & Flu (acetaminophen / dextromethorphan / doxylamine / phenylephrine) and hydroxyzine. Using dextromethorphan together with hydrOXYzine may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also ...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 …7 doctors weighed in across 2 answers. Caution: Taking both Nyquil and Norco (hydrocodone and acetaminophen) may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Avoid alcohol while taking these meds. Talk to prescribing doctor. I hope this helps.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 ...Can I take zyrtec and nyquil together. ... Can I take zyrtec and mucinex together. Connect with a U.S. board-certified doctor by text or video anytime, anywhere. Talk to a doctor now . $44 video appointments with $19/month membership * * Billed $57 every 3 months. Cancel anytime.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.In theory, the problem here, if you're trying to get pregnant, is that these drugs don't have a localized effect. Instead, they impact your whole body, which means they're also drying out important membranes, uh, elsewhere. Specifically, these medications could dry out the mucous membranes that line the path the sperm travels up to get to ...Zyrtec (cetirizine) Flonase disease interactions. There are 5 disease interactions with Flonase (fluticasone nasal) which include: hyperadrenocorticism; ... 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.Official answer. by Drugs.com. 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.Mucinex DM contains dextromethorphan, which is also found in Nyquil. Taking Mucinex DM and Nyquil together could result in too much dextromethorphan in your system, leading to more side effects like dizziness and drowsiness. This combination should be avoided. Mucinex and Dayquil. Mucinex and Dayquil should also be safe to … ….

JENSEN QUALITY VALUE FUND CLASS Y- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies StocksThe 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.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.To summarize, there is no interaction between the muscle relaxant baclofen and the allergy medication you are taking (Zyrtec, Chlor-Trimeton). However, each of those can cause drowsiness and sedation. The Chlor-Trimeton is known to be more likely to cause sedation than Zyrtec is so it may be advisable to take Chlor-Trimeton at night.Yes, you can take NyQuil and Aleve together. However, I do recommend taking the two at separate times. This is because both NyQuil and Aleve contain painkillers (1,2). NyQuil consists of the following ingredients (2): Aleve, on the other hand, contains Naproxen. Both Acetaminophen and Naproxen are painkillers.dextromethorphan hydrOXYzine. Applies to: Vicks NyQuil Severe Cold & Flu (acetaminophen / dextromethorphan / doxylamine / phenylephrine) and hydroxyzine. Using dextromethorphan together with hydrOXYzine may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, …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.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.At a glance. Theraflu Nighttime products contain diphenhydramine, a sedating first-generation antihistamine. Since Zyrtec is also an antihistamine, taking both can increase the risk of side effects like excess sedation and dry eyes. Intermittent use of diphenhydramine however, even if you are taking Zyrtec daily for allergy prevention, may be ... Can i take zyrtec and nyquil together, Most people can take Tamiflu and acetaminophen (Tylenol) together. There's no known interaction between these medications. Tylenol can help relieve certain flu symptoms, such as fever and body aches. In fact, taking Tamiflu and Tylenol can be a safe and helpful way for many people to manage flu symptoms., 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), We would like to show you a description here but the site won’t allow us. , Summary: Drug interactions are reported among people who take Oxycodone and Zyrtec. Common interactions among females include sinusitis and arthralgia. Common interactions among males include constipation and diarrhoea. The phase IV clinical study analyzes what interactions people have when they take Oxycodone and Zyrtec together., 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, and naproxen. Taking Prozac (Fluoxetine) with NSAIDs or aspirin can result in an ..., 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., 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., Pros and Cons. Pros and Const for Antihistamine / Decongestant. Pros. • Easier to take a combination pill instead of two separate pills to treat congestion and other allergy symptoms. • Starts working within an hour. • Usually causes less daytime drowsiness compared to other antihistamines. • Available over-the-counter (OTC) without a ..., 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., 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., Increased Drowsiness and Impaired Cognitive Function. One of the main concerns when combining alcohol and Zyrtec is the increased drowsiness and impaired cognitive function that can occur. Both alcohol and Zyrtec have sedative effects on the central nervous system. When taken together, these effects can be intensified, leading …, 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., Zyrtec (cetirizine) Budesonide alcohol/food interactions. There is 1 alcohol/food interaction with budesonide. ... 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: lorazepam and Zyrtec (cetirizine) Using cetirizine together with LORazepam 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 ..., Zyrtec (cetirizine) Capmist DM alcohol/food interactions. There is 1 alcohol/food interaction with Capmist 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., They can raise your blood pressure. • Pseudoephedrine is not safe for kidney patients. Medications for cough and chest congestion . Okay to use: • Guaifenesin (Mucinex and Robitussin DM ) for cough and chest congestion. • The cough suppressant dextromethorphan (Delsym DM , Vicks Nyquil Cough Liquid )., Answer. It is not safe to take ZzzQuil with NyQuil as both contain sedating "first generation" antihistamines. Using both together would be considered a therapeutic duplication and can increase the risk of side effects. ZzzQuil contains diphenhydramine, the same active ingredient in Benadryl. NyQuil contains doxylamine, also a sedating "first ..., Taking both can lead to acetaminophen toxicity and liver failure. Hi Mary and thanks for writing to us. Tylenol (or by the generic acetaminophen) is a commonly used over-the- counter drug that has been used for decades to help relieve pain and fever. NyQuil is a combination medication used to treat a handful of cough and cold symptoms., dextromethorphan hydrOXYzine. Applies to: Vicks NyQuil Severe Cold & Flu (acetaminophen / dextromethorphan / doxylamine / phenylephrine) and hydroxyzine. Using dextromethorphan together with hydrOXYzine may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, …, We would like to show you a description here but the site won't allow us., 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 …, Applies to: Daytime Cold and Flu Relief (acetaminophen / dextromethorphan / 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. You should avoid or limit the use of alcohol while ..., Allergy medications that work differently in the body or are administered differently can be safely taken together. For instance, someone taking an oral antihistamine, such as Zyrtec (cetirizine), can also use antihistamine eye drops, such as Pataday (olopatadine), to treat both sneezing and itchy or watery eyes.. Nasal sprays, …, Zyrtec (cetirizine) Zyrtec (cetirizine) Coricidin HBP Cough & Cold alcohol/food interactions. ... 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., When it comes to taking medications, it’s important to be aware of potential risks, especially when combining different drugs. While Advil and Nyquil are commonly used over-the-counter medications for pain relief and cold symptoms respectively, mixing them together can have unintended consequences., Zyrtec (cetirizine) Zicam Extreme Congestion Relief disease interactions. ... 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., We would like to show you a description here but the site won’t allow us., Can I take Zyrtec and Nyquil at the same time? 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. Does Nyquil affect sertraline?, Answer. Cold-eeze, which contains zinc gluconicum (i.e. zinc gluconate), is an over the counter product used to treat the severity and symptoms of the common cold. Due to it's popularity, it is a good idea to check any potential drug interactions between Cold-Eeze and prescription medication. Fortunately, Cold-Eeze (notabily zinc) does not have ..., Many people wonder if they can take Benadryl and Nyquil together, especially when dealing with cold or allergy symptoms. Both medications are commonly used to relieve symptoms such as sneezing, runny nose, and itchy eyes. However, it is important to understand the potential risks and interactions before combining these two drugs., 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. , Allegra and Zyrtec. Although you can mix some allergy medications, combining certain medications can raise the risk of serious side effects. Oral …, Applies to: Coricidin HBP Cough & Cold (chlorpheniramine / dextromethorphan) 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 coordination.