In our latest question and answer, the pharmacist discusses whether or not there is a drug interactivity in between Claritin (Loratadine) and DayQuil.

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Brit asked

Is it safe to combine Claritin and also DayQuil?


Claritin (loratadine) is a 2nd generation antihistamine offered to treat seasonal allergies and also urticaria (hives). DayQuil Cold & Flu (acetaminophen/dextromethorphan/phenylephrine) is a combination product supplied to treat fever, cough and sinus congestion.

It is safe to take both Claritin and DayQuil together as tright here is no interactivity in between the 2 medications. Let"s take a look at each product even more carefully.


As a second generation antihistamine, Claritin (loratadine) is commonly non-sedating and also does not reason drowsiness. Claritin (loratadine) works on the symptoms of runny nose, itchy, watery eyes and also sneezing. It comes in 12 and also 24 hour formulations and impacts deserve to be felt within 1 to 3 hrs. It is typically a well tolerated medication via the a lot of common side impacts being headache, drowsiness, tiredness and dry mouth. Patients through recognized kidney or liver impairment or condition have to inspect via their doctor or other wellness care provider before using.


DayQuil is a mix product that has different drugs relying on which formulation is being offered. The complying with DayQuil formulations may be available:

DayQuil HBP Cold and also Flu: Acetaminophen for fever/pain and also Dextromethorphan for cough suppressantDayQuil Cold and also Flu Relief Caps: Acetaminophen for fever/pain, Dextromethorphan for cough suppressant and also phenylephrine for nasal congestionDayQuil Severe Cold and Flu: Acetaminophen for fever/pain, Dextromethorphan for cough suppressant, phenylephrine for nasal congestions and also guaifenesin for expectorantDayQuil Cough and also Congestion Liquid: Dextromethorphan for cough suppressant and also guaifenesin for expectorantDayQuil Cough Suppressant: Dextromethorphan for cough suppressant

Below, we comment on each ingredient in the above DayQuil assets in detail:

Ingredients Contained In DayQuil Products


Acetaminophen is used as a fever before reducer and for pain. If taking DayQuil with other drugs, it is necessary not to exceed the maximum dose of acetaminophen. Acetaminophen has been associated via acute liver faientice. Doses must not exceed 4 grams day-to-day in adults. Be careful once combining with various other medicines that contain acetaminophen so regarding not exceed the 4 grams maximum day-to-day dose.


Dextromethorphan is a cough suppressant supplied to assist control a cough. It is generally a well tolerated medication. The the majority of prevalent side effects that have actually been reported are drowsiness, nausea, vomiting and stomach upset.


Phenylephrine is a decongestant that helps relieve nasal and sinus congestion. Patients with high blood push have to check via their medical professional or other health and wellness care provider before taking. It ca boost blood pressure and also cause heart stimulation consisting of palpitations, fast heart beat and arrhythmias. Other possible side impacts encompass insomnia, stress, dizziness, headache and also upset stomach.


Guaifenesin isan expectorant provided to loosen mucus and make a cough even more fertile. The most prevalent side results are dizziness, drowsiness, headache, nausea, vomiting and stomach pain.

When taking combicountry products, it deserve to be fairly easy to take too a lot of drug if combining with other assets. It is vital for patients to realize what they are taking and also which medications are in a certain formulation. If tright here is any confusion or questions, ask the pharmacist or one more health and wellness treatment provider for assist determining which product formulations are the majority of appropriate for the symptoms you are trying to treat.

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Taking Claritin (loratadine) and DayQuil Cold & Flu (acetaminophen/dextromethorphan/phenylephrine) is safe. Adding Claritin (loratadine) to DayQuil Cold & Flu will certainly additionally give relief to any allergy symptoms existing such as runny nose, watery, itchy eyes and also sneezing.