In our recent question and also answer, the pharmacist discusses even if it is or no there is a drug interaction in between Claritin (Loratadine) and also DayQuil.

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Brit asked

Is it for sure to incorporate Claritin and DayQuil?


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

it is safe to take both Claritin and DayQuil with each other as over there is no interaction between the 2 medications. Let"s take a watch at every product more closely.


As a 2nd generation antihistamine, Claritin (loratadine) is commonly non-sedating and also does not cause drowsiness. Claritin (loratadine) works on the symptom of runny nose, itchy, watery eyes and also sneezing. It comes in 12 and also 24 hour formulations and effects deserve to be felt in ~ 1 come 3 hours. That is generally a fine tolerated medication with the most common side results being headache, drowsiness, fatigue and also dry mouth. Patients with known kidney or liver impairment or disease should examine with their doctor or various other health treatment provider prior to using.


DayQuil is a mix product that includes different drugs depending on which formulation is being used. The complying with DayQuil formulations might be available:

DayQuil HBP Cold and also Flu: paracetamol for fever/pain and Dextromethorphan for cough suppressantDayQuil Cold and also Flu Relief Caps: paracetamol for fever/pain, Dextromethorphan for cough suppressant and also phenylephrine for nasal congestionDayQuil major Cold and Flu: acetaminophen for fever/pain, Dextromethorphan for cough suppressant, phenylephrine for nasal congestions and guaifenesin because that expectorantDayQuil Cough and also Congestion Liquid: Dextromethorphan for sneeze suppressant and also guaifenesin because that expectorantDayQuil cough Suppressant: Dextromethorphan for cough suppressant

Below, we discuss each ingredient in the above DayQuil commodities in detail:

Ingredients had In DayQuil Products


Acetaminophen is offered as a fever reducer and for pain. If taking DayQuil with other drugs, it is important not come exceed the maximum sheep of acetaminophen. Acetaminophen has actually been linked with acute liver failure. Doses must not exceed 4 grams day-to-day in adults. Be mindful when combining through other medications that contain acetaminophen so as to not exceed the 4 grams maximum everyday dose.


Dextromethorphan is a cough suppressant supplied to aid control a cough. That is commonly a well tolerated medication. The most typical side results that have been reported are drowsiness, nausea, vomiting and stomach upset.


Phenylephrine is a decongestant that helps relax nasal and sinus congestion. Patients v high blood push should check with their physician or various other health treatment provider prior to taking. It can increase blood pressure and also cause heart stimulation consisting of palpitations, rapid heart beat and arrhythmias. Other possible side impacts include insomnia, anxiety, dizziness, headache and upset stomach.


Guaifenesin i am one expectorant supplied to ease mucus and make a cough more productive. The most usual side impacts are dizziness, drowsiness, headache, nausea, vomiting and also stomach pain.

as soon as taking combination products, it have the right to be quite easy to take it too lot of medicine if combine with various other products. It is essential for patients to establish what they are taking and also which medicines are in a details formulation. If over there is any confusion or questions, ask the pharmacist or one more health treatment provider for aid determining which product formulations are most appropriate for the symptoms you room trying come treat.

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