In our latest question and also answer, our pharmacist discusses whether or no it ok to take it Zyrtec (cetirizine) through Mucinex.

You are watching: Can you take zyrtec and mucinex together


Jay asked

This afternoon about 4pm ns took a Zyrtec because that allergy associated symptoms, 6 hours I take it Mucinex fast max to assist with runny nose and also sneezing. I uncovered out that both have antihistamine in them and also I am concerned about if i took also much. Both have actually 10mg that antihistamine in them. Need to I it is in worried?


You don"t should be worried. If you take it Zyrtec and also Mucinex Fast-Max sixhours apart, the worst girlfriend are most likely to endure is added drowsiness and drymouth. Making use of alcohol or other drugs v either or both of these medicationswill likely intensify the drowsiness considerably. This may substantially impair yourability to journey or usage machinery, so please usage caution and also be safe.

Mucinex Fast-Max is a product line in which there room multiple version intended to treat a range of symptoms. Reviewing the ingredients of every the Fast-Max line ofproducts, the nighttime ranges contain one of two people diphenhydramine or doxylamineas one antihistamine.

A rapid lesson ~ above antihistamines. There space two main families ofantihistamines, let’s call them old-school and also new-school to do it less complicated toremember.

Old-school antihistamines incorporate drugs like

Diphenhydramine (Benedryl)Doxylamine(Unisom, NyQuil)Chlorpheniramine(Chlor-Trimeton, Chlor-Tabs)

These medicine block histamine receptors in both thebrain and also the rest of the body; they likewise interact v several various other receptortypes. This makes them great at relieving allergy symptoms, but additionally gives lock afew unpleasant side effects, particularly sedation/drowsiness, dried mouth, anddry eyes.

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New-school antihistamines encompass drugs like:

Cetirizine (Zyrtec)Fexofenadine (Allegra)Loratadine (Claritin)

These drugs, unequal the old-school ones, room designed so that they can’tcross the obstacle that protects the brain from harmful chemicals in her blood.The result is they deserve to only block histamine receptors uncovered in the rest of yourbody, and not in the brain, and also so they develop allergy relief with lot lessdrowsiness and other next effects.

That said, this doesn’t median they can’tmake you drowsy, and taking castle with other antihistamines, alcohol, or drugsthat influence the central nervous mechanism (bupropion, benzodiazepines likealprazolam or clonazepam, and others) deserve to produce an extensive additive effectsthat can impair your capability to do decisions or operate a vehicle.

Again, mixingthese substances need to be avoided if possible, and also if girlfriend must, usage caution.Thanks for her question!