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

You are watching: Can you take zyrtec and mucinex together


Jay asked

This afternoon roughly 4pm i took a Zyrtec for allergy associated symptoms, 6 hrs I took Mucinex fast max to aid with runny nose and also sneezing. I found out the both have actually antihistamine in them and I to be concerned around if ns took too much. Both have 10mg that antihistamine in them. Need to I it is in worried?


You don"t have to be worried. If you took Zyrtec and Mucinex Fast-Max sixhours apart, the worst girlfriend are most likely to endure is included drowsiness and drymouth. Utilizing alcohol or various other drugs through either or both of these medicationswill most likely intensify the drowsiness considerably. This may substantially impair yourability to drive or use machinery, for this reason please usage caution and also be safe.

Mucinex Fast-Max is a product line in which there are multiple version intended come treat a selection of symptoms. Reviewing the ingredient of all the Fast-Max heat ofproducts, the nighttime arrays contain either diphenhydramine or doxylamineas an antihistamine.

A quick lesson on antihistamines. There space two main families ofantihistamines, let’s call them old-school and new-school to make it much easier toremember.

Old-school antihistamines encompass drugs choose

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

These medicine block histamine receptors in both thebrain and the rest of the body; they likewise interact through several various other receptortypes. This renders them an excellent at relieving allergy symptoms, but additionally gives them afew unpleasant side effects, an especially sedation/drowsiness, dry mouth, anddry eyes.

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New-school antihistamines incorporate drugs like:

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

These drugs, unequal the old-school ones, are designed so that they can’tcross the barrier that protects the mind from harmful chemistry in your blood.The result is they deserve to only block histamine receptors discovered in the remainder of yourbody, and not in the brain, and so they produce allergy relief with much lessdrowsiness and other next effects.

That said, this doesn’t average they can’tmake you drowsy, and also taking lock with various other antihistamines, alcohol, or drugsthat influence the main nervous device (bupropion, benzodiazepines likealprazolam or clonazepam, and also others) can produce considerable additive effectsthat might impair your ability to do decisions or operate a vehicle.

Again, mixingthese substances should be avoided if possible, and if you must, usage caution.Thanks for her question!