In our latest question and answer, our pharmacist discusses even if it is or not it yes to take Zyrtec (cetirizine) through Mucinex.

You are watching: Can i take mucinex and zyrtec together


Jay asked

This afternoon about 4pm i took a Zyrtec for allergy connected symptoms, 6 hrs I took Mucinex fast max to aid with runny nose and sneezing. I found out that both have actually antihistamine in them and also I am concerned about if i took also much. Both have actually 10mg of antihistamine in them. Must I be worried?


You don"t should be worried. If you take it Zyrtec and Mucinex Fast-Max sixhours apart, the worst girlfriend are likely to endure is included drowsiness and also drymouth. Using alcohol or various other drugs with 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 use caution and be safe.

Mucinex Fast-Max is a product heat in i beg your pardon there space multiple execution intended come treat a range of symptoms. Reviewing the ingredient of every the Fast-Max line ofproducts, the nighttime arrays contain one of two people diphenhydramine or doxylamineas one antihistamine.

A fast lesson on antihistamines. There are two main families ofantihistamines, let’s contact them old-school and also new-school to make it easier toremember.

Old-school antihistamines incorporate drugs favor

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 additionally interact through several other receptortypes. This renders them an excellent at relieving allergy symptoms, but also gives lock afew unpleasant next effects, particularly sedation/drowsiness, dry 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, are designed so the they can’tcross the barrier that protects the mind from harmful chemicals in her blood.The an outcome is they deserve to only block histamine receptors uncovered in the rest of yourbody, and also not in the brain, and also so they produce allergy relief with lot lessdrowsiness and other side effects.

That said, this doesn’t typical they can’tmake friend drowsy, and also taking lock with various other antihistamines, alcohol, or drugsthat impact the central nervous mechanism (bupropion, benzodiazepines likealprazolam or clonazepam, and others) have the right to produce substantial additive effectsthat could impair your capacity to make decisions or run a vehicle.

Again, mixingthese substances should be avoided if possible, and also if girlfriend must, use caution.Thanks for her question!