Can Tylenol sinus be taken along with Zyrtec?

Zyrtec contains cetirizine, it is a class of medications called antihistamines.

Tylenol Sinus contains - Guaifenesin an expectorant and Phenylephrine HCl a nasal decongestant. The three drugs will probably be over kill on your Allergies / sinuses.

Check with your doctor or pharmacist to be sure.