Learn about Zyrtec-D (cetirizine / pseudoephedrine) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Zyrtec-D 2-in-1 allergy medicine treats indoor allergies caused by dust, mold & pet dander, as well as outdoor allergies from tree, weed, & grass pollen. Suitable for use by adults & children 12 years & older for allergy & nasal congestion relief. Shop zyrtec d at Walgreens. Find zyrtec d coupons and weekly deals. Pickup & Same Day Delivery available on most store items. ZYRTEC-D ® Allergy Relief and Nasal Decongestant Tablets contain 5 mg cetirizine HCl antihistamine and 120 mg pseudoephedrine decongestant for relief from nasal congestion, sinus pressure, and allergy symptoms caused by pollen, dust, pet dander, mold, and other airborne allergens. Zyrtec-D is a combination medicine used to treat cold or allergy symptoms such as nasal and sinus congestion, sneezing, itching, watery eyes, or runny nose. Zyrtec-D may also be used for purposes not listed in this medication guide. Zyrtec-D Allergy Relief & Nasal Decongestant Tablets combine the proven allergy relief of Zyrtec with a powerful nasal decongestant to relieve allergy symptoms and nasal congestion. Shop for Zyrtec D at Walmart.com. Save money. Live better. ZYRTEC-D (cetirizine, pseudoephedrine) Tablets are indicated for the relief of nasal and non-nasal symptoms associated with seasonal or perennial allergic rhinitis in adults and children 12 years of age and older. Learn about ZYRTEC-D®: active ingredients, uses, side effects and how ZYRTEC-D® can help relieve your allergy and congestion symptoms and more. Zyrtec-D is a combination of cetirizine and pseudoephedrine. This medication is both an antihistamine and a decongestant. It treats symptoms of allergies.