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. 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 (cetirizineand pseudoephedrine) is a combination of an antihistamine and a decongestant used to treat cold or allergysymptoms such as nasal and sinuscongestion, sneezing, itching, watery eyes, or runny nose. Dilated blood vessels can cause nasal congestion (stuffy nose). 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 is a combination of cetirizine and pseudoephedrine. This medication is both an antihistamine and a decongestant. It treats symptoms of allergies. 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. Learn about ZYRTEC-D®: active ingredients, uses, side effects and how ZYRTEC-D® can help relieve your allergy and congestion symptoms and more. Explore Zyrtec's versatile allergy relief solutions, including tablets, liquid gels, and travel packs for comprehensive, prescription-strength coverage. 24 Hour Allergy Relief Tablets, Indoor & Outdoor Allergy Medicine with 10 mg Cetirizine HCl per Antihistamine Tablet, Relief of Allergies, 60 count. This product has sustainability features recognized by trusted certifications. Easy-to-read patient leaflet for ZyrTEC-D Allergy & Congestion. Includes indications, proper use, special instructions, precautions, and possible side effects.