While browsing the allergy section at your local pharmacy, you may have come across Zyrtec and Zyrtec-D. Despite their names, Zyrtec and Zyrtec-D are not the same drug. They both contain cetirizine hydrochloride, which is used to treat allergy symptoms like sneezing, watery eyes, and an itchy, runny nose. However, Zyrtec-D has an added decongestant. Zyrtec is classified as an oral antihistamine. Compared to Benadryl diphenhydramine and other first-generation antihistamines, Zyrtec causes less drowsiness.
The main active ingredient in Zyrtec works by blocking histamine receptors to prevent the effects of histamine. Zyrtec and Zyrtec-D are similar allergy medications , but there are some important differences to consider. The main difference between Zyrtec and Zyrtec-D is that Zyrtec-D contains the decongestant pseudoephedrine. Also known by its brand name, Sudafed, pseudoephedrine works by shrinking blood vessels to reduce swelling and congestion in the nasal passages.
Zyrtec is the brand name for cetirizine. It is available as an oral syrup, orally disintegrating ODT tablet and oral tablet. Children aged 2 to 6 years old can be given the oral syrup. Zyrtec tablets can be administered to children, adolescents, and adults 6 years and older. Zyrtec can be purchased over the counter.
Zyrtec-D contains cetirizine and pseudoephedrine. It is only available as an oral tablet for adults and children 12 years and older. While Zyrtec can be found in the pharmacy aisles, Zyrtec-D is usually stored behind the counter at the pharmacy.
This is because there are restrictions on how much pseudoephedrine can be sold to a person at a given time. Both drugs are primarily indicated for seasonal allergic rhinitis, which causes symptoms such as runny nose and sneezing. Both drugs can also treat other symptoms of seasonal allergies such as itchy, watery eyes allergic conjunctivitis. Zyrtec is FDA approved to treat hives, or chronic urticaria. Allergic reactions on the skin can often manifest as hives and itching.
Because Zyrtec-D contains a nasal decongestant, regular Zyrtec is used for skin reactions. For general symptoms of allergic rhinitis, such as sneezing and watery eyes, Zyrtec and Zyrtec-D are similarly effective. For a stuffy nose, or nasal congestion, Zyrtec-D would be more effective because of the added decongestant. In a double-blind, clinical study, cetirizine was found to significantly improve symptoms of perennial allergic rhinitis.
The study measured symptom improvement by total symptom severity complex TSSC and a questionnaire for four weeks. Another randomized, controlled trial compared cetirizine with other antihistamines, such as fexofenadine and desloratadine. Results found that the antihistamines showed similar effectiveness. Consult your doctor or pharmacist on allergy medications that may be best for you. Consumers with liver or kidney disease: Ask a doctor. Active Ingredients:.
Cetirizine HCl 10 mg in each tablet. Inactive Ingredients:. Colloidal silicon dioxide , croscarmellose sodium , hypromellose , lactose monohydrate , magnesium stearate , microcrystalline cellulose , polyethylene glycol , titanium dioxide. Products You May Also Like. Sign in to print your coupon. Or use your traditional account. Forgot your password? Use another account. You are Now Registered! We are missing some information in your account. Create a new password. Sign in to complete account merge.
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Why Zyrtec.
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