If you are taking other medications, or if you have liver or kidney problems, talk to your doctor before taking either Zyrtec or Claritin. Zyrtec for Dogs Great discount on the Claritin products for allergy relief in children and adults Whether you have a runny nose, sneezing, itchy, nasal congestion comes from a cold or allergies, Claritin can help you relieve worst allergy symptoms all day long. Easy-to-read patient leaflet for AllerClear D-24 Hour 24-hour sustained-release tablets. Includes indications, proper use, special instructions, precautions, and possible side effects. Which drug is safer and better for different kinds of pain? Advil and Aleve are popular over-the-counter painkillers that have more similarities than differences between them. What is Zyrtec? Cetirizine is the generic name for the brand name Zyrtec and is a medication that is used to treat moderate to severe allergies, cold symptoms or chronic hives. Tessalon Perles (benzonatate) can help relieve a dry cough, but it is not the best treatment if you're coughing up mucus. Benadryl (Diphenhydramine) is great for allergies, but curl up on the couch after taking it and get ready for a nap. The Dimetapp Elixir brand name has been discontinued in the U.S. If generic versions of this product have been approved by the FDA, there may be generic equivalents available. Amiodarone may cause lung damage that can be serious or life-threatening. Tell your doctor if you have or have ever had any type of lung disease or if you have ever developed lung damage or breathing problems while taking amiodarone. Be careful using machinery. Even though cetirizine doesn’t usually cause drowsiness, some people respond differently when taking it, especially in the first few doses. Claritin-D (loratadine / pseudoephedrine) relieves allergies and congestion without causing daytime sleepiness but it can keep you up at night. Zyrtec D (Cetirizine / Pseudoephedrine) relieves allergies and congestion without causing daytime sleepiness. It can keep you up at night if you take it too close to bedtime.