Looking for allergy medicine? Read reviews and complaints about Claritin, including their product variety, side effects, availability and more. Loratadine, sold under the brand name Claritin among others, is a medication used to treat allergies. This includes allergic rhinitis (hay fever) and hives. It is also available in combination with pseudoephedrine, a decongestant, known as loratadine/pseudoephedrine. It is taken by mouth. Claritin-D 12 Hour Extended Release Tablets: Claritin-D 12 hour extended release tablets contain 5 mg loratadine in the tablet coating for immediate release and 120 mg pseudoephedrine sulfate equally distributed between the tablet coating for immediate release and the barrier-coated extended release COMMON BRAND NAMES. Alavert, Allergy Relief, Claritin, Claritin Chewable, Claritin Liqui-Gel, Claritin RediTab, Claritin-D 24 Hour, Clear-Atadine, Dimetapp Children's Non-Drowsy Allergy, QlearQuil All Day & All Night Allergy Relief, Tavist ND Claritin® allergy medicine gives adults and kids non-drowsy relief from indoor and outdoor allergy symptoms. Zyrtec vs Claritin. Allergies are what most of the population have. There are varying kinds of allergies. There are skin allergies, food allergies, and so on and so forth. Claritin is a brand name for the drug loratadine, an over-the-counter medication for relieving allergy symptoms. One formulation of Claritin, called Claritin-D, also contains pseudoephedrine. 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. This is so informative and thorough, thank you for the research! I am looking to start taking CBD for my muscle pain but i am an alcoholic and although I am trying to get help i am worried CBD will impact me badly. The largest comparison of Allegra, Zyrtec and Claritin. Indications, side effects and dosage.