Take claritin (loratadine) for sinus infection? answers from doctors. Zyrtec and claritin are two popular antihistamines that can reduce allergy symptoms such as sneezing, itching, and rashes. zyrtec contains cetirizine and claritin contains loratadine. their. See more results. More claritin d sinusitis images. Claritin-d is used to treat sneezing, runny or stuffy nose, itchy or watery eyes, hives, skin rash, itching, and other symptoms of allergies and the common cold. warnings do not use claritin-d if you have used an mao inhibitor in the past 14 days, such as isocarboxazid linezolid methylene blue injection, phenelzine rasagiline selegiline or tranylcypromine. 13 jul 2007 antihistamine and decongestant combinations, like claritin-d, allegra-d, that mucus is draining from the sinuses down the back of the throat. This is a reivew of how effective claritin (loratadine) is for sinus pain and for what kind of people. the study is created by ehealthme from 5 claritin users and is update...