I read online that palpitations can be a side effect of claritin, so. the reason Is I m taking this drugs call montelukast and it makes me drink a lot.all of the sudden I have heart palpitations beause I was not drunk a lot of water now I really dont know if it is from the montelukast, zyrtec or allergra.. Workers fixed the hole, replaced carpet. Adult Dose. Although the drug has not been approved for use in dogs by the US Food and Drug Administration (FDA), Veterinarians have been prescribing super kamagra upotreba Allegra for dogs with nasal or skin allergies as an extra-label drug Fexofenadine is both an over-the-counter and a prescription medication used to relieve the allergy symptoms of seasonal allergic rhinitis. Claritin is the #1 pharmacist and pediatrician-recommended non-drowsy over-the-counter allergy brand. periactin 4mg compra españa. One dose of Zyrtec daily results in quick onset of action than Allegra and Claritin. I work with a few anesthesiologists who prefer a pretty hefty antiemetic cocktail for patients prone to post-op nausea and vomiting: Zofran IV combined with a Phenergan suppository (placed after the patient is asleep, naturally) Zofran (ondansetron) works well to prevent nausea and vomiting. I have no breathing problems.