Sedating antihistamine tablet
By blocking the action of histamine, medicines like Zyrtec decrease the activity of histamine in the brain, resulting in drowsiness.
Even though Zyrtec is considered a non-sedating antihistamine, children can still feel drowsy when taking it, so physicians usually recommend giving it at night, before sleep.
Diphenhydramine also can intensify the drying effects of other medications with anticholinergic properties (for example, dicyclomine [Bentyl] and bethanechol [Urecholine], probanthine).
They can have either high or low blood pressure, although sometimes these changes in blood pressure will go unnoticed.The worse side effects occur in accidental or intentional overdoses of Zyrtec or in patients with liver problems, as Zyrtec is metabolized by the liver, and children with failing livers can inadvertently build up higher doses of the drug in their bloodstreams. *According to FAA guidelines, non-sedating antihistamines may be used while flying after adequate individual experience has determined that the medication is well tolerated without significant side effects.Nazario is a graduate of the University of Louisville School of Medicine, and is board-certified in pediatrics.He also has a Master of Arts in liberal studies from Skidmore College in Saratoga Springs, N. Zyrtec, or cetirizine, is an antihistamine drug used for the treatment of seasonal allergies and its symptoms, such as rhinitis (runny or stuffy nose), cough and allergic skin manifestations like atopic dermatitis or urticaria.
When histamine binds to receptors on cells, it stimulates changes within the cells that lead to the release of chemicals that cause sneezing, itching, and increased mucus production.