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Montelukast is in the leukotriene receptor antagonist family of medications. [6] It works by blocking the action of leukotriene D4 in the lungs resulting in decreased inflammation and relaxation of smooth muscle. [6] Montelukast was approved for medical use in the United States in 1998. [6] It is available as a generic medication. [8]
Levocetirizine is an antihistamine. It acts as an inverse agonist that decreases activity at histamine H1 receptors. This in turn prevents the release of other allergy chemicals and increases the blood supply to the area, providing relief from the typical symptoms of hay fever.
Adult 24-Hour Allergy Tablets. Both Dr. Li and Dr. Parikh say that Allegra—or its generic form, fexofenadine—is a winner. Allegra is an antihistamine that helps tackle symptoms like sneezing ...
Authorized generics are prescription drugs produced by brand pharmaceutical companies and marketed under a private label, at generic prices. Authorized generics compete with generic products in that they are identical to their brand counterpart in both active and inactive ingredients; [1] whereas according to the U.S. Food and Drug Administration's Office of Generic Drugs, generic drugs are ...
Generic drugs are allowed for sale after the patents on the original drugs expire. Because the active chemical substance is the same, the medical profile of generics is equivalent in performance compared to their performance at the time when they were patented drugs.
Zyrtec works by blocking the histamine 1 receptor in your body, explains David Corry, MD, professor of allergy medicine at Baylor College of Medicine in Houston. “Histamine is a chemical that is ...