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Cetirizine is a second-generation antihistamine used to treat allergic rhinitis (hay fever), ... Its duration of action is at least 24 hours. [2] Chemistry
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.
An H 3-antihistamine is a classification of drugs used to inhibit the action of histamine at the H 3 ... cetirizine (Zyrtec), and fexofenadine (Allegra) were ...
These agents also commonly have action at α-adrenergic receptors and/or 5-HT receptors. This lack of receptor selectivity is the basis of the poor tolerability profile of some of these agents, especially when compared with the second-generation H 1-antihistamines. Patient response and occurrence of adverse drug reactions vary greatly between ...
The same vasoconstriction action can also result in hypertension, which is a noted side effect of pseudoephedrine. Pseudoephedrine can be used either as oral or as topical decongestant. Due to its stimulating qualities, however, the oral preparation is more likely to cause adverse effects, including urinary retention.
Cetirizine/pseudoephedrine (Zyrtec-D) is an antihistamine and decongestant formulation. It is a fixed-dose combination drug containing 5 mg cetirizine hydrochloride and 120 mg pseudoephedrine hydrochloride for symptoms related to seasonal allergic rhinitis .
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914 Williams Ave, Columbus, OH · Directions · (614) 545-3190goodrx.com has been visited by 100K+ users in the past month
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