Many sedating antihistamines do not require a doctor's prescription.
Sold over the counter (OTC), they are less expensive than prescription nonsedating antihistamines. Nonsedating antihistamines, also called new, or second-generation antihistamines, are just as effective against nasal allergy symptoms as older medications. They make you less sleepy and groggy, and are less likely to cause problems with increased eye pressure, which may worsen glaucoma symptoms.
Allergens release histamines that attack your body’s cells, causing the familiar symptoms of runny nose, sneezing and watery eyes.
Their main benefit is they primarily affect peripheral histamine receptors and therefore are less sedating.
Your doctor can guide you to the right antihistamine for you.
Please see package insert for additional information and possible updates.
Seasonal allergic rhinitis: 60 mg orally twice daily or 180 mg once daily.
-receptor are used to treat allergic reactions in the nose (e.g., itching, runny nose, and sneezing) as well as for insomnia.