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Allergy Tablet. Xyzal, a.k.a. levocetirizine, "is the best prescription-strength oral antihistamine," Dr. Li says. It helps with sneezing, a runny or itchy nose or itchy throat, and watery eyes.
“While antihistamines [like Zyrtec and Claritin] can help with sneezing, itching and runny nose, first line therapy for relief of nasal congestion includes a steroid or antihistamine nose spray.”
The agency approved phenylephrine for over-the-counter use in the 1970s, but it became even more common after 2005, when legislation restricted access to OTC drugs that use a similar decongestant ...
It is a first-generation H 1-antihistamine and it works by blocking certain effects of histamine, which produces its antihistamine and sedative effects. [11] [2] Diphenhydramine is also a potent anticholinergic. [12] It is mainly used to treat allergies, insomnia, and symptoms of the common cold.
Decongestants are also used to reduce redness in the treatment of simple conjunctivitis. A 2016 Cochrane review found insufficient evidence to support the use of intranasal corticosteroids in the relief of common cold symptoms; [2] however, the review was based on three trials and the quality of the evidence was regarded as very low. [2]
The original formula for Actifed contained pseudoephedrine hydrochloride 60 mg as the nasal decongestant and triprolidine hydrochloride 2.5 mg as the antihistamine. . However, in response to widespread laws requiring products containing pseudoephedrine to be kept behind the pharmacy counter, Pfizer changed Actifed's U.S. formula in late 2006 to contain phenylephrine HCl 10 mg as the nasal ...
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