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After reviewing available data, the agency determined that oral phenylephrine does not provide the expected relief for nasal congestion despite its widespread use in many OTC drug products.
Rhinitis medicamentosa (or RM, also known as rebound congestion) is a condition of rebound nasal congestion suspected to be brought on by extended use of topical decongestants (e.g., oxymetazoline, phenylephrine, xylometazoline, and naphazoline nasal sprays) and certain oral medications (e.g., sympathomimetic amines and various 2-imidazolines) that constrict blood vessels in the lining of the ...
Methscopolamine is also commonly used as a drying agent, to dry up post-nasal drip, in cold, irritable bowel syndrome and allergy medications [2] Methscopolamine, a methylated derivative of scopolamine , is a muscarinic antagonist structurally similar to the neurotransmitter acetylcholine .
Pseudoephedrine is widely available over-the-counter (OTC) in both single-drug and combination preparations. [30] [22] [13] [2] Availability of pseudoephedrine has been restricted starting in 2005 as it can be used to synthesize methamphetamine. [13] [2] Phenylephrine has replaced pseudoephedrine in many over-the-counter oral decongestant ...
Azelastine, sold under the brand name Astelin among others, is a H 1 receptor-blocking medication primarily used as a nasal spray to treat allergic rhinitis (hay fever) and as eye drops for allergic conjunctivitis.
However, some researchers argue that the flow of mucus down the back of the throat from the nasal cavity is a normal physiologic process that occurs in all healthy individuals. [1] Some researchers challenge post-nasal drip as a syndrome and instead view it as a symptom, also taking into account variation across different societies.
A review that considered berberine’s effects on heart health found some studies supporting this claim, but due to the high risk of bias, the researchers recommended more clinical trials be ...
A New Mexico teenager has been charged with killing four members of his family, state police said on Sunday. According to a press release from New Mexico State Police, the teen was identified as ...
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