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Phenylephrine is used as an eye drop to dilate the pupil to facilitate visualization of the retina. It is often used in combination with tropicamide as a synergist when tropicamide alone is not sufficient. Narrow-angle glaucoma is a contraindication to phenylephrine use. As a mydriatic, it is available in 2.5% and 10% eye drops.
The most common oral decongestant that experts recommend is pseudoephedrine, though you’ll likely need to ask a pharmacist for help accessing it behind the counter. Show comments Advertisement
(Reuters) - The European Medicines Agency's (EMA) safety committee on Friday recommended changes to product information for all medicines that contain the ingredient pseudoephedrine to address ...
A decongestant, or nasal decongestant, is a type of pharmaceutical drug that is used to relieve nasal congestion in the upper respiratory tract. The active ingredient in most decongestants is either pseudoephedrine or phenylephrine (the latter of which has disputed effectiveness). Intranasal corticosteroids can also be used as decongestants and ...
Pseudoephedrine is not extensively metabolized and is subjected to minimal first-pass metabolism with oral administration. [11] [1] [2] Due to its methyl group at the α carbon (i.e., it is an amphetamine), pseudoephedrine is not a substrate for monoamine oxidase (MAO) and is not metabolized by this enzyme.
Those original versions of Sudafed and other medicines remain available without a prescription, but they're less popular and account for about one-fifth of the $2.2 billion market for oral ...
Cough and cold medicine, cough syrup, lin, lean. [ edit on Wikidata] Cold medicines are a group of medications taken individually or in combination as a treatment for the symptoms of the common cold and similar conditions of the upper respiratory tract. The term encompasses a broad array of drugs, including analgesics, antihistamines and ...
Their effectiveness by themselves in the common cold appears to have a small benefit in adults. [1] Topical decongestants should only be used by patients for a maximum of 5–7 days in a row, because rebound congestion may occur in the form of rhinitis medicamentosa. When used in adults for a short period of time side effects appear to be few.