Guaifenesin/phenylephrine
Guaifenesin/Phenylephrine (pronunciation: gwye-FEN-e-sin/fen-ill-EF-rin) is a combination medication used to relieve symptoms such as congestion, cough, and discomfort caused by allergies, the common cold, or the flu.
Etymology
The term "Guaifenesin" is derived from the word "guaicum", the resin of the guaiac tree, and "glyceryl guaiacolate", the ester of guaiacol and glycerol. "Phenylephrine" is derived from the Greek words "phene" (show) and "ephrine" (active), referring to its stimulant properties.
Usage
Guaifenesin is an expectorant. It works by thinning and loosening mucus in the airways, clearing congestion, and making breathing easier. Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).
Side Effects
Common side effects of Guaifenesin/Phenylephrine include dizziness, headache, and nausea. If these effects persist or worsen, notify your doctor or pharmacist promptly.
Related Terms
See Also
References
External links
- Medical encyclopedia article on Guaifenesin/phenylephrine
- Wikipedia's article - Guaifenesin/phenylephrine
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