phenylephrine
Definition
- Noun:
- A synthetic sympathomimetic drug: Phenylephrine is a medication that mimics the effects of the sympathetic nervous system, primarily causing blood vessels to constrict.
- A decongestant and mydriatic agent: It is used medically to relieve nasal congestion by shrinking swollen nasal tissues and to dilate the pupils for eye examinations.
Examples of Usage
- Noun:
- The doctor recommended a nasal spray containing phenylephrine for my cold.
- Phenylephrine is often used in eye drops before an optometrist's examination.
Advanced Usage
- Clinical Context: In medical literature, phenylephrine is discussed for its role in managing hypotension (low blood pressure) during certain surgical procedures due to its vasoconstrictive properties.
- The anesthesiologist administered phenylephrine to counteract the drop in the patient's blood pressure.
Variants and Related Words
- Phenylephrine hydrochloride: This is the salt form commonly used in pharmaceutical preparations.
- Check the label; the active ingredient is phenylephrine hydrochloride.
Synonyms
- Decongestant: A substance that relieves nasal congestion. (Note: This is a broader category; phenylephrine is a specific type of decongestant.)
- Vasoconstrictor: An agent that causes narrowing of blood vessels.
Related Phrases (Phrasal Verbs)
Not applicable for this specific pharmaceutical term.
Related Idioms
Not applicable for this specific pharmaceutical term.
Noun
-
a powerful vasoconstrictor used to dilate the pupils and relieve nasal congestion
