WebPhenylephrine (Sudafed PE) is an alpha agonist. It works by making the blood vessels around your nose and sinus more narrow, which helps to relieve congestion and pressure. What is phenylephrine (Sudafed PE) used for? Short-term relief of nasal and sinus congestion and pressure Phenylephrine (Sudafed PE) dosage forms tablet 10mg WebNov 15, 2024 · Phenylephrine functions as a direct-acting sympathomimetic agent, which works to primarily stimulate alpha-1 adrenergic receptors. 1 The body’s autonomic nervous system (ANS), which regulates many involuntary organ functions, is divided into the parasympathetic and the sympathetic nervous system.
Phenylephrine - an overview ScienceDirect Topics
WebMar 30, 2024 · It also has adrenergic effects, but different (and often weaker) ones than either ephedrine or pseudoephedrine. Its main effect seems to be raising blood pressure, … Phenylephrine is used as a decongestant sold as an oral medicine or as a nasal spray. It is a common ingredient in over-the-counter decongestants in the United States. Phenylephrine is used as an alternative to pseudoephedrine as a decongestant, whose availability has been restricted due to a potential for use in the illicit synthesis of methamphetamine. Its efficacy as an oral decongestant has been questioned, with several independent studies finding … impacted teeth diagnosis code
Phenylephrine Hcl Drops - Uses, Side Effects, and More
WebPhenylephrine is a man-made drug that stimulates receptors (alpha1 receptors) on blood vessels and cause blood vessels to constrict (vasoconstriction). It is a vasoconstrictor … WebPhenylephrine nasal spray is used to relieve nasal discomfort caused by colds, allergies, and hay fever. It is also used to relieve sinus congestion and pressure. Phenylephrine nasal … WebFeb 25, 2024 · Phenylephrine does stimulate alpha-adrenergic receptors which may make it responsible for central nervous system stimulant effects such as restlessness, anxiety, and insomnia. It is thought that it may not cause the effects to the extent that pseudoephedrine does, however. Who should not take phenylephrine? list secure token users