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Phenylephrine, sold under the brand names Neosynephrine and Sudafed PE among others, is a medication used as a decongestant for uncomplicated nasal congestion in the form of a nasal spray or oral tablet, [5] to dilate the pupil, to increase blood pressure given intravenously in cases of low blood pressure, and to relieve hemorrhoids as a suppository.
However, it is noted that opioid/antihistamine combinations are used clinically for their synergistic effect in the management of pain and maintenance of dissociative anesthesia (sedation) in such preparations as meperidine/promethazine (Mepergan) and dipipanone/cyclizine (Diconal), which act as strong anticholinergic agents.
Tet spells may be treated with beta-blockers such as propranolol, but acute episodes require rapid intervention with morphine or intranasal fentanyl [56] to reduce ventilatory drive, a vasopressor such as phenylephrine, or norepinephrine to increase systemic vascular resistance, and IV fluids for volume expansion.
Leaves of the coca plant (Erythroxylum novogranatense var. Novogranatense), from which cocaine, a naturally occurring local anesthetic, is derived [1] [2]. An anesthetic (American English) or anaesthetic (British English; see spelling differences) is a drug used to induce anesthesia — in other words, to result in a temporary loss of sensation or awareness.
Phenylephrine is the main ingredient used in many common over-the-counter congestion products. It is safe to use, but an independent advisory committee to the FDA agreed Tuesday that it is ...
Phenylephrine is found in a wide range of cold and flu medications, including Sudafed PE, Benadryl Allergy D Plus Sinus and Vicks DayQuil Cold and Flu Relief. Here’s what experts say are ...
General anaesthesia (UK) or general anesthesia (US) is medically induced loss of consciousness that renders a patient unarousable even by painful stimuli. [5] It is achieved through medications, which can be injected or inhaled, often with an analgesic and neuromuscular blocking agent .
Oral phenylephrine is ineffective and “should almost never be used,” said Dr. Purvi Parikh, an allergist and immunologist at Allergy & Asthma Associates of Murray Hill in New York City.