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Tag: Phenylephrine

Explore our medication guides and pharmacology articles within this category.

Which Vasopressor Doesn't Affect Heart Rate? Unpacking Pharmacology

3 min read
According to a 2024 NCBI review, vasopressin is unique among common vasopressors for having no direct chronotropic or inotropic effects on the heart. This key pharmacological detail helps answer the question, "Which vasopressor doesn't affect heart rate?", though its overall clinical effect is more complex due to indirect mechanisms.

Does phenylephrine react with ibuprofen? A Guide to Safe Use

4 min read
With 81% of adults using over-the-counter (OTC) medicines for minor ailments, many wonder, 'Does phenylephrine react with ibuprofen?' [1.10.1]. While no direct major interaction exists, understanding the combined risks, particularly for blood pressure, is crucial for safety [1.2.1, 1.2.3].

How long does it take for a hemorrhoid to shrink with cream?

4 min read
According to the National Health Care Survey, up to 50% of adults will experience hemorrhoid symptoms by age 50, and many turn to topical treatments. The healing timeline for hemorrhoids can vary significantly depending on the individual, the type of hemorrhoid, and the active ingredients in the cream used; however, most mild cases will show significant improvement and begin to shrink within a week of consistent application.

Can I Take a Decongestant Before Surgery? A Preoperative Guide

4 min read
Studies show that up to 40% of elective surgeries in developed countries are cancelled on the day of the procedure, with medication issues being a preventable cause [1.9.5]. This raises the important question: Can I take a decongestant before surgery without risking complications?

Why did DayQuil not work? Decoding Medication Ineffectiveness

4 min read
In September 2023, an FDA advisory committee unanimously concluded that oral phenylephrine, a key ingredient in many cold medicines, is ineffective [1.5.1, 1.6.3]. If you've ever wondered, 'Why did DayQuil not work?', the answer lies in its ingredients, your symptoms, and your body's response.

Is there a decongestant that actually works?

4 min read
In September 2023, an FDA advisory committee concluded that oral phenylephrine, a common ingredient in over-the-counter cold medicines, is not effective [1]. This has left many wondering: Is there a decongestant that actually works for nasal and sinus congestion?

What Can Be Substituted for Sudafed? A Guide to Decongestant Alternatives

4 min read
Many people find themselves asking, “What can be substituted for Sudafed?” after learning that the original version with pseudoephedrine is kept behind the pharmacy counter due to regulations. This is an important question, as a 2023 FDA panel found that the commonly available oral decongestant phenylephrine (often sold as Sudafed PE) is not effective at relieving nasal congestion. Understanding the variety of alternatives is key to finding the right, effective relief for your symptoms.

Is Tylenol Sinus Safe? A Comprehensive Guide to Usage and Precautions

4 min read
According to the FDA, taking too much acetaminophen, a key ingredient in Tylenol Sinus, can cause severe liver damage and even be fatal. Therefore, it is crucial to understand the safety profile of this medication and follow all instructions precisely to determine if **is Tylenol Sinus safe** for your individual needs.