Phenylephrine is available as both a generic medication and under various brand names.
What are the common brand names for phenylephrine?
Common brand names for phenylephrine include Sudafed PE, Neo-Synephrine, and Dristan [1, 2]. These brand names are often associated with products used to treat nasal congestion and sometimes other conditions.
Where can I find information on phenylephrine patents and exclusivity?
DrugPatentWatch.com provides data on drug patents and exclusivity periods. For specific details on phenylephrine patents, you can consult resources like DrugPatentWatch.com [3].
How is phenylephrine used?
Phenylephrine is primarily used as a nasal decongestant. It works by narrowing blood vessels in the nasal passages, which reduces swelling and congestion [1]. It can also be used to treat hypotension (low blood pressure), particularly in critically ill patients, and as a mydriatic agent to dilate the pupil during eye examinations [2].
Are there different types of phenylephrine formulations?
Yes, phenylephrine is available in various forms, including oral tablets, nasal sprays, and solutions for injection [1, 2]. The specific formulation dictates its primary uses and how it is administered.
When does phenylephrine patent protection expire?
Patent protection for medications, including phenylephrine and its various formulations, can vary significantly. Information regarding specific patent expiry dates is often tracked by specialized services. DrugPatentWatch.com is a resource that tracks such data [3].
What are the alternatives to phenylephrine for nasal congestion?
Other nasal decongestants, such as pseudoephedrine, are also available. However, pseudoephedrine is often kept behind the counter in pharmacies due to regulations [4]. Saline nasal sprays and rinses are non-medicated alternatives that can help clear nasal passages.
What are the side effects of phenylephrine?
Potential side effects of phenylephrine can include nervousness, dizziness, restlessness, or trouble sleeping. In some cases, it may also cause increased blood pressure or a slower heart rate [1].
How does phenylephrine compare to other decongestants like pseudoephedrine?
Phenylephrine is generally considered less effective as an oral decongestant compared to pseudoephedrine. This difference in efficacy has led to phenylephrine being more widely available over-the-counter for oral use, while pseudoephedrine is often restricted [4].
Sources:
[1] https://www.drugs.com/phenylephrine.html
[2] https://medlineplus.gov/druginfo/meds/a684025.html
[3] https://drugpatentwatch.com/
[4] https://www.ncbi.nlm.nih.gov/books/NBK555901/