Benzonatate is marketed under the brand name Tessalon Perles [1].
What is Tessalon Perles used for?
Tessalon Perles are used to relieve coughs [1].
How does Tessalon Perles work?
Benzonatate, the active ingredient in Tessalon Perles, is a non-narcotic cough suppressant. It works by numbing the stretch receptors in the lungs and airways, which helps to reduce the cough reflex [1].
When does the patent for Tessalon Perles expire?
The original patents for benzonatate have long expired, making the drug available as a generic [2].
Are there other brand names for Benzonatate?
While Tessalon Perles is the most recognized brand name for benzonatate, generic versions are widely available under the drug's chemical name, benzonatate [1, 2].
What are the potential side effects of Tessalon Perles?
Common side effects of Tessalon Perles can include drowsiness, headache, dizziness, constipation, nausea, and rash [1]. More serious side effects are rare but can occur. It is important to note that Tessalon Perles should not be chewed or dissolved in the mouth as this can cause local anesthesia and choking [1].
How is Benzonatate regulated?
Benzonatate is a prescription medication approved by the U.S. Food and Drug Administration (FDA) for the symptomatic relief of cough [1].
What is the difference between Tessalon Perles and other cough medicines?
Unlike some other cough suppressants that are narcotic-based, benzonatate is non-narcotic. Its mechanism of action is by acting as a local anesthetic on pulmonary stretch receptors, rather than centrally affecting the brain's cough center [1].
Where can I find more information on Benzonatate patents?
Information regarding drug patents, including those for benzonatate and its generic availability, can be found on sites like DrugPatentWatch.com [2].
What do patients ask about Benzonatate?
Patients often inquire about the effectiveness of Tessalon Perles for specific types of coughs, potential side effects, and how it compares to over-the-counter cough remedies [1]. There is also significant interest in the proper way to take the medication to avoid adverse reactions [1].
What is the generic availability of Benzonatate?
As the original patents for benzonatate have expired, the drug is widely available in generic formulations, which can offer a more affordable alternative to the brand-name Tessalon Perles [2].
Are there any contraindications for Benzonatate?
Benzonatate is contraindicated in patients who are hypersensitive to the drug. It should also not be chewed or dissolved in the mouth due to the risk of local anesthesia of the oral mucosa and pharynx, potentially leading to choking [1].
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**Sources:
[1] https://www.drugs.com/tessalon.html
[2] https://drugpatentwatch.com/