Benzonatate is not a controlled substance in the United States [1]. It is a non-narcotic cough suppressant [2].
What is benzonatate used for?
Benzonatate is prescribed to relieve symptoms of cough [2]. It works by numbing the stretch receptors in the airways and lungs, which helps to decrease the cough reflex [3].
How does benzonatate work?
Benzonatate's mechanism of action involves local anesthetic properties. It acts peripherally on the pulmonary stretch receptors. By decreasing their activity, it reduces the urge to cough [3].
Are there any side effects of benzonatate?
Common side effects of benzonatate can include drowsiness, dizziness, headache, and nausea [2]. Less common but potentially serious side effects can occur, such as skin rash, allergic reactions, and confusion [2][3]. Accidental ingestion and overdose, particularly in children, can lead to serious and even fatal consequences, including seizures, cardiac arrest, and coma [3]. It is crucial to keep benzonatate out of reach of children [3].
What is the difference between benzonatate and other cough medicines?
Unlike opioid-based cough suppressants, benzonatate is not an opioid and does not carry the same risk of addiction or respiratory depression at therapeutic doses [2]. It is a non-narcotic anesthetic agent specifically targeting the cough reflex [3].
When does benzonatate's patent expire?
Information regarding the specific patent expiry dates for benzonatate is not readily available. However, benzonatate has been available in the market for many years, with its initial approval dating back to 1958 [4]. This suggests that its primary patents have long since expired, allowing for generic availability.
Can generic versions of benzonatate be made?
Since the primary patents for benzonatate have expired, generic versions of the drug are available on the market [4].
Who manufactures benzonatate?
Multiple pharmaceutical companies manufacture benzonatate. Brand names include Tessalon Perles [2]. Generic versions are produced by various manufacturers [4].
What are the risks of taking benzonatate?
The primary risks associated with benzonatate involve potential side effects and the severe consequences of overdose or accidental ingestion, especially in children [2][3]. It is essential to follow dosage instructions carefully and store the medication securely [3].
What is the typical dosage of benzonatate?
Typical adult dosages for benzonatate range from 100 mg to 200 mg taken three times daily [2]. The maximum daily dose for adults is typically 600 mg [2]. For children, dosages are determined by weight and age [3].
How is benzonatate prescribed?
Benzonatate is available by prescription only [2]. It is usually prescribed for short-term use to manage cough symptoms [2][3].
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Sources:
[1] https://www.drugpatentwatch.com/
[2] https://www.nhs.uk/medicines/benzonatate/
[3] https://medlineplus.gov/druginfo/meds/a682085.html
[4] https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?fuseaction=genDefault.main