Webjul 1, 2024 · when taking benzonatate, it's important to be aware of potential drug interactions. This medication may interact with certain antibiotics, antifungal. Webjan 31, 2024 · benzonatate and drug interactions: Benzonatate is a medication commonly used to treat coughs. However, like most drugs, it can interact. Webfeb 1, 2024 · tessalon perles. Benzonatate is used to relieve coughs due to colds or influenza (flu). It is not to be used for chronic cough that occurs with smoking, asthma, or emphysema or when there is an unusually large amount…