How many days can you take benzonatate It is important to follow the instructions of your healthcare provider when taking benzonatate. Do not take more or less of the medication than prescribed, and do not take it for longer than recommended. If you are unsure about how long you should be taking benzonatate, talk to your healthcare provider. Benzonatate may cause side effects, including dizziness, drowsiness, and headache. It is important to avoid activities that require alertness, such as driving or operating heavy machinery, while taking benzonatate. Other potential side effects of benzonatate include constipation, nausea, and stomach pain. In some cases, benzonatate may be used for longer periods of time to manage chronic coughing. If you are taking benzonatate for an extended period of time, your healthcare provider may want to monitor your progress and adjust your dosage as needed. It is important to note that benzonatate is not suitable for everyone. It should not be taken by people who are allergic to benzonatate or other antitussive medications. It should also be used with caution in people with certain medical conditions, such as asthma, chronic bronchitis, or emphysema. Benzonatate may cause side effects, including dizziness, drowsiness, and headache. It is important to avoid activities that require alertness, such as driving or operating heavy machinery, while taking benzonatate. Other potential side effects of benzonatate include constipation, nausea, and stomach pain. In some cases, benzonatate may be used for longer periods of time to manage chronic coughing. If you are taking benzonatate for an extended period of time, your healthcare provider may want to monitor your progress and adjust your dosage as needed.