What Drugs Should Not Be Taken With Benzonatate?

What Drugs Should Not Be Taken With Benzonatate? What drugs should not be taken with Benzonatate? Benzonatate may interact with other medications that cause drowsiness including, cough and cold medications, antihistamines, anti-seizure drugs, medicine for sleep or anxiety, muscle relaxants, narcotics, or psychiatric medicines. Can I take mucinex and benzonatate at the same time? A: