Head-to-head comparisons of medication uses, side effects, warnings, and more.
Benzonatate (Tessalon Perles)
Mucinex dm (guaifenesin / dextromethorphan)
Benzonatate (Tessalon Perles)
Mucinex dm (guaifenesin / dextromethorphan)
Summary of Benzonatate vs. Mucinex DM
Summary for Antitussive
Prescription only
Benzonatate (Tessalon Perles) is a cough suppressant. It's used to relieve cough in people ages 10 years and older. Benzonatate (Tessalon Perles) is taken by mouth three times a day as needed. Possible side effects of this medication include headache and constipation. Because benzonatate (Tessalon Perles) can make you drowsy, so it's best to avoid alcohol while taking it.
Summary for Expectorant / Antitussive
Mucinex DM (guaifenesin / dextromethorphan) is an over-the-counter medication that's used to relieve cough and loosen mucus. It has two active ingredients: guaifenesin (an expectorant that clears chest congestion) and dextromethorphan (a cough suppressant that relieves cough). The medication is available as tablets, dissolvable granules, and liquid that are taken by mouth, each with different dosages, directions, and age limits. Extended-release tablets are taken every 12 hours, while the other forms are usually taken every 4 hours. Most people have few to no side effects when used as directed, but it can sometimes cause stomach upset, dizziness, and drowsiness.