Which of the following medications are considered to be antitussives? Select all that apply
a. Benzonatate
b. Codeine
c. Diphenhydramine
d. Dornase alpha
e. Guaifenesin
f. Dextromethorphan
ANS: A, B, C, F
Drugs classified as antitussives include benzonatate, codeine, diphenhydramine, and dextrome-thorphan. The other drugs are classified as expectorants.
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