A fellow student tells you that he has a dry,hacking cough that keeps him up at night.You would recommend that he take

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Quizplus · Accepted Answer

Antitussives are indicated to suppress dry,hacking,nonproductive irritating coughs,especially if the coughing causes sleep loss.A constant nonproductive cough can cause irritation of the trachea,leading to more coughing.
Four classes of agents can be distinguished in cold remedies,used individually or in combination,as follows:
1.Sympathomimetics: To produce decongestion
2.Antihistamines: To reduce (dry)secretions
3.Expectorants: To increase mucus clearance
4.Antitussives: To suppress the cough reflex

A Fellow Student Tells You That He Has a Dry,hacking α\alphaα

A Fellow Student Tells You That He Has a Dry,hacking $\alpha$