https://pharmacycode.com/it/Alledryl.html
Alledryl - Histamine H1 Antagonists, Anti-allergic Agents, Hypnotics and Sedatives, Antitussives,...
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https://www.transtutors.com/questions/which-of-the-following-drugs-is-commonly-used-in-otc-sleep-aids-antitussives-antihis-13964130.htm
(Solved) - Which of the following drugs is commonly used in OTC sleep aids? Antitussives...
Which of the following drugs is commonly used in OTC sleep aids? Antitussives Antihistamines Sympathomimetics Caffeine
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