Dextromethorphan

Dextromethorphan is an antitussive (cough suppressant) available in over-the-counter (OTC) medicines that control coughs due to minor throat and bronchial irritation, as may occur with the common cold or inhaled irritants. It may be written as dextromethorphan or dextromethorphan hydrobromide, but it is the same active ingredient. Dextromethorphan can be the only active ingredient in […]

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Doxylamine

Doxylamine has different uses in over-the-counter (OTC) medicines. Doxylamine is an antihistamine, which means it can be used to treat the symptoms of hay fever and other respiratory allergies. In a higher dose, doxylamine can be used to help with occasional sleeplessness. It may be written as doxylamine or doxylamine succinate, but it is the […]

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