Pseudoephedrine

Pseudoephedrine

Pseudoephedrine is a nasal decongestant active ingredient available in over-the-counter (OTC) medicines that relieve a stuffy nose or sinus pressure due to the common cold or other ailments. It may be written as pseudoephedrine, pseudoephedrine hydrochloride (HCl), or pseudoephedrine sulfate, but each has the same effect in the human body. Pseudoephedrine can be the only […]

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Acetaminophen

Acetaminophen

Acetaminophen is an internal analgesic available in over-the-counter (OTC) medicines that temporarily relieve minor aches and pains and reduce fevers. Acetaminophen is also available in prescription medicines combined with other ingredients, and on some prescription labels it may be abbreviated as APAP. It will never be abbreviated and will always say acetaminophen on Drug Facts […]

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Chlorpheniramine

Chlorpheniramine

Chlorpheniramine is an antihistamine active ingredient available in over-the-counter (OTC) medicines that treat hay fever and other respiratory allergies. It may be written as chlorpheniramine or chlorpheniramine maleate, but it is the same active ingredient. Chlorpheniramine can be the only active ingredient in an allergy medicine or it can be found in medicines that relieve […]

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Diphenhydramine

Diphenhydramine

Diphenhydramine is an antihistamine active ingredient that has a number of different uses in over-the-counter (OTC) medicines. Depending on the dose and form, the active ingredient diphenhydramine can be used to treat hay fever and other allergies, help reduce occasional sleeplessness, or relieve skin irritations and itching. It may be written as diphenhydramine, diphenhydramine hydrochloride […]

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