Hydroquinone

Hydroquinone

Hydroquinone is a bleaching agent that is available in over-the-counter (OTC) medicines that gradually fade dark or brownish skin discolorations such as freckles, age and liver spots, or uneven pigment that may occur during pregnancy or from the use of oral contraceptives. Hydroquinone can be found in skin bleaching treatments that not only lighten dark […]

Read More
Permethrin

Permethrin

Permethrin is a pediculicide available in over-the-counter (OTC) medicines that kill head lice and their eggs (nits) and prevent re-infestation for up to 14 days. The active ingredient permethrin is for head lice only and is not intended to treat pubic lice (crabs). Permethrin can be found in single-ingredient head lice treatments. Permethrin is approved […]

Read More
Minoxidil

Minoxidil

Minoxidil is available in over-the-counter (OTC) medicines that help address general thinning of head hair. Minoxidil causes widening of the blood vessels, which can help regrow hair on the top of the scalp. It can be found in single-ingredient hair regrowth products for both men and women. Minoxidil is approved by the U.S. Food and […]

Read More
Sodium Bicarbonate

Sodium Bicarbonate

Sodium bicarbonate is an antacid active ingredient available in over-the-counter (OTC) medicines that relieve heartburn, acid indigestion, and sour stomach. It can be found in heartburn medicines that contain other antacid active ingredients or in medicines that contain acid reducer active ingredients. It can also be found in medicines that treat other symptoms, such as […]

Read More
Homeopathic Medicines

Homeopathic Medicines

What Are Homeopathic Medicines? Homeopathic medicines contain very small amounts of natural substances derived from plants, minerals, and biological substances, and have been used for more than 200 years to relieve different symptoms. Because of their history of safety, these medicines are often used in treating self-diagnosable conditions, such as the common cold, indigestion, muscle […]

Read More
Naproxen Sodium

Naproxen Sodium

Naproxen sodium is an internal analgesic available in over-the-counter (OTC) medicines that temporarily relieve minor aches and pains and reduce fever. It is also available in prescription medicines. Naproxen sodium is part of a group of pain relievers and fever reducers called nonsteroidal anti-inflammatory drugs (NSAIDs). It may be written as naproxen sodium or naproxen, […]

Read More
Methyl Salicylate

Methyl Salicylate

Methyl salicylate is an external analgesic available in over-the-counter (OTC) medicines that temporarily relieve minor body aches and muscle and joint pain associated with backache, arthritis, strains, sprains, and bruises. Methyl salicylate can be found in topical pain medicines (e.g., creams or ointments) that contain more than one external analgesic active ingredient. Methyl salicylate is […]

Read More
Menthol

Menthol

Menthol is either derived naturally from peppermint or other mint oils or synthetically manufactured. When used as an active ingredient in over-the-counter (OTC) medicines, menthol has a number of different uses. Depending on the dose and form, menthol can be used to relieve coughs; help control plaque or kill bacteria that can contribute to the […]

Read More
Nicotine

Nicotine

Nicotine is available in over-the-counter (OTC) medicines that reduce withdrawal symptoms associated with quitting smoking, including nicotine craving. It may be written as nicotine or nicotine polacrilex, which are different forms of the same basic ingredient. Nicotine and nicotine polacrilex are approved by the U.S. Food and Drug Administration (FDA) and are safe when used as directed. […]

Read More
Phenylephrine

Phenylephrine

Phenylephrine is an active ingredient that has different uses in over-the-counter (OTC) medicines. When used as a nasal decongestant, phenylephrine relieves a stuffy nose due to the common cold or other ailments. Phenylephrine also shrinks the swelling caused by hemorrhoids. It may be written as phenylephrine or phenylephrine hydrochloride, but it is the same active […]

Read More