Thiamine mononitrate, a synthetic form of vitamin B-1, is added to foods and dietary supplements. Although it's generally safe, it may cause allergic reactions.

Although intravenous fluid bags all look similar, the fluids they contain can have markedly different effects on the human body.

Kre-Alkalyn creatine is a creatine product that contains "buffered creatine" in capsule form that supposedly does not get metabolized by the stomach and arrives to your muscles in its more pure form. Unlike most creatine products, Kre-Alkalyn Creatine is a patented formula.

Purified petrolatum, or petroleum jelly, is generally safe when used as directed. Side effects are rare but there are some precautionary considerations.

Zantac is the brand name for ranitidine, a medication that reduces acid production in the stomach. It is used to help prevent or treat conditions caused by excessive amounts of acid, such as ulcers in the small intestine or stomach.

Water pills, also known as diuretics, are medications designed to reduce the amount of water and sodium in the body. They are used for a variety of conditions, including swelling due to fluid build-up, congestive heart failure, high blood pressure, glaucoma and certain kidney or liver diseases.

Doxylamine succinate is an antihistamine medication that blocks the effects of histamine, a chemical occurring naturally in the body. Doxylamine succinate is found in some over-the-counter sleep aids, such as Unisom and Wal-Som.

The benzodiazepine drug Valium is a nervous system depressant, which accounts for its antianxiety, sedative, muscle-relaxing and other effects.

Deriphyllin is the brand name for the combination of two very similar generic drugs: etophylline and theophylline. Etophylline -- also spelled as etofylline -- is a modified form of theophylline. Both drugs work in the same general way and have the same side effects.

Diuretics, as defined by Cedars Sinai Medical Center, are medications which reduce the amount of salt or sodium and water in the body. They are given for high blood pressure, congestive heart failure, water retention and kidney or liver disease.

Loperamide is the generic name for an over-the-counter and prescription medication used to treat diarrhea. It is sold under such brand names as Imodium, Diamode, Imogen, Kao-Paverin, Imotil and Imperim. It can be used by itself or in combination with other medications to help stop diarrhea.

Cetirizine, the generic name for Zyrtec, is an antihistamine. An antihistamine treats the symptoms associated with allergies, hives and hay fever. In addition to seasonal allergies, cetirizine can be used to treat individuals with allergies to pet dander, dust and molds.