Fluoride is a substance that strengthens tooth enamel. This helps to prevent dental cavities.

Fluoride is used as a medication to prevent tooth decay in people that have a low level of fluoride in their drinking water. Fluoride is also used to prevent tooth decay in people who undergo radiation of the head and/or neck, which may cause dryness of the mouth and an increased incidence of tooth decay.

Fluoride may also be used for other purposes not listed in this medication guide.

You should not use fluoride if the level of fluoride in your drinking water is greater than 0.7 parts per million (ppm).

Before using fluoride, tell your dentist and doctor if you are on a low salt or a salt free diet. You may not be able to use fluoride, or you may need special tests while you are using it.

Do not take fluoride with milk, other dairy products, or calcium supplements. Calcium can make it harder for your body to absorb fluoride.

Avoid using antacids without your doctor's advice. Use only the specific type of antacid your doctor recommends. Many antacids contain calcium, which can interfere with fluoride absorption.

You should not use fluoride if the level of fluoride in your drinking water is greater than 0.7 parts per million (ppm).

Before using fluoride, tell your dentist and doctor if you are on a low salt or a salt free diet. You may not be able to use fluoride, or you may need special tests while you are using it.

Talk to your doctor and dentist before taking fluoride if you are pregnant or could become pregnant during treatment.

Talk to your doctor and dentist before taking fluoride if you are breast-feeding.

The American Dental Association's Council on Dental Therapeutics recommends the use of fluoride by children up to 13 years of age; the American Academy of Pediatrics recommends fluoride supplementation by children until the age of 16 years of age. Do not give a 1-mg tablet to a child younger than 3 years old, or when your drinking water fluoride content is equal to or greater than 0.3 ppm.