American Family Physician advises that ranitidine, the medicine in Zantac, should be administered at a dose of 1 to 2 milligrams of ranitidine per kilogram of body weight two to three times daily, or 2 to 6 milligrams per kilogram of body weight per day. It can be given with or without food, although food helps prevent stomach irritation and upset, notes AboutKidsHealth.Continue Reading
Zantac tablets can be dissolved in at least 1 teaspoon of water and given with a medicine dropper or oral medicine syringe, according to WebMD. It can also be crushed and mixed with a small amount of liquid or food, as described by AboutKidsHealth. The medicine also comes in syrup form, according to AboutKidsHealth, which should be measured with the spoon or syringe that comes with the medicine. Zantac should be given for as long as the doctor prescribes, even if the baby begins to feel better.
Zantac works by reducing the amount of acid in the stomach by blocking histamines, notes Drugs.com. Zantac, according to the manufacturer, should only be given to children under 12, including babies, under the direction of a doctor. Zantac should be used with extreme caution in babies under 1 month old.Learn more about Medications & Vitamins