It is important that you leave regular intervals between every dose of medication. Doing so will help the efficiency of this drug. Every prescription comes with instructions on the reverse side of each bottle or packaging. It is important that you follow the written instructions carefully as not all of them are identical. Metronidazole Tablets or capsules should be taken orally, whole, with a glass of water. To prevent an upset stomach you may take Metronidazole Tablets with food or milk. Remember, when taking Metronidazole Tablets or any prescription drug to always follow the label close and do not take more often than directed. Be sure to space your doses evenly. Metronidazole Tablets should only be taken as instructed by a professional physician. Be sure to remember not to stop taking this medicine without consulting your physician first about how to stop safely. If you are researching this medication for your child, keep in mind that children often have special dosage instructions. Ask your physician about these differences prior to starting this medication if this is the case.