Before you begin using a medication, be sure to inform your doctor of any medical conditions or allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use this medication.
Blood disorder: If you have a blood disorder, discuss with your doctor how this medication may affect your medical condition, how your medical condition may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.
Exposure to sun: This medication can make you more sensitive to the sun. Avoid exposure to excessive sunlight, including sunlamps and tanning beds, when using the metronidazole topical gel, cream, or lotion.
Eye irritation: Avoid getting this medication in the eyes. Topical metronidazole has been reported to cause irritation of the eyes. Do not use it in or close to the eye. If contact does occur, flush your eye(s) with water.
Skin irritation: If local irritation occurs, speak to your doctor. Your doctor may advise you to use the medication less frequently, stop using it temporarily, or stop using it altogether.
Pregnancy: This medication should not be used during pregnancy unless the benefits outweigh the risks. If you become pregnant while taking this medication, contact your doctor immediately.
Breast-feeding: This medication passes into breast milk. If you are a breast-feeding mother and are using topical metronidazole, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.
Children: The safety and effectiveness of this medication have not been established for children.