If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.
Make sure your doctor knows if you have kidney disease. You should not use certain brands of this medicine if you have kidney disease or are on dialysis. Some brands contain ingredients that could be harmful if your kidneys are not working properly. Always ask your health caregiver what specific brands of this medicine will work best for you.
You should not use this medicine more often or take more of it than your doctor prescribed.
Too much fluoride can cause white patches or yellow or brown spots on the teeth. If this happens, stop taking the medicine and call your doctor.