If you are pregnant or breastfeeding, talk to your doctor before using this medicine.
Make sure your doctor knows if you have kidney disease or liver 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.
Antacids may contain large amounts of salt. Talk to your doctor before taking this medicine if you are on a low-sodium (low-salt) diet.