Ask a doctor or pharmacist before taking  sodium bicarbonate if you are on a low-salt diet, or if you have high blood pressure.
Before taking this medicine
Ask a doctor or pharmacist if it is safe for you to take this medicine if you have other medical conditions, especially:
kidney disease;
liver disease;
heart disease;
high blood pressure; or
if you are on a low salt diet.
It is not known whether sodium bicarbonate will harm an unborn baby. However, sodium bicarbonate can cause fluid to build up in your body, which may be dangerous during pregnancy. Do not use this medicine without a doctor's advice if you are pregnant.
It is not known whether sodium bicarbonate passes into breast milk or if it could harm a nursing baby. Do not use this medicine without a doctor's advice if you are breast-feeding a baby.
