• Water of poor quality has to be boiled and cooled before use
  • Sugar or sugar-containing liquids cannot be added to the solution
  • O.H.S has to be taken in the dissolved form
  • Diabetics should take into account each tablet contains 1.8 grams of glucose
  • Hypertension patients should take into account that each tablet contains sodium
  • Do not use if you have intestinal obstruction or problems with your liver or kidney function