Biozin Sachet is used to prevent and treat dehydration, especially that due to diarrhea. Side Effects : Hypernatremia, or high blood sodium levels . When not to use: It should not be taken if you are allergic to any of the ingredients of the medication or has a blockage in the intestines or perforation (tear or hole) in the bowel . Precaution : The solution made from powder can be stored in the refrigerator after mixing for up to 24 hours. When products bought in solution form are opened, they can be stored in the refrigerator for up to 48 hours. For freezer pops, discard any unused solution. See your doctor before taking this medication if you cannot stop vomiting. Children with diarrhea, vomiting, and fever should see a doctor.