When incompatible blood is given, antibodies and complement in the recipient plasma attack the antigens on the donor RBC. Hemolysis ensues The antigen-antibody complex activate the Hageman factor (factor XII), which acts on the kinin system to produce bradykinin
Still it is not advisable to take it after the expiry date written on the bottle. This is just for your information to let you know that you are safe. Anyway Saline Nasal spray is not going to do any harm even if you used an expired one. So forget about it.
Sterile Water would be used more for a one time injection, where Bacteriostatic Water most people reuse multiple times, keeping them in the fridge. in my experience, most water ive ever purchased is good till a year later. Usually about a year expiration. That being said, I know many people who have said to have used expired bacteriostatic Water, up to 6 months after the expiration date, and had no problems. xxxxxxxxxxxxxxxxxxxxxxx. They sell Bacteriostatic Water and Bacteriostatic Sodium Chloroide 0.9%. Some of the best prices per vials I've found as well.