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.
OneTouchÂ® - Good for 6 months after you first open the bottle or until the expiration date, which ever comes first. Accu-ChekÂ® - Good to the expiration date on the bottle. The strips have an 18 month life span and it is estimated that once they arrive at the retailer they have 14 to 16 months left. FreeStyleÂ® - Good until the expiration date on the bottle. BayerÂ® - Good until the expiration date on the bottle.