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.
Remember, some sunscreen bottles have been sitting on the store shelf for awhile before you purchased it. Sunscreen is designed to remain stable for three years. For those without an expiration date, it's best to throw them out within two years after the purchase. Using expired sunscreen isn't as noticeable as drinking expired milk, but it can drastically reduce the sun protection you're getting. It's best to discard expired bottles once they have reached the expiration date.