Nothing needs to do. Throw them out now and get new ones

 It's not going to do anything harmful.  This isn't like milk.  No harm will come to you.  Perhaps it would be 0.000001% less effective but that's it. I know that you won't be able to write me back but I'm wondering why you are using a boric acid suppository?  Did an actual board certified OB/GYN tell you to use that? Take care.