In all kindness, I would urge you and
@OriginalCanesCanesCanes to get tested for a penicillin allergy. I realize that this happened in my family a long time ago, but before I was born, my uncle died of anaphylactic shock due to penicillin (his throat swelled up and he suffocated). Clearly, much has changed in the way of rapid medical response since my uncle passed away, but there can also be situations today when a person is in distress and medicine is administered without the benefit of a full medical discussion.
Again, not telling you how to live your lives, but I would implore you to get tested and to let your family know, if there is an allergy. In that way (a) they may be able to provide medical disclosure if you are incapacitated, and (b) they will then know whether they should disclose a family history and/or get tested in the future.
My biggest phobia in life is suffocation, probably because as a child, I was told the story of my uncle's death on multiple occasions. I have since found out that I am not allergic to penicillin myself, but it was frequently mentioned to doctors when I was young.
Stay healthy, guys.