Out-of-date medicine

Hey biochemists

I've come across the small quantity of medical stuffs stored on the bridge of most large ships, of which the most notably is Xylocaine (Lidocaine) with Adrenaline. It's out of date by several years though, so I would hesitate to use this (I don't mean recreationally). Anyone know of dangers with using out-of-date local anasthetics such as this?

Nope.  Actually the older the stuff gets the more it decays.  Chances are you'd have to take all of it all at once to feel anything.

Nah, it's okay. Everything I nicked in Rivet City worked just fine.