Tweetjuiceyjuice,
no worries mate, i have been there after shooting a sust shot into my right delt it blew up with a golf ball size lump and i was in pain all over,put some ice on it and try and massage it.give it a few days and see how it goes.YOU WILL KNOW IF ITS AN ABCESS TRUST ME.
no problem drinking it,i have and same results,just draw it up,take needle off get it to the back of throat and squirt,yummy:p wash back with something.
relax for now,youve probably nicked a nerve.
cheers