Hi, my girlfriend and I both got sick at a month interval after hanging out with the same group of friends. There was alcohol involved, but not enough to get sick. We both have the same exact symptoms: an hour or so after our last drinks, we got dizzy and started vomitting, emptying most of our stomach content. We couldn t keep anything down (mostly 1 sip of water) for several hours, after which, we needed to drink at a very very slow pace. Around 10 am the next day, diarrhea set in until 11 pm. We are suspecting drink spiking by a malevolent person within the group. Are we being paranoid? If not, what substance could cause that reaction (we found visine might, but the symptoms are not exactly the same).