2 ms·> from How do you know it wasn't just "after" instead of "from"?by BugsJustFindMe 6y ago> from How do you know it wasn't just "after" instead of "from"?meepmorp 6y agoThat happened to me all the time in college, and the drinking had nothing to do with it.hnick 6y agoYep, food poisoning can take up to 72 hours depending on the type, so self diagnosis can be unreliable.