It very much depends on the type of food poisoning. Some start as soon as an hour after consumption; others, up to 10 days later[1].You're more likely to be able to idenify things like spoiled seafood soon after the fact. But if you have to wait a week or more?t very much depends on the type of food poisoning. Some start as soon as an hour after consumption; others, up to 10 days later[1]. You're more likely to be able to idenify things like spoiled seafood soon after the fact. But if you have to wait a week or more?
1 Keyes, James, Pioneers of Scioto County: Being a Short Biographical Sketch of Some of the First Settlers of Scioto County, Ohio, (Portsmouth, Ohio: J. Keyes, 1880).  Gargiulo, Barbara Keyser, Scioto County, Ohio: As Extracted From Henry Howe's Historical Collections of Ohio, (Milford, Ohio: Little Miami Pub.
On 12/9/2003 at 20:59:14, a magnitude 4.5 (4.5 MB, 4.5 LG, Depth: 3.1 mi, Class: Light, Intensity: IV - V) earthquake occurred 100.5 miles away from Portsmouth city center On 1/16/1994 at 01:49:16, a magnitude 4.6 (4.6 MB, 4.6 LG, Depth: 3.1 mi) earthquake occurred 242.6 miles away from the county center On 5/5/2003 at 16:32:32, a magnitude 3.9 (3.9 LG, Depth: 3.1 mi, Class: Light, Intensity: II - III) earthquake occurred 114.5 miles away from the county center On 3/15/1991 at 06:54:08, a ...