How long will food poisoning last from camplyobacter?

In general,: 5-7 days but occasionally longer.

Campylobacteriosis: It usually lasts for 2 to 10 days. Campylobacteriosis is often a foodborne bacterial infection usually caused by Campylobacter jejuni. Sx's can include cramps, fever, abdominal pain, watery or even bloody diarrhea & high fever. It is a cause of dysentery. t can be diagnosed through stool cultures, gram stain & antigen testing is being developed.