symptoms of food poisoning and how long they last
Signs and symptoms. The symptoms of food poisoning usually begin within one to two days of eating contaminated food, although they may start at any point between a few hours and several weeks later. The main symptoms include: 1  feeling sick (nausea). 2  vomiting. 3  diarrhoea, which may contain blood or mucus.
It is usually mild, but can become severe and in some cases fatal. Symptoms of food poisoning (such as nausea, vomiting, abdominal cramping, and diarrhoea) may start suddenly (within 48 hours) of having contaminated food or drink, or may be as late as 70 days.
How long does food poisoning last Symptoms may progress rapidly, within a few hours or slowly over days to weeks. In most cases food poisoning is not serious, and has a self limiting course (runs its course in 24-48 hours).