After effects of food poisoning

Symptoms should move in the right direction rather than become more intense. Ongoing vomiting or diarrhoea can prevent replacement of lost water and salts, making dehydration the main immediate concern.

The bowel lining can remain irritated after the infection or toxin has passed. This may temporarily make meals trigger cramping, urgency or loose stools. Eating less during the illness and losing fluid can also leave you weak or light-headed.

A sensitive stomach during recovery does not by itself show that the original illness is still active. The pattern matters: gradual improvement is reassuring, while a return of fever, worsening pain or blood in the stool needs assessment.

Take frequent small sips of water or an oral rehydration drink, especially after a loose stool. Once liquids stay down, try small portions of familiar, easy-to-tolerate food and increase the amount according to appetite.

Rest, wash hands carefully after using the toilet and before preparing food, and avoid preparing meals for others while vomiting or diarrhoea continues. Do not start antibiotics or anti-diarrhoeal medicine without clinical advice; the appropriate choice depends on the cause and your symptoms.

Seek urgent care if you cannot keep fluids down, pass very little urine, feel faint or confused, have blood or black material in vomit or stool, develop severe or localised abdominal pain, or have trouble breathing.

Arrange a clinical review if fever returns, diarrhoea persists without improvement, symptoms recur after settling, or weakness interferes with normal activity. Children, older adults, pregnant people and anyone with reduced immunity or significant long-term illness should seek advice earlier when hydration is difficult.

Ask whether your hydration needs checking, whether a stool test is appropriate, and which foods or medicines fit your situation. Mention recent travel, other people who became ill after the same meal, the presence of blood, and any antibiotics or regular medicines you take.