stomachache pain in your stomach or near your stomach:
He said he had a stomachache and didn't want to go to school. I've got bad stomachache.indigestion pain or uncomfortable feelings that you get when your stomach cannot break down food that you have eaten:
She frequently suffered from indigestion. If I eat onions, they give me indigestion.food poisoning a stomach illness caused by eating food that contains harmful bacteria, so that you vomit:
I got food poisoning while I was on holiday and had to spend the day in bed. Two of the customers has to be taken to hospital with suspected food poisoning.nausea the feeling that you have when you think you are going to vomit:
A feeling of nausea suddenly came over me.constipation the condition of having difficulty in getting rid of solid waste from your body:
Do you suffer from constipation?diarrhoea British English,
diarrhea American English an illness in which waste from the bowels is watery and comes out often:
The main symptoms are diarrhoea and vomiting. Some dairy products can cause diarrhoea. [TahlilGaran] English Thesaurus ▲