Dizziness, nausea, stomachache, abdominal pain within 24 hours.

Symptoms of dizziness, vomiting, stomach pain and abdominal pain within 24 hours may be caused by acute gastroenteritis or intestinal spasm; it may also be caused by gastric ulcer or duodenal ulcer bleeding. You need to go to the hospital for gastroscopy to confirm the specific cause and take treatment for the cause.