After dinner, my stomach hurts, nausea, and headache. What's going on?

Stomach pain generally refers to stomachache, headache is considered to be headache, stomach pain after eating nausea may also be caused by gastrointestinal cold, acute gastroenteritis, gastric ulcer and other reasons, as follows:

1, gastrointestinal cold gastrointestinal cold

occurs, virus invasion will stimulate gastrointestinal tissue, after eating symptoms are obvious.

2, acute gastroenteritis

acute gastroenteritis occurs, gastrointestinal tract is stimulated by inflammation, will cause gastrointestinal spasm pain, but also nausea and vomiting performance.

3, gastric

ulcer patients due to microbial, stress and other invasion, will damage gastrointestinal mucosa, often appear stomach pain, nausea and vomiting symptoms, and when microorganisms affect the brain nerve, will also produce headache symptoms.