What’s wrong with a 14 year old who always throws up after eating?

The causes of vomiting in a 14-year-old child after eating can be physiological or pathological. Physiological causes include overeating, eating stimulating food, etc. Pathological causes include reflux esophagitis and gastritis.
1. Physiological causes: such as eating too much, eating stimulating food, eating indigestible food, etc., can cause the gastrointestinal tract to increase the burden of digestion and absorption, and discomfort symptoms. Generally, it can recover by itself after conditioning, so don’t be overly nervous.
2. Pathological causes: such as reflux esophagitis, acid reflux, retrosternal pain, vomiting and other symptoms; such as gastritis, peptic ulcer, but also can have stomach pain, gastric distension and other symptoms.
For the reason that 14-year-old children always vomit after eating, it is recommended to consult a doctor.