Lying down without pain and stand up stomach pain considerations may be gastric ptosis, gastric sinusitis, gastroduodenal ulcer and other factors.
1. Gastric ptosis: when patients with gastric ptosis stand up the gastric body because of the factor of gravity, the ptosis will be aggravated, so that the phenomenon of lying down without pain, and stand up stomach pain.
2. Gastric sinusitis: because the gastric sinus in the small curvature of the stomach near the pylorus part, in the stomach is relatively low position, when the gastric acid secretion is too much, if lying down the gastric acid will not be over-concentration, while standing up the state of the gastric acid may be concentrated in the location of the lesion, resulting in pain.
3. Gastroduodenal ulcer: if the ulcer surface in the stomach relatively low position, may also appear lying down do not feel stomach pain, and stand up will be the symptoms of stomach pain, if not treated in time, may also appear to lie down the symptoms of pain.
There may also be other pathological factors that may cause stomach pain when standing up instead of lying down. It is recommended to go to the hospital as soon as possible and be given relevant examinations and treatments with the help of a doctor.