How many days does it take to get better from medication and injections for left upper abdominal pain?

Left upper abdominal pain may be caused by acute gastritis, left kidney stone, acute pancreatitis and other diseases, the number of days needed to recover from different diseases is different.
1. Acute gastritis: refers to inflammatory lesions of the gastric mucosa, manifested by epigastric pain, bloating, nausea, vomiting and loss of appetite, taking medication and injections is usually 3 to 5 days to get well.
2. Left kidney stone: refers to the crystal material precipitated from the urine and deposited in the kidney, the clinical manifestations of pain, hematuria, nausea and vomiting, etc., the volume of small stones, usually take medication and injections can be improved in 1 to 3 days. When the size of the stone exceeds 2cm or the stone is large and located in the lower calyces of the kidney, surgical treatment is required.
3. Acute pancreatitis is an inflammatory injury of the pancreas caused by edema, hemorrhage and necrosis of the pancreatic tissue due to auto-digestion of the pancreatic tissue caused by a variety of etiological factors. Its clinical manifestations are acute abdominal pain, fever, nausea, vomiting, etc., taking medication and injections is usually 7 to 14 days to get well.
If it is because of infection, caused by liver and pancreas pot belly inflammation, swelling, then need to anti-infection treatment, take medicine and injections usually 7 to 14 days to get well. If stones, parasites, etc. block the hepatopancreatic potbellies, can be treated by surgery.
Left upper abdominal pain may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or standardized treatment, so as not to delay the condition.