Question: What are the symptoms of gastroparesis?
Answer: The symptoms of gastroparesis may include

feeling full soon after starting a meal
feeling full long after eating a meal
nausea
vomiting
too muchbloating
too muchbelching
pain in your upperabdomen
heartburn
poor appetite

Certain medicines may delay gastric emptying or affect motility,  resulting in symptoms that are similar to those of gastroparesis. If you have  been diagnosed  with gastroparesis,  these medicines may make your symptoms worse. Medicines that may delay gastric  emptying or make symptoms worse include the following:

narcotic pain medicines, such ascodeine,hydrocodone,morphine,oxycodone,  andtapentadol
someantidepressants,  such asamitriptyline,nortriptyline,  andvenlafaxine
someanticholinergics—medicines that block certain nerve signals
some medicines used to treatoveractive bladder
pramlintide

These medicines do not cause gastroparesis.
Question: When should I seek a doctor’s help?
Answer: You should seek a doctor’s help right away if you have any of the following signs or symptoms:

severe pain or cramping in your abdomen
blood glucoselevels  that aretoo high or too low
red blood in your vomit, or vomit that looks  like coffee grounds
sudden, sharpstomachpain that doesn’t go away
vomiting for more than an hour
feeling extremely weak or fainting
difficulty breathing
fever

You should seek a doctor’s help if you have any signs or symptoms of dehydration, which may include

extreme thirst and dry mouth
urinating less than usual
feeling tired
dark-coloredurine
decreased skin turgor, meaning that when your skin is pinched and released, the skin does not flatten back to normal right away
sunken eyes or cheeks
light-headedness  or fainting

You should seek a doctor’s help if you have any signs or symptoms of malnutrition, which may include

feeling tired or weak all the time
losing weight without trying
feeling dizzy
loss of appetite
abnormal paleness of the skin
Question: What causes gastroparesis?
Answer: In most cases, doctors aren’t able to find the underlying  cause of gastroparesis, even with medical tests. Gastroparesis without a known  cause is called idiopathic gastroparesis.

Diabetes is the most common known underlying cause of gastroparesis. Diabetes can damage nerves, such as the vagus nerve and nerves and special cells, called pacemaker cells, in the wall of the stomach. The vagus nerve controls the muscles of the stomach and small intestine. If the vagus nerve is damaged or stops working, the muscles of the stomach and small intestine do not work normally. The movement of food through the digestive tract is then slowed or stopped. Similarly, if nerves or pacemaker cells in the wall of the stomach are damaged or do not work normally, the stomach does not empty.

In addition to diabetes, other known causes of gastroparesis include

injury to the vagus nerve due to surgery       on youresophagus, stomach, or small       intestine
hypothyroidism
certainautoimmune diseases, such asscleroderma
certainnervous systemdisorders, such       asParkinson’s diseaseandmultiple sclerosis
viralinfections of your stomach