Good Evening, Thanks for given information,According hard swollen stomach Here are some suggestions for home care: Drink plenty of water or other clear fluids to help reduce abdominal pain and bloating. Avoid pain medications such as aspirin, ibuprofen, and other nonsteroidal anti-inflammatory medications until you know your pain isn’t due to abdominal conditions such as a gastric ulcer or an intestinal obstruction. Avoid solid foods for a few hours in favor of softer, bland foods such as rice or applesauce. Try taking over-the-counter gas-reducing medications, such as simethicone drops or digestive enzymes, to help relieve bloating. Thanks for consult. Regards, Dr,Naeem. MD