Gastritis Support Group
Gastritis is a medical term for inflammation of the lining of the stomach. It means that white blood cells move into the wall of the stomach as a response to some type of injury. Gastritis has many underlying causes, from infection with the bacterium H. pylori, bile reflux, or excessive consumption of alcohol or certain foods or drugs like aspirin.

I also use a heating pad. I sit on the couch or propped up with pillows in bed with the heating pad against my back. A nice warm shower also feels heavenly and seems to 'untie' those sore muscles.
Hang in there.
Cas