ya,because when the digestive juice which is secreted by our stomach and no food is there to act on it,it touches the lining of our stomach and irritate it
Aspirin is "acetylsalicylic acid". Changing the chemical, changes the action.
What is commonly done, is to coat the aspirin with a compound that does not let the aspirin dissolve in the stomach....
If there is inflammation in the stomach (gastritis) food (not water) should be withheld for about 12-24 hours to let the intestines rest. Water can be given in small amounts throughout the day....
There are various conditions where you could get a rash on your stomach, but the most common is contact dermatitis. Many people are slightly allergic to the metal that is found in back of the buttons...
The condition is usually cause by moisture, or sweat, accumulating in the area. You can try using something like these under tummy liners from www.pambras.com They work great!