If stomach upset occurs while you are taking this medication ... especially stomach/intestinal bleeding and ulcers. Aspirin is not recommended for use to treat pain or fever during pregnancy.

Talk to your doctor first. The standard dose is one baby aspirin (81 milligrams) a day. Higher doses are no more effective, and can cause more stomach upset. When it comes to heart attacks and ...

This is an indication that you might be dealing with gastritis or inflammation of the lining of the stomach. Aspirin is more likely to cause gastrointestinal side effects than ibuprofen.

Unlike aspirin, acetaminophen is strictly an analgesic and antipyretic. It does not reduce inflammation, but nor does it upset the stomach. However, acetaminophen at high doses can cause liver ...