Among them are ulcerations in the mouth, inflammation of the tongue, peptic ulcers and chronic diarrhea.
Anyone who has had severe indigestion or peptic ulcers in the past should avoid using NSAIDs.
There is also a useful diagram showing how bacteria cause peptic ulcers.
About peptic ulcers An ulcer in the stomach is called a gastric or stomach ulcer.
The condition is also often caused by Heliobacter pylori, the same bacteria responsible for the majority of peptic ulcers.