See what your doctor has to say and then use your best judgment. If you want to follow the better-safe-than-sorry route, you should keep your daily caffeine intake below the 200-milligram mark -- the equivalent of either four diet colas, three cups of green tea, or just one Grande Caffe Mocha at Starbucks per day.
1 Helicobacter pylori (H. pylori) is a bacterium that causes chronic inflammation in the stomach and is a common cause of ulcers worldwide. Helicobacter pylori (H. pylori) is a bacterium that causes chronic inflammation in the stomach and is a common cause of ulcers worldwide.
1 H. pylori infection is associated with inflammation of the stomach lining (gastritis), and duodenum (part of the small intestine).  H. pylori bacteria burrow into the cells of the stomach lining and cause gastritis.