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.
H. pylori bacteria (Helicobacter pylori ). Most ulcers are caused by an infection from a bacteria or germ called H. pylori. This bacteria hurts the mucus that protects the lining of your stomach and the first part of your small intestine (the duodenum). Stomach acid then gets through to the lining.