But some are curious, can olive oil cause diarrhea? Just found this site and wanted to share that although I have an intolerance to Italian olive oil, including stomach pain and diarrhea, I have no problem with either Spanish or Greek olive oil, so they would be worth a try. From: Laurie. Turns out not every olive oil is created equal. Health-Allergies. In addition to stomach aches people might also get a rash on their skin and thus should be on a constant look out if they are allergic to olive oil. Romero and colleagues found that when exposed to the acidic conditions of the stomach, the phenolic compounds in olive oil remained stable for hours, thus significantly reducing the chance for H. pylori to grow and cause infection in the stomach lining. It is derived from the olive and is popular with people around the world. Olive oil is great for salads and as a cooking ingredient. Not only that, but it is healthy for the heart, skin, and body too! Can Olive Oil Cause Diarrhea? With restaurants using olive oil in their recipes with increasing frequency, and with his travels to place like Greece and Spain, this sensitivity has become a real liability for him. The one I was using contained soy oil (I consider soy to be my worst allergy). According to the nutritionist and the research I later conducted, counterfeit extra virgin olive oil, fake EVOO, can be found on most grocery store shelves. Olive oil is an extract of the fruit of Olea europaea or olive tree. Feb. 13, 2007 -- Olive oil may be good for your stomach as well as your heart.. A new Spanish study suggests virgin olive oil may help prevent and treat H. … Send thanks to the doctor 90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Olive oil is one of the few edible vegetable oils that has a high phenolic content. Question: My boyfriend has a sensitivity to olive oil. Some of the severe olive oil allergy symptoms are chest pains and migraines. I assured her I was using olive oil (absolutely no soy, corn or vegetable). Do not know what causes the pain physiologically. Who knew! Barry H Olive oil has many benefits and surprisingly few side effects. The popularity of this type of oil has likely increased due to the fact that people who eat olive oil regularly, such as those with a Mediterranean diet, tend to have low cholesterol levels and are often free from heart disease. Olive oil: Olive oil is highly combustible and therefore it is not recommended for cooking with a high flame. Here are Two Reasons How. However, for those with a true alergic reaction especially involving breathing issues should avoid it like the plague and hopefully have an epi pin for emergencies. Same as Kim here, my son has allergies and I know food allergies can create stomach problems.