Yogurt Causes Pain What Causes Flatulence And The Need To Defecate While Running?

What causes flatulence and the need to defecate while running? - yogurt causes pain

First, I apologize for this job description. For about two months each time when I start running, severe pain and severe bloating evacuate. In the first mile or less, the gas is painful and very bad smell. Then it becomes an urgent need to go number 2. I thought I was cut short runs. I'm taking a fiber supplement and probiotics) (yogurt and "pearls" of the product and not been helpful. Anyone have any ideas? I appreciate the help.