Replied by Ed2010 (Oakville, Canada) on 12/13/2012
Even amoebic infection will result in similar sympton. EH and Giardia can produce the above symptom Like IBS, severe urge to go for bowel movement after eating spicy food.
You have to identify, what is the cause of above sympton. As you said eating spicy food causes the symptoms. Record your reaction whenever you eat spicy food. And analyze your food intake during an episode.
Also make sure your stomach acid is normal. Undigested food from stomach can cause a diarhhea, bloating. Drink Lemon Juice to rejuvenate and cleanse your intestine. To nullify the effect of accutane, Drink lots of Milk Kefir.