Vascular headaches are very frequently affected by delayed reactions. Caffeine withdrawal can cause headache. There are so many possibilities, that it makes especially good sense to let the computerized analysis figure it all out. More symptoms or WDL Home Page Diarrhea Loose stools, frequent defecation, urgency and diarrhea are frequently due to food reactions. Irritable bowel syndrome is commonly caused by food reactions.
Spastic colitis is similar.
The reasons are many. Occasionally, food allergy, is mixed in with other reasons. Some foods release histamines and other active amines into a sensitive area. Dietary lectins can irritate the digestive system. Delayed hypersensitivity is often a problem.