Pollen Food Syndrome (aka Oral Allergy Syndrome)
* The Oral Allergy Syndrome (OAS) / Pollen Food Syndrome (PFS) comes about due to cross-reactivity between pollens and food; it is an increasingly common but milder form of food allergy, usually coming on after having lived through 4-6 summers (pollen-laden) seasons. * After initially tolerating foods such as tomatoes