What is the first of the three causes of papillae in the pABillae mnemonic?

The first cause of papillae in the pABillae mnemonic is allergic. This mnemonic is designed to help remember the factors that can lead to the development of papillae on the tongue. Allergic reactions can trigger the immune response, leading to localized inflammation and subsequently causing the papillae to become enlarged or altered in appearance. This is particularly relevant in the context of various food allergies or sensitivities, which are common sources of irritation that can affect the tongue's surface.

Understanding that allergic reactions are the first identified cause helps in diagnosing and managing conditions associated with tongue health, as addressing any underlying allergies may lead to the resolution of papillary inflammation. This foundation sets up a framework for recognizing how different factors contribute to the changes in the oral mucosa.