walnut allergy – MySymptom

Why Do My Lips Feel Numb and Tingly After Eating Raw Walnuts?

1. Introduction Numbness and tingling in the lips after eating raw walnuts are typical symptoms of oral allergy syndrome or a localized mild food allergy. The immune system misidentifies specific proteins in the raw walnuts as harmful botanical pollen allergens, triggering a rapid release of chemical mediators that cause localized swelling and altered nerve sensation … Read more

Why does my tongue feel like sandpaper after eating raw walnuts?

1. Introduction The sandpaper sensation on the tongue after eating raw walnuts is primarily caused by astringency from naturally occurring tannins in the walnut skin, which bind to salivary proteins and reduce oral lubrication. In some cases, it can also be a mild presentation of oral allergy syndrome where the immune system reacts to the … Read more