Histamine Intolerance: Symptoms, Triggers, and Management
Introduction Since the COVID-19 pandemic, an increasing number of individuals have reported symptoms consistent with histamine intolerance, both alongside Long COVID (LC) and independently. Despite growing interest in a possible connection between COVID-19, mast cell activation, and histamine-related symptoms, histamine intolerance remains frequently overlooked in clinical assessments. Greater awareness and further research are needed to clarify its potential role in persistent post-COVID symptoms and improve diagnostic evaluation and patient care. 1. Understanding Histamine Intolerance Histamine is a natural chemical involved in immune responses, digestion, blood vessel regulation, and nervous system activity. Histamine intolerance is a proposed condition in which the body may have difficulty breaking down histamine, potentially contributing to symptoms affecting several organ systems. The “histamine bucket” analogy illustrates how different factors—such as histamine-rich ...