You’ve probably heard of antihistamines. They are popular over-the-counter drugs that people take to relieve allergy symptoms such as seasonal allergic rhinitis (hay fever), nasal congestion, sneezing, hives, among others. As their name suggests, antihistamines work by stopping a chemical ...
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Histamine Intolerance and Preparing for Allergy Season

Tips on how to prepare for the allergy season if you have histamine intolerance or mast cell disorders.
Commonly Used Supplements for Histamine Intolerance and Mast Cell Activation Syndrome

We conducted a survey on 195 respondents with HIT and / or MCAS to find out which products they’re using to manage their condition. The most commonly used supplements and their benefits are listed below: Quercetin Quercetin is a plant ...
Everything You Need to Know About Mast Cell Activation Syndrome

In this article, you will learn: What are mast cells What are mast cell disorders, including mast cell activation syndrome (MCAS) Symptoms of MCAS Common Root Causes How to Get a Diagnosis for MCAS How to Treat MCAS How to ...
How are Histamine Intolerance and Mast Cell Activation Syndrome diagnosed?

Histamine intolerance (HIT) and Mast Cell Activation Syndrome (MCAS) are both caused from a build-up of histamine in the body (and additional chemicals in the case of mcas). HIT can develop from a deficiency in the DAO (diamine oxidase) enzyme, ...