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What Is Histamine Intolerance?

Histamine intolerance is a condition where the body struggles to break down histamine, leading to symptoms that often overlap with MCAS, food sensitivities, gluten, and dairy intolerance.

Common Symptoms of Histamine Intolerance

A clear overview of the most common symptoms of histamine intolerance, including digestive, skin, neurological, and sleep-related effects.

Histamine Intolerance and Anxiety: The Gut-Brain Connection

An explanation of how histamine intolerance causes anxiety, why high histamine triggers fight-or-flight, and what you can do about it.

Histamine Intolerance and IBS: Are They Connected?

An explanation of how histamine intolerance and IBS overlap, why many people have both, and how addressing histamine can improve digestive symptoms.

Why Women Get Worse Histamine Symptoms (The Hormone Connection)

An explanation of why histamine intolerance symptoms fluctuate with your menstrual cycle, the connection between estrogen and histamine, and how to track patterns.

Histamine Intolerance and Sleep

An explanation of how histamine affects sleep, why histamine intolerance can cause insomnia and night waking, and how histamine load influences rest and recovery.

Histamine Intolerance vs MCAS: What's the Difference?

An explanation of the key differences between histamine intolerance and mast cell activation syndrome (MCAS), including symptoms, mechanisms, and why they often overlap.

Why Mosquito Bites Are Worse With Histamine Intolerance

Why people with histamine intolerance often have worse reactions to mosquito bites, and what you can do about it.

Foods With High Histamine Levels

A practical overview of foods high in histamine, how storage and processing affect histamine levels, and why this matters for histamine intolerance, MCAS, gluten, and dairy sensitivity.

What Are Histamine Liberators?

Learn the difference between foods that contain histamine and foods that trigger histamine release from your own cells. Understanding histamine liberators helps explain why some "low histamine" foods still cause symptoms.

Why Freshness Matters More Than Food Lists

An explanation of why food freshness often matters more than histamine food lists, how histamine builds up over time, and why reactions can feel inconsistent.

Why Leftovers Can Trigger Histamine Symptoms

An explanation of why leftovers can increase histamine levels, how storage time affects histamine buildup, and why this matters for histamine intolerance and MCAS.

Are Tomatoes High in Histamine?

Tomatoes are one of the most commonly reported triggers for histamine intolerance. Here's why they're so problematic, which forms are worst, and what to do instead.

Is Cheese High in Histamine?

Aged cheeses like parmesan and cheddar are among the highest-histamine foods you can eat. But fresh cheeses like ricotta and mozzarella are a very different story.

Is Chocolate High in Histamine?

Why chocolate causes reactions in people with histamine intolerance, how dark, milk, and white chocolate compare, and what to try if you still want something sweet.

Is Coffee High in Histamine?

An explanation of whether coffee triggers histamine symptoms, why reactions vary so much, and what to try if you love coffee but have histamine intolerance.

Is Alcohol High in Histamine?

A breakdown of histamine levels in wine, beer, and spirits, why alcohol causes reactions even when histamine content is low, and what to drink if you have histamine intolerance.

Are Citrus Fruits High in Histamine?

Citrus fruits are among the most common triggers for people with histamine intolerance, but not because they're high in histamine. Here's what's actually happening and what you can do about it.

Are Bananas High in Histamine?

Bananas aren't technically high in histamine, but many people with histamine intolerance still react to them. Here's why ripeness matters and what to eat instead.

Is Dairy High in Histamine?

An explanation of whether dairy is high in histamine, why dairy can trigger symptoms in people with histamine intolerance or MCAS, and how reactions may be indirect or delayed.

Is Gluten High in Histamine?

An explanation of whether gluten is high in histamine, why gluten can trigger symptoms in people with histamine intolerance or MCAS, and how delayed reactions can occur.

Is Avocado High in Histamine?

Why avocado causes reactions in people with histamine intolerance, how ripeness makes things worse, and what you can use instead

Are Eggs High in Histamine?

Eggs are one of the most confusing foods in histamine intolerance. Egg yolks are generally well tolerated, but egg whites can trigger reactions in some people. Here's what's actually going on.

Are Sweet Potatoes High in Histamine?

Sweet potatoes are one of the most reliably safe foods for histamine intolerance. Here's why they work well, how to prepare them, and when to keep an eye on your own response.

Is Chicken High in Histamine?

Fresh chicken is one of the safest proteins for histamine intolerance. The problem is what happens after you cook it. Here's what to know.

Is Vinegar High in Histamine?

Fermented vinegars like balsamic and wine vinegar are commonly reported triggers for histamine intolerance. Here's which types are the biggest problem, where vinegar hides in everyday foods, and what to use instead.

Is Rice High in Histamine?

Good news for people managing histamine intolerance: plain rice is one of the safest foods you can eat. Here's what you need to know, including the one real caveat.

The Low Histamine Elimination Phase: A Complete Guide

A step-by-step guide to the low histamine elimination diet, including what to eat, what to avoid, how long to do it, and when to start reintroducing foods.

DAO Supplements: Do They Actually Work?

An honest look at DAO supplements for histamine intolerance, how they work, why timing matters, and how to get the best results.

Why Do I Feel Worse After Taking Probiotics?

An explanation of why probiotics can trigger histamine symptoms, which bacterial strains produce histamine, and how to choose probiotics that won't make things worse.

Best Restaurants for Histamine Intolerance

A practical guide to the best restaurant options for histamine intolerance, including Mexican, Korean BBQ, Vietnamese, Chipotle, and Chick-fil-A.

How to Track Histamine Symptoms Effectively

A practical guide to tracking histamine symptoms, including what to log, when to log it, and how tracking helps identify patterns in histamine intolerance and MCAS.

Best Histamine Tracking Apps in 2026

Most food journals aren't built for histamine intolerance. These apps actually help you track delayed reactions and find patterns over time.

Epsom Salt Baths and Histamine Intolerance

How Epsom salt baths may help with histamine intolerance through magnesium absorption, stress relief, and muscle relaxation.

Yoga and Histamine Intolerance

How yoga can help manage histamine intolerance symptoms through stress reduction, gentle movement, and nervous system regulation.