Histamine Intolerance & MCAS

Histamine Intolerance & MCAS

Histamine intolerance and mast cell activation syndrome (MCAS) can cause a wide range of confusing symptoms including digestive issues, skin reactions, headaches, and anxiety. This comprehensive guide helps you understand these conditions and provides dietary and lifestyle strategies for management.

At Nourish Medical Center, we work with many patients struggling with histamine-related issues. This handout provides clear information on histamine intolerance and MCAS, including a low-histamine food guide and strategies for reducing your overall histamine burden.

You’ll Learn:

• Understanding histamine intolerance and MCAS
• Low-histamine foods and high-histamine foods to avoid
• Strategies for managing symptoms and reducing histamine load

This handout includes comprehensive food lists organized by histamine content, information on histamine liberators and DAO (diamine oxidase) blockers, and guidance on food preparation and storage to minimize histamine formation. You’ll also learn about supplements and lifestyle factors that can support histamine metabolism.

Who This Handout Is For:

• Individuals with suspected histamine intolerance or MCAS
• Patients with unexplained allergic-type reactions
• Anyone with chronic hives, flushing, or digestive issues
• Those working with a provider on histamine management

Download this handout to manage histamine intolerance and reduce your symptoms.