Ketotifen is an antihistamine and mast cell stabilizer commonly used to help reduce allergic symptoms, histamine-related reactions, mast cell activation, and inflammatory responses. In addition to blocking histamine receptors, ketotifen helps stabilize mast cells, reducing the release of histamine and other inflammatory mediators.

Ketotifen is frequently used in integrative medicine and neuroimmune protocols to support individuals with allergies, mast cell activation syndrome (MCAS), neuroinflammation, gastrointestinal inflammation, and immune dysregulation.

Potential Benefits

• Supports mast cell stabilization
• Helps reduce histamine-related symptoms
• Supports healthy immune regulation
• May reduce allergic reactions and sensitivities
• Supports gastrointestinal comfort in histamine-sensitive individuals
• May help improve sleep quality in some individuals
• Supports reduction of neuroinflammatory responses
• May help reduce irritability associated with histamine excess
• Supports overall neuroimmune balance

How It Works

• Blocks H1 histamine receptors
• Stabilizes mast cells and reduces histamine release
• Helps decrease inflammatory mediator production
• Supports reduction of allergic and inflammatory responses
• Promotes neuroimmune and gastrointestinal stability

Why It Is Helpful in AN Protocol

For autistic children and adults, as well as individuals with PANS/PANDAS and neuroimmune disorders:

• May help reduce mast cell activation and histamine-related symptoms
• Supports individuals with MCAS and allergic tendencies
• May help reduce neuroinflammation associated with immune dysregulation
• Supports gastrointestinal comfort when histamine intolerance is present
• May improve sleep and behavioral regulation in selected individuals
• Supports overall immune system balance

Key Mechanism

Ketotifen supports health primarily through:

• Mast cell stabilization
• Histamine receptor blockade
• Neuroimmune regulation
• Reduction of inflammatory mediator release
• Immune system support

Suggested Use

Typical dose: 1 mg daily or as directed by a healthcare professional.

Important

• May cause drowsiness, especially during the first weeks of use.
• Often started at a low dose and gradually increased as tolerated.
• Can be used as part of MCAS, allergy, and neuroimmune support protocols.