Histamine

Definition

Histamine is a compound that is involved in the immune response and can contribute to allergic reactions. It is found naturally in certain foods.

Scientific / Technical Definition

Histamine is an organic nitrogenous compound involved in local immune responses, regulating physiological functions in the gut, and acting as a neurotransmitter. It plays a role in the inflammatory response and mediates the symptoms of allergic reactions by causing dilation of blood vessels and an increase in gastric acid secretion.

Benefits

• Acts as a neurotransmitter in the brain.
• Involves in the regulation of stomach acid.
• Plays a role in the immune response.

Examples

• Aged cheeses
• Fermented foods such as sauerkraut
• Processed meats like salami
• Certain fish including mackerel and tuna

Additional Information

• Known issues: Individuals with histamine intolerance may experience symptoms such as headaches, skin irritation, and digestive problems after consuming histamine-rich foods.

Related Terms

• Allergy
• Histamine Intolerance
• Antihistamines
• Immune Response

References

• Histamine: The Stuff Allergies Are Made Of
• Histamine and Histamine Intolerance