Positive Regulation of Histamine Release

**Semantic type:** Phenomenon or Process

**Definition:** Any process in which the biogenic amine and neurotransmitter histamine is released, typically from mast cells, basophils, enterochromaffin-like cells and the brain. Histamine activity can be upregulated in the presence of certain amines, alkaloids and antibiotics and by degranulation of mast cells and basophils. This process is involved in immune system disorders and allergies.

**Synonyms:** - Histamine Activity Induction