Adrenaline
Moderate
Textbook
Physiological antagonism on bronchial muscles and blood pressure.
Source: KDT 7e · p58
Drug reference
Histamine
Vitamin · Unknown
VitaminUnknown
CDSCO approvedSchedule H
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
, in breastfeeding women, and in children under 12 years. All
FDA category + note
Mechanism
Histamine is an endogenous mediator primarily involved in immediate, rapidly-evolving reactions compatible with an immunological mechanism, such as drug allergy. Its release can lead to clinical features like anaphylaxis, with erythema, urticaria or angioedema, hypotension, and bronchospasm.
Pharmacokinetics
Metabolism
Histamine undergoes methylation.
Pregnancy & lactation
Pregnancy
, in breastfeeding women, and in children under 12 years. All
Drug interactions
11 additional unreviewed or low-confidence interactions hidden because their provenance or source detail is insufficient.
Related guidelines
Other Vitamin drugs
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Textbook-sourced·Sources: KD Tripathi 7e, Katzung, BNF, Nelson·Updated: 2026-05-10