Histaminum is a Homeopathic medicine derived from histamine hydrochloride (synthetic). Homeopathic potencies accredit their strength and efficacy to the electromagnetic signatures of the original substrate; these are scientifically created dilutions and succussions of medicines such that generally not even a molecule of the original substrate or medicine is present in the medicine.

As a Homeopathic or used simply as a micro-nutritional, histaminum has demonstrated effectiveness against the following symptomology: painful dryness in nose, nose blocked unilaterally or bilaterally; itching of the nose; -dryness of throat, sensation of constriction in throat; -sensation of constriction in chest; want of air, suffocating cough with tickling in throat; -all manifestations of mucocutaneous allergic conditions (Julian).