Hihc_Histaminum Hydrochloricum is a homeopathic medicine that is used to relieve symptoms associated with allergic reactions such as itching, hives, and nasal congestion. This medicine is made from a diluted form of histamine, a natural substance produced by the body in response to allergens. Hihc_Histaminum Hydrochloricum works by stimulating the body's natural healing mechanisms to reduce inflammation and restore balance. It is safe and effective for both adults and children. Use as directed by a healthcare professional.