By the term allergy, we imply a condition that causes an appropriate or exasperated reaction by the bodies' own immune reaction. In an allergic condition, some harmless substances can also be dangerous for a person. It causes release of some antibodies and substances like histamine. These antibodies or substances can produce profound reaction.

The common reaction are: sneezing, swelling, fever, low blood pressure, rash, asthmatic attack, swelling of throat, pain in abdomen & diarrhea, nausea etc. Various types of medicines are available for the allergies. But they must be taken under the guidance of a qualified homeopath for the effective results.