Rare Diseases and Orphan Drugs

Allergic and Immunologic Disorders

Allergic is one of the most adverse immune reaction faced by worldwide   population which is next accompanied by inflammation. The set of conditions caused by Hypersensitivity reactions of the  in response to any foreign substance is called allergy/ allergic diseases. It may arise due to environmental or genetic factors. The causative agents are known as allergen and they may be food, drug, dust, pollen, animal dander &fur etc. varying for each individual. Most allergen immunotherapies  are the advanced therapeutics method to treat the allergies. Allergic and Inflammatory Reactions are caused by the immune system but if the reaction becomes adverse then the condition becomes chronic for an individual. The causative agents for such adverse reactions could be genetic, environmental, pathogenic and synthetic compounds. The localized body part which gets hot, swollen, red and painful after an injury or infection is an condition termed as  and it might be due to allergy: Allergic inflammation or due to tumour. Inflammation can be   chronic or acute and it consists of different types based on the part of inflammation.