Isolation and characterisation of house dust mite and formulation of its extract into sub lingual tablets for sub lingual immuno therapy

Background The house dust mites are cosmopolitan guest in human habitation. Dust mites occur in nearly all homes. They are generally found in pillows, bed sheets, mattress, stuff toys, carpets etc. Dust mites feed on organic detritus such as flakes of shed human skin and flourish in stable environment of dwellings. Exposure to house dust mites is recognized as major cause allergy worldwide. The European house dust mite (Dermatophagoides Pteronyssinus) and the American house dust mite (Dermatophagoides Farina) are two major species responsible for allergy.