Allergenic Extracts
Allergenic extracts are bacterially sterile and antigenically specific liquids that contain allergens (usually proteins and/or poly-saccharides)) which are obtained from natural sources (e.g. dust mites, molds, pollens, epidermals, insects, and insect venoms). These extracts are available in specific concentration levels for skin testing purposes and for formulating various immunotherapy treatments (also known as hyposensitization or