melopsittacus undulatus feather

Melopsittacus undulatus feather refers to biological preparations derived from the feathers of the common budgerigar (*Melopsittacus undulatus*). In clinical medicine, these extracts are primarily utilized as diagnostic allergens for identifying sensitivities in individuals suspected of having avian-related allergic conditions, such as bird fancier's lung (hypersensitivity pneumonitis), allergic rhinitis, or asthma. The extract contains specific proteins that act as antigens, which, when introduced via skin prick testing or used in in vitro IgE assays, can elicit an immune response in sensitized patients. Beyond its diagnostic use, it is also recognized in homeopathic medicine as a remedy prepared through serial dilution and succussion, where it is traditionally indicated for a variety of physical and behavioral symptoms based on the principle of "like cures like."

Other names

Budgerigar featherParakeet featherMelopsittacus undulatus