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Allergic Alveolitis
Definition: This is not an ailment that your pet bird gets, this is an ailment that you may get. The name says it all. Allergic (caused by the Allergic reaction of the body to a specific substance or condition) Alveolitis (an inflammation in the inner part of the lungs). This ailment is also known as 'Hypersensitivity Pneumonitis', 'Parakeet Dander Pneumoconiosis' and 'Pigeon Lung Disease'. This occurs most frequently with people that are sensitive to feathers, feather dust, and/or fecal matter. Some people may be genetically predisposed to this ailment. Repeated and prolonged exposure is usually necessary to cause this ailment.
Prevention: Preventative measures include cleaning cages daily, bathing birds frequently, providing good ventilation, and using an air purification system.
Symptoms/Signs/Tests: The early symptoms due to low levels of exposure (sub-acute or recurrent) may include coughing, shortness of breath, sweating, sore throat, headache, and nausea. At this level of exposure, removing the source of exposure often eliminates the symptoms. After chronic long-term exposure symptoms worsen and include increased dyspnea (labored breathing) and permanent damage to the lungs. After chronic long-term exposure, an irreversible form may develop with weight loss and similar symptoms to the sub-acute symptoms. At this point, the damage to the lungs may be irreversible and could cause death. The doctor may prescribe x-rays, blood tests or lung function tests but these cannot verify this specific ailment. Usually the patient's history is used along with these tests to make a diagnosis.
Cure/Treatment: Removing the source of the allergen will make the ailment go away after low level (sub-acute) exposure. However, after chronic long-term exposure, the ailment becomes irreversible. The doctor may prescribe medications to make breathing easier for those with chronic long-term exposure.