Mayo Clinic Minute – Hypersensitivity pneumonitis—is your feather bedding making you sick?

If you have a feather duvet, down pillows or clothing and have some breathing concerns, you should learn about feather duvet lung.

Feather duvet lung (FDL), or hypersensitivity pneumonitis, is a lung problem caused by sensitivity to antigens from duck or goose feathers in duvets and pillows. Breathing in this dust triggers a reaction in the body, causing lung inflammation and difficulty breathing.

Dr. Ana Zamora-Martinez, a Mayo Clinic pulmonologist, says repeated exposure can lead to irreversible lung fibrosis, where the lungs become permanently scarred and damaged.
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