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Alpha-1-antitrypsin deficiency

This information is for people in the UK who have been diagnosed with alpha-1-antitrypsin deficiency, their families, friends and carers. It explains what alpha-1-antitrypsin deficiency is, what causes it, what the symptoms are, how it’s diagnosed and options for treatment.

Alpha-1-antitrypsin deficiency is also known as AATD or A1AD.