Aristolochic acid is a potent carcinogen and nephrotoxin found in certain plants and botanicals.
Products that contain arstolochic acid have been associated with several occurrences of kidney failure in Europe. The use of aristolochic acid containing products has also been linked to the increase risk of kidney cancer in people who have consumed it. Aller Relief was distributed nationwide to licensed health care practitioners, and retail outlets. Aller Relief is packaged in 30-ct. The lot numbers covered in this recall are 30-ct.