<unk>  (EC 3.4.22.6,<unk>  A,<unk>  B,<unk>  S, brand name Chymodiactin) is a proteolytic enzyme isolated from the latex of papaya (Carica papaya).  It is a medication used to treat herniated lower lumbar discs in the spine.<unk>  injections are normally given under local, rather than general, anaesthesia. The dose for a single intervertebral disc is 2 to 4 nanokatals, with a maximum dose per patient of 8 nanokatals. The procedure is referred to as chemonucleolysis.
The sale and distribution of<unk>  was discontinued in the United States on January 27, 2003 after the company producing it decided to stop selling worldwide.
Chymopapain
Trospium
Oxybuprocaine
Apraclonidine
Pramocaine
Dimethyltubocurarine
Linsidomine
Dequalinium