The Ministry of Health has withdrawn from the market products containing chlormezanone because of an unacceptable incidence of Stevens-Johnson syndrome.
[See also Information Exchange System Alert No. 53, 18 October 1996 and Pharmaceuticals Newsletter Nos. 1/2, January&February 1998]
References:
1) Communication from the WHO Regional Office for the Eastern Mediterranean enclosing a notification from the Ministry of Health, Saudi Arabia, 20 June 1999.
2) Pharmacovigilance, Agence du Médicament dated 14 October 1996.