Co-tenidone (BAN) is a non- name used to denote a combination of atenolol and chlortalidone. Co-tenidone is used in the treatment of hypertension. The use of ò-blockers in hypertension was downgraded in June 2006 in the United Kingdom to fourth-line because they perform less well than other drugs, and because atenolol, the most frequently used ò-blocker, carries an unacceptable risk of provoking type 2 diabetes at usual doses.
Two strengths of co-tenidone are currently available in the UK: