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Combination of
Atenolol Beta blocker
Chlortalidone Thiazide diuretic
CAS number  ?
ATC code  ?
PubChem  ?
Therapeutic considerations
Pregnancy cat.


Legal status


Routes Oral

Co-tenidone (BAN) is a non-proprietary name used to denote a combination of atenolol and chlortalidone. Co-tenidone is used in the treatment of hypertension. The use of β-blockers in hypertension was downgraded in June 2006 in the United Kingdom to fourth-line as they perform less well than other drugs, and that atenolol, the most frequently used β-blocker, at usual doses carries an unacceptable risk of provoking type 2 diabetes.[1]


Two strengths of co-amilozide is currently available in the UK:

  • 50 mg atenolol and 12.5 mg chlortalidone , BAN of Co-tenidone 50/12.5
  • 100 mg atenolol and 25 mg chlortalidone , BAN of Co-tenidone 100/25


This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Co-tenidone". A list of authors is available in Wikipedia.
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