Small, white and round. One side has only an M on it. The other side is scored and it looks as if the number on it is 231
It's Atenolol 50mg tablet. Manufacturer / Distributor Mylan Pharmaceuticals Inc.
Atenolol is in a group of drugs called beta-blockers. Beta-blockers affect the heart and circulation (blood flow through arteries and veins).
Atenolol is used to treat angina (chest pain) and hypertension (high blood pressure). It is also used to treat or prevent heart attack.
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