Atenolol is a beta-blocker. Beta-blockers affect the heart and circulation (blood flow through arteries and veins).
Chlorthalidone is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.
Atenolol and chlorthalidone is a combination medicine used to treat hypertension (high blood pressure). Lowering blood pressure may lower your risk of a stroke or heart attack.
Atenolol and chlorthalidone may also be used for purposes not listed in this medication guide.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
Common side effects may include:
This is not a complete list of side effects and others may occur.
Do not use if you are pregnant. It could harm the unborn baby.
You should not use atenolol and chlorthalidone if you have a serious heart problem such as heart block or slow heart rate, if you are unable to urinate, or if you are allergic to sulfa drugs.
Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take this medicine in larger or smaller amounts or for longer than recommended.
While using atenolol and chlorthalidone, your blood pressure will need to be checked often and you may need frequent blood tests.
Vomiting, diarrhea, or heavy sweating can cause you to become dehydrated. This can lead to very low blood pressure, electrolyte disorders, or kidney failure while you are taking atenolol and chlorthalidone. Drink plenty of water each day while you are taking this medicine.
Keep using this medicine as directed, even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medicine for the rest of your life.
If you need surgery, tell the surgeon ahead of time that you are using atenolol and chlorthalidone. You may need to stop using the medicine for a short time.
You should not stop using atenolol and chlorthalidone suddenly. Stopping suddenly may make your condition worse. If you do stop taking this medicine, limit your physical activity to prevent heart problems.
Store at room temperature away from moisture, heat, and light.
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
Avoid becoming overheated or dehydrated during exercise and in hot weather. Follow your doctor’s instructions about the type and amount of liquids you should drink. In some cases, drinking too much liquid can be as unsafe as not drinking enough.
Tell your doctor about all medicines you use, and those you start or stop using during your treatment with atenolol and chlorthalidone, especially:
This list is not complete. Other drugs may interact with atenolol and chlorthalidone, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
If you have any questions about buying discount atenolol and chlorthalidone (Tenoretic, Tenoret) online or any other prescription products you can contact our team of professional Patient Service Representatives or one of our pharmacists by calling 1-833-313-3173.
Notice: The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.