atenolol / chlorthalidone

Don’t stop taking Tenoretic (atenolol / chlorthalidone) suddenly. It can raise your risk of serious heart problems, like chest pain or heart attack.

In some cases, Tenoretic (atenolol / chlorthalidone) might raise the risk of heart failure. This is because beta blockers (like the atenolol in Tenoretic) can slow down your heart. This can cause your heart muscle to pump less often. If you already have heart failure, your healthcare professional (HCP) will only prescribe this medication if they believe the benefits outweigh the risks. They might follow up with you more often during treatment.

Let your prescriber know if you're taking any calcium channel blockers, like verapamil or diltiazem (Cardizem). Taking these medications with Tenoretic (atenolol / chlorthalidone) can slow your heartbeat or cause heart block, which can be dangerous. Share a list of all your medications with your prescriber so they can help check for interactions.

Tell your prescriber if you have any breathing problems, like asthma. Beta blocker medications, like Tenoretic (atenolol / chlorthalidone), can cause the airways in your lungs to tighten. This can make it harder to breathe for people with lung problems.

Your body gets rid of Tenoretic (atenolol / chlorthalidone) using your kidneys. If your kidneys aren't working well, more medication can build up in your body and lead to side effects. Additionally, Tenoretic (atenolol / chlorthalidone) can sometimes cause certain waste products to build up.

Tenoretic (atenolol / chlorthalidone) can make your body lose fluids. It can also cause changes to the levels of your electrolytes, like potassium, sodium, and chloride. Your risk might be higher if you have kidney problems. And if you have liver problems, small changes in fluid and electrolyte levels can raise your risk for liver complications.

There's a risk that the atenolol in Tenoretic can make it harder for you to notice signs of low blood sugar. Some signs, such as fast heartbeat, tremors, and irritability, might not be as noticeable. Sweating might be the only sign you have warning you of low blood sugar levels. This is especially important people with diabetes to know. Speak with your HCP about when and how to check your blood sugar if you start Tenoretic (atenolol / chlorthalidone).

If you have hyperthyroidism (too much thyroid hormone), talk to your HCP before stopping Tenoretic (atenolol / chlorthalidone). This medication can hide signs of hyperthyroidism, like a fast heart rate. Suddenly stopping the medication can worsen symptoms of hyperthyroidism. It can also lead to a serious condition called a "thyroid storm," which can cause high fever and rapid heartbeat.

The chlorthalidone component of Tenoretic can raise the uric acid levels in your body. This can sometimes lead to gout. Make sure to tell your prescriber if you've had a history of gout before starting this medication. They can tell you what signs to look out for, such as swollen, red, and painful joints.