Let's take a minute to talk about your medication. 

This is nadolol, and it has two common uses. First, it can help treat high blood pressure. Over time, controlling blood pressure can lower your chance of having a heart attack or a stroke. And, nadolol can help treat a type of chest pain called 'angina'. It makes chest pain from angina happen less often. 

You should take this medicine exactly as directed by your doctor. You should take it around the same time each day, and not miss any doses. Nadolol can lower your blood pressure and your heart rate. So, it's a good idea to ask your doctor how often to check your readings, and when to report changes.

At first, some side effects may happen, like feeling a little tired, weak or dizzy. To reduce dizziness, you should stand up slowly after you've been sitting or lying down. You should wait until you know how nadolol affects you before doing activities that require you to be alert, like driving. These effects are normal if they are mild, and should go away. If these or other effects become reasons you want to stop taking this medicine, please talk to your doctor or pharmacist. But, don't stop taking it suddenly, unless your doctor tells you to.

As with any medicine, rare but serious side effects could occur. With nadolol, these include feeling faint, or having problems breathing, swollen ankles, or unusual changes to your heart beat. You should get medical help right away if you notice these or other changes to your body.  

For best results with nadolol, be sure to plan ahead for refills.