Let's take a minute to talk about your medication.
This is Spironolactone. You may also hear it called by it's brand name, Aldactone. It is used to treat high blood pressure or heart failure. It can also be used to help reduce swelling or treat high levels of a hormone called aldosterone. Spironolactone may have other uses, too.
Spironolactone is often taken one time each day. You doctor will determine what dose is right for you. You should take it exactly as your doctor tells you to. You can take your dose with or without food, but be sure to take it the same way each time. For more information regarding how to take this medicine and what to do if you miss a dose, read the "Patient Information Sheet".
Most people tolerate this medicine well. Common side effects include headache, nausea, vomiting, diarrhea, and leg cramps. It can cause low blood pressure and make you feel dizzy, drowsy, or tired. You should wait until you know how this medicine affects you before you do activities that require you to be alert, like driving. These effects are normal, if mild, and should go away. If these or other side effects become reasons you want to stop taking this medicine, please talk to your healthcare team,
As with any medicine, rare but more serious side effects can occur. With Spironolactone, this includes enlargement of the breast tissue in men. Your doctor will also watch for changes in your blood tests. You should read the patient information sheet to know which symptoms to watch for and when to report changes. 
Spironolactone can interact with other medicines. You should always check with your doctor or pharmacist before taking any other medicines, herbal remedies, or vitamins. 
 Women should talk to their doctors before becoming pregnant or breastfeeding while taking this medication.
For best results, work closely with your healthcare team to manage your condition and read the Patient Information Sheet for full information.