Limitations of Use

Do not use Aldactone if you have kidney disease, urination problems, or high levels of potassium in your blood. Do not use potassium supplements or other diuretics while you are taking Aldactone.

Before using this medication, tell your doctor if you have liver disease, or if you use a steroid or another diuretic.

Avoid drinking alcohol, which can increase some of the side effects of Aldactone.

Avoid a diet high in salt. Too much salt will cause your body to retain water and can make this medication less effective.

Do not use salt substitutes or low-sodium milk products that contain potassium. These products could cause your potassium levels to get too high while you are taking Aldactone.

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.

If you are being treated for high blood pressure, keep using this medication even if you feel fine. High blood pressure often has no symptoms.

What should I discuss with my doctor before taking Aldactone?

Do not use Aldactone if you have:

  • kidney disease or are unable to urinate;
  • high potassium levels (hyperkalemia); or
  • if you are taking potassium supplements or other potassium-sparing diuretics such as Aldactazide, amiloride (Midamor, Moduretic), or triamterene (Dyrenium, Dyazide, Maxzide).

Before using Aldactone, tell your doctor if you have:

  • heart disease;
  • liver disease; or
  • if you are using a steroid, or another diuretic.

If you have any of these conditions, you may need a dose adjustment or special tests to safely take Aldactone.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. Aldactone passes into breast milk and could cause harm to a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

What should I avoid while taking Aldactone?

Avoid drinking alcohol, which can increase some of the side effects of Aldactone. Tell your doctor if you regularly use other medicines that make you light-headed (such as cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to the side effects of Aldactone. Do not use salt substitutes or low-sodium milk products that contain potassium. These products could cause your potassium levels to get too high while you are taking Aldactone.

Avoid a diet high in salt. Too much salt will cause your body to retain water and can make this medication less effective.

Aldactone can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

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.

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