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Spironolactone/hydrochlorothiazide (By mouth)

Hydrochlorothiazide (hye-droe-klor-oh-THYE-a-zide), Spironolactone (spir-on-oh-LAK-tone)

Treats edema (fluid retention) and high blood pressure. This medicine contains 2 diuretics (water pills).

Brand Name(s):

Aldactazide

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

This medicine is not right for everyone. Do not use it if you had an allergic reaction to spironolactone, hydrochlorothiazide, or sulfa drugs, or if you cannot pass urine or have Addison disease.

How to Use This Medicine:

Tablet

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.
  • Swallow the tablet whole. Do not break, crush, or chew it.
  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Some foods and medicines can affect how spironolactone/hydrochlorothiazide works. Tell your doctor if you are also using the following:
    • Acetylsalicylic acid, cholestyramine, digoxin, lithium, norepinephrine
    • Blood thinner (including dalteparin, enoxaparin, heparin)
    • Insulin or oral diabetes medicine
    • Muscle relaxant (including tubocurarine)
    • NSAID pain or arthritis medicine (including aspirin, diclofenac, indomethacin, naproxen)
    • Other blood pressure medicine (including eplerenone, ACE inhibitors, ARBs)
    • Steroid medicine (including hydrocortisone, methylprednisolone, prednisolone, prednisone)
  • Ask your doctor before you use any medicine, supplement, or salt substitute that contains potassium. You could have high levels of potassium in your blood that would cause serious health problems.
  • Alcohol, narcotic pain relievers, or sleeping pills may cause you to feel more lightheaded, dizzy, or faint when used with this medicine.

Warnings While Using This Medicine:

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, diabetes, glaucoma, gout, high cholesterol, lupus, trouble urinating, electrolyte imbalance, or a history of asthma or allergies (including a penicillin allergy).
  • This medicine may cause the following problems:
    • Eye or vision problems (including glaucoma, myopia)
    • Gynecomastia (swelling of the breasts)
    • Increased risk for skin cancer
  • This medicine may make you drowsy, dizzy, or lightheaded. Do not drive or do anything else that could be dangerous until you know how this medicine affects you. Stand or sit up slowly if you are dizzy or lightheaded.
  • Do not stop using the medicine without asking your doctor, even if you feel well. This medicine will not cure your high blood pressure, but it will help keep it in normal range. You may have to take blood pressure medicine for the rest of your life.
  • This medicine may make your skin more sensitive to sunlight. Wear sunscreen. Do not use sunlamps or tanning beds.
  • Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Blistering, peeling, or red skin rash
  • Confusion, weakness, uneven heartbeat, trouble breathing, numbness or tingling in your hands, feet, or lips
  • Dry mouth, increased thirst, muscle cramps or twitching, nausea, vomiting
  • Eye pain, vision changes, seeing halos around lights
  • Lightheadedness, dizziness, or fainting
  • Problems urinating, pain in your side or lower back
  • Sores, reddish patch or irritated area, shiny bump, pink growth, or white, yellow or waxy scar-like area on the skin
  • Stomach pain, vomiting blood or material that looks like coffee grounds, blood in your stools or dark stools
  • Unusual bleeding, bruising, or weakness

If you notice these less serious side effects, talk with your doctor:

  • Breast swelling, enlargement, pain, or tenderness
  • Drowsiness or sleepiness

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Last Updated: 12/4/2023

 
 
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