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Ethacrynic Acid Tablets

What is this medication?

ETHACRYNIC ACID (eth a KRIN ik AS id) reduces swelling related to heart, kidney, liver, or lung disease. It may also be used to reduce swelling caused by cancer. It helps your kidneys remove more fluid and salt from your blood through the urine. It belongs to a group of medications called diuretics.

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This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Edecrin

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

  • Heart disease
  • High or low levels of electrolytes, like magnesium, potassium, or sodium in your blood
  • Kidney problems
  • Liver disease
  • An unusual or allergic reaction to ethacrynic acid, other medications, foods, dyes, or preservatives
  • Pregnant or trying to get pregnant
  • Breast-feeding

How should I use this medication?

Take this medication by mouth. Take it as directed on the prescription label at the same time every day. Take it with food. Keep taking it unless your care team tells you to stop.

Talk to your care team about the use of this medication in children. While it may be prescribed for children as young as 1 year for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medication?

This medication may interact with the following:

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  • Antiinflammatory medications like indomethacin
  • Certain antibiotics given by injection
  • Diuretics
  • Heart medications like digoxin
  • Hormones like cortisone, fludrocortisone, or hydrocortisone
  • Lithium
  • Medications for diabetes
  • Medications for high blood pressure
  • Warfarin

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse.

Check with your care team if you have severe diarrhea, nausea, and vomiting, or if you sweat a lot. The loss of too much body fluid may make it dangerous for you to take this medication.

You may need to be on a special diet while you are taking this medication. Ask your care team. Also, find out how many glasses of fluids you need to drink each day.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medication affects you. Do not stand up or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.

This medication may increase blood sugar. Ask your care team if changes in diet or medications are needed if you have diabetes.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Dehydration—increased thirst, dry mouth, feeling faint or lightheaded, headache, dark yellow or brown urine
  • Hearing loss, ringing in ears
  • Low blood pressure—dizziness, feeling faint or lightheaded, blurry vision
  • Low potassium level—muscle pain or cramps, unusual weakness or fatigue, fast or irregular heartbeat, constipation

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

  • Burning or tingling sensation in hands or feet
  • Diarrhea
  • Headache
  • Nausea

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children and pets.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medication after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

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Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.

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