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Brand Name: Aldactone Generic Name: Spironolactone

This medicine is a diuretic or "water pill".

What does this medicine do?

  • Helps the body hold on to potassium, an important mineral in the body.
  • Removes a small amount of extra fluid from the body.

How should I give my child this medicine?

  • Give at the same time each day as directed.
  • Give with or without food/liquids.
  • Can be given as a liquid or as a pill. The liquid should be measured only with an oral syringe.

What should I do if my child vomits after a dose?

  • If vomiting occurs within 15 minutes after the medicine is given, give the entire dose again. If more than 15 minutes have passed, do not give it again until the next scheduled dose.

What should I do if my child misses a dose?

  • Give the dose up to 2 hours later. If it is more than 2 hours late, skip the missed dose and give the next dose at the regular time.
  • Never try to make up missed doses by giving extra medicine.

  What precautions or special instructions should I know about?

  • Children taking Aldactone and other diuretics can become easily dehydrated if they have diarrhea or vomiting that lasts more than 24 hours. For babies on diuretics, this can happen even quicker. Signs of dehydration in children include decreased urine output, dry mouth, lack of tears with crying, and dry skin. In babies, another sign of dehydration is that the soft spot on top of the head becomes depressed or sunken. If you notice any of these signs in a child with vomiting or diarrhea, please call your child's doctor right away.

What are the common side effects?

Side effects are unlikely but report:

  • Muscle weakness
  • Fatigue
  • Tingling hands/feet
  • Enlarged breasts
  • Upset stomach
  • Irregular heartbeat

This information does not cover all the uses, precautions, side effects or interactions of this medicine. If you have any further questions, please contact your doctor.

2006: Information reviewed by Lynda Dettling BSN, RN

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