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    Discharge Instructions for Hypokalemia (Child)

    Your child has been diagnosed with hypokalemia. This means a low level of potassium in their blood. Potassium helps the nerve and muscle cells function, including those in the heart. A low level of potassium in the blood can cause abnormal heart rhythms and even heart attack. Here's what you need to know about home care for your child.

    Diet changes

    • Encourage your child to eat more potassium-rich foods, such as:
      • Bananas.
      • Milk.
      • Oranges and orange juices.
      • Kiwis.
      • Raisins.
      • Tomatoes.
      • Spinach.
      • Dried fruit.
      • Cantaloupe.
      • White beans, canned.
      • Lima beans.
      • Potatoes.
      • Sweet potatoes.
      • Avocados.
      • Yogurt.
    • Give your child a potassium supplement, as directed by their doctor.
    • After strenuous exercise or any activity that causes your child to sweat a lot, give your child a drink that has high levels of potassium. This includes coconut water, orange juice, or low-sodium vegetable juices.
    • If your child is vomiting or has diarrhea, give them drinks or foods that contain potassium.
    • Help your child stay away from foods that are high in salt. This includes canned and prepared foods that are high in salt.

    Medicine

    • Make sure your child takes all their medicines exactly as directed.
    • Tell your child's doctor about all the prescription and over-the counter medicines that your child is taking. This includes herbal preparations. Certain medicines can affect your child's potassium levels.

    Follow-up

    • Make a follow-up appointment, or as advised.
    • Have your child's potassium levels checked regularly.
    • Keep all follow-up appointments. Your child's doctor needs to watch your child's condition closely.

    When to call for help

    Call 911if your child has:

    • A fast, irregular heartbeat.
    • Shortness of breath or chest pain.
    • Muscle cramps, spasms, or twitching.
    • Paralysis.

    Contact your child's doctor right away if your child has:

    • Vomiting or diarrhea.
    • Extreme tiredness (fatigue).
    • Weakness.
    Online Medical Reviewer: Chelsey Schilling BSN RN
    Online Medical Reviewer: Heather M Trevino BSN RNC
    Date Last Reviewed: 9/1/2025
    © 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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    Southern New Mexico
    Surgery Center

    2301 Indian Wells Rd. Suite B
    Alamogordo, NM 88310
    www.snmsc.org

    Phone: 575.437.0890
    Fax: 575.437.0905
    Email: info@snmsc.org

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