Why is high potassium harmful?

Answered by 1 Apollo Doctors

Dr Vasanthasree Nair

General Practitioner

MBBS
15+ Yrs

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Too much potassium in your blood can damage your heart, make you feel palpitations and even cause a heart attack.

Dr. Vasanthasree Suggests...

Take a SGPT Test / ALT Test Test or Take a Iron Studies Test Test

Book SGPT Test / ALT Test Test Book Iron Studies Test Test

Answered 24/07/2025

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Hi Sir/Mam, My father has diabetes. One week ago, his blood sugar was 400?mg/dL with positive ketones, and he also has TB. We hospitalized him, and after 2 days, his retest results showed: Ketones: Negative Blood sugar: 88?mg/dL (continuously monitored) TB: Under control General health: Okay but weak Diet: Not eating properly Recently, his local doctor did an electrolyte test and found potassium at 2.6?mEq/L (normal is 4.0). The doctors have suggested intravenous potassium infusion over 24 hours.

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