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How can potassium levels be increased?

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Posted on Fri, 29 Apr 2016
Question: I am currently taking 40 mg of Lasix a day and I take 120 mg of potassium a day but my potassium will run so low at times I will get short of breath, can’t walk by myself and sometimes I will pass out. What can I do to keep my potassium level up?

Thank you
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Answered by Dr. Kathy Robinson (1 hour later)
Brief Answer:
fruit, low salt diet

Detailed Answer:
Hello and thank you for your question. You do not say why you are on the lasix but if you must be on a diuretic it may be more helpful for you to be on something like spironolactone which actually is a diuretic that raises potassium.
If you must be on lasix then eating plenty of fruit, especially berries can raise your potassium especially if you are on a very strict low salt diet.
Consider the DASH diet which you can find online to help with the low salt diet.
I wish you the best and let me know if you have further questions
Dr. Robinson
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Dr. Kathy Robinson

General & Family Physician

Practicing since :1989

Answered : 3535 Questions

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How can potassium levels be increased?

Brief Answer: fruit, low salt diet Detailed Answer: Hello and thank you for your question. You do not say why you are on the lasix but if you must be on a diuretic it may be more helpful for you to be on something like spironolactone which actually is a diuretic that raises potassium. If you must be on lasix then eating plenty of fruit, especially berries can raise your potassium especially if you are on a very strict low salt diet. Consider the DASH diet which you can find online to help with the low salt diet. I wish you the best and let me know if you have further questions Dr. Robinson