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HomeAnswersRadiation Oncologylow sodium levelMy relative was diagnosed with low sodium. Kindly help.

What causes low sodium levels in the blood in a 61-year-old?


The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

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Published At September 27, 2022
Reviewed AtOctober 9, 2023

Patient's Query

Hello doctor,

One of my relative is 61-year-old and was diagnosed with lymphoma last year. He had chemotherapy and radiation for around seven months, and his previous PET scan four months ago showed no signs of cancer. He was good until last month's end. This month, his sodium level dropped, and he had a fever intermittently. He started to lose his memory. The doctor suggested giving sodium through IV (intravenously). His sodium level was around 115 mEq/L. He is getting a fever with shivers when the IV is removed. The sodium count now is 129 mEq/L. I would like to know the possible cause of sodium drop and what can be done. Kindly suggest.


Welcome to icliniq.com.

Multiple factors could lead to low sodium, such as poor nutrition, dehydration, side effects of earlier cancer treatment, comorbidities like high blood pressure and associated treatment, etc. Thus there is a possibility it not be related to the previous lymphoma. However, to narrow it down, I would like to know more details, so if you could share previous reports and tell about any comorbidities, it can help let me answer your question. After diagnosing low sodium levels did you get your PET (positron emission tomography) and MRI (magnetic resonance imaging) scan done? I hope this helps.

Thank you.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Bhatia Jatin Vinod
Dr. Bhatia Jatin Vinod

Radiation Oncology

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