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Can smoking and less consumption of water lower the hemoglobin level and hematocrit level?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I have recently done my annual physical checkup. My doctor referred me to a hematologist due to a decrease in my hemoglobin level, which is 10.8 % and, as well as my hematocrit level, which was 47% . I have a history of smoking and do not drink sufficient water. Do smoking and less consumption of water the real cause for my concern? Please help.

Answered by Dr. Goswami Parth Rajendragiri

Education:

MBBS

Professional Bio:

Dr. Goswami Parth Rajendragiri is an experienced General Physician and Pathologist with extensive years of clinical expertise. He specializes in diagnosing and managing a wide range of medical conditions while providing holistic care to patients. As a Pathologist, he is skilled in performing and interpreting laboratory investigations that aid in accurate diagnosis and treatment planning. Dr. Rajendragiri is dedicated to delivering patient-focused care with a strong emphasis on preventive medicine and overall well-being.

This doctor is not available for online consultations on the platform anymore.

Hello,

welcome to the icliniq.com.

I have gone through your query.

Your doctor suspects secondary polycythemia and so you are referred to a hematologist. You are having smoking habit according to provided history.

1. Smoking is the cause of a slightly high HCT in your case.

2. Dehydration also can lead to such changes in Hemoglobin and HCT (Hematocrit TEST).

3. So it is a matter of concern but does not worry much regarding that, according to my opinion.

4. Drink lots of water and stop smoking.

5. Then after a few days, you can repeat your CBC.

For further work, serum EPO (Erythropoietin) estimation can be done. Hope I have answered your question. Let me know if I can assist you further.

I hope this has helped you.

Thanks and Regards.

Medically reviewed by iCliniq medical review team
Published At June 2, 2023
Reviewed At July 14, 2026

Education:

MBBS

Professional Bio:

Dr. Goswami Parth Rajendragiri is an experienced General Physician and Pathologist with extensive years of clinical expertise. He specializes in diagnosing and managing a wide range of medical conditions while providing holistic care to patients. As a Pathologist, he is skilled in performing and interpreting laboratory investigations that aid in accurate diagnosis and treatment planning. Dr. Rajendragiri is dedicated to delivering patient-focused care with a strong emphasis on preventive medicine and overall well-being.

This doctor is not available for online consultations on the platform anymore.

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

Education:

MBBS

Professional Bio:

Dr. Goswami Parth Rajendragiri is an experienced General Physician and Pathologist with extensive years of clinical expertise. He specializes in diagnosing and managing a wide range of medical conditions while providing holistic care to patients. As a Pathologist, he is skilled in performing and interpreting laboratory investigations that aid in accurate diagnosis and treatment planning. Dr. Rajendragiri is dedicated to delivering patient-focused care with a strong emphasis on preventive medicine and overall well-being.

This doctor is not available for online consultations on the platform anymore.

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