How to Lower Hematocrit for Plasma Donation

How to Lower Hematocrit for Plasma Donation

Donating plasma is a noble act that can save lives. However, certain criteria must be met to ensure the safety and quality of the donated plasma. One such criterion is the hematocrit level, which measures the percentage of red blood cells in the blood. A high hematocrit level can disqualify a person from donating plasma. If you are interested in plasma donation but have a high hematocrit level, here are some steps you can take to lower it:

1. Stay hydrated: Drinking plenty of water can help dilute the blood and decrease the hematocrit level.

2. Avoid high iron foods: Iron-rich foods like red meat and spinach can increase the hematocrit level. Limit your intake of these foods before your donation.

3. Exercise regularly: Regular physical activity helps improve blood flow and can lower hematocrit levels.

4. Quit smoking: Smoking can increase the hematocrit level. Quitting smoking can not only improve your hematocrit level but also benefit your overall health.

5. Limit alcohol consumption: Excessive alcohol intake can raise hematocrit levels. Moderation is key.

6. Seek medical advice: If you have a medical condition that is causing a high hematocrit level, consult your doctor. They may be able to recommend appropriate treatments or medications.

7. Donate blood: Regular blood donation can help lower hematocrit levels. However, ensure that the blood donation centers accept individuals with high hematocrit levels for plasma donation.


1. What is a normal hematocrit level?
A normal hematocrit level is typically between 36% and 48% for women and 41% and 50% for men.

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2. How long does it take to lower hematocrit levels?
Lowering hematocrit levels can vary from person to person. However, with lifestyle changes, it may take a few weeks to notice a significant difference.

3. Can medication lower hematocrit levels?
Certain medications, such as erythropoietin-stimulating agents, can help lower hematocrit levels. However, these should only be taken under the guidance of a healthcare professional.

4. Can dehydration affect hematocrit levels?
Yes, dehydration can increase hematocrit levels. It is crucial to stay hydrated, especially before donating plasma.

5. Can donating plasma lower hematocrit levels?
Yes, donating plasma can help lower hematocrit levels as it removes red blood cells from the body.

6. How often can I donate plasma?
The frequency of plasma donation may vary depending on the donation center’s guidelines. Generally, you can donate plasma every 28 days.

7. Can high hematocrit levels be a sign of an underlying health condition?
Yes, high hematocrit levels can indicate conditions like polycythemia vera or lung diseases. It is essential to consult a healthcare professional for further evaluation.