Can Hydrea cause low red blood cell counts?
Yes, Hydrea (hydroxyurea) can cause low red blood cell counts, leading to anemia. This medication decreases the production of all types of blood cells in your bone marrow, not just the ones you're trying to control.
When Hydrea reduces red blood cell levels too much, it can Show Full Answer
Can Hydrea cause low red blood cell counts?
Yes, Hydrea (hydroxyurea) can cause low red blood cell counts, leading to anemia. This medication decreases the production of all types of blood cells in your bone marrow, not just the ones you're trying to control.
When Hydrea reduces red blood cell levels too much, it can result in:
- Anemia requiring blood transfusions in some cases
- Increased fatigue and weakness
- Other symptoms related to low oxygen levels in the blood
One myMPNteam member shared their experience, saying Hydrea "wreaked havoc on my bloodwork and wasn't the right drug for me. It caused me to be anemic, resulting in two blood transfusions."
Because Hydrea affects all blood cell types, your doctor will monitor your blood counts regularly through tests. If you're experiencing unusual fatigue, weakness, or other concerning symptoms while taking Hydrea, it's important to discuss this with your healthcare provider. They can adjust your dosage or consider alternative treatments if needed.
Never stop taking Hydrea without first talking to your doctor, even if you're experiencing side effects.
November 12, 2025
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