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What was that, archangle? I got dizzy there for a moment, missed what you said.

Vertigo can also be caused by low ferritin levels. Some people cannot donate blood even though a hematocrit test indicates they are a viable donor at the Red Cross station. Sometimes, ferritin levels recover too slowly, causing vertigo or dizziness for a few weeks after donation. In other words, there is not enough iron in your body for it to replenish the loss of hemoglobin at a normal rate. Doctors often prescribe iron supplements for low ferritin levels. Regardless, it wouldn't hurt to talk to your doctor about it.