Hemoglobin tests are given for many reasons, such as to screen for or help diagnose disease and to monitor treatment response. Some people learn that their hemoglobin is low when they go to donate blood. If you're told that you can't donate blood because of low hemoglobin.
signs and symptoms
If you experience signs and symptoms of a low hemoglobin count :
- Pale skin and gums
- Shortness of breath
- A fast or irregular heartbeat