Table 2.
Symptoms of iron deficiency, vitamin B12 deficiency, and anemia
| Symptoms | ||
|---|---|---|
| Iron deficiency | Vitamin B12 deficiency | Anemia |
| Fatigue | Neurological | Shortness of breath |
| Restless legs syndrome | Peripheral neuropathy | Dizziness |
| Attentiveness disorder | Myelopathy | Tachycardia |
| Brittle nails | Spinal ataxia | Decreased physical function |
| Hair loss | Weakness | Decreased cognitive function |
| Sleeping disorder | Depression | – |
| – | Gastrointestinal | – |
| – | Glossitis | – |
| – | Malabsoprtion | – |
| – | Diarrhea | – |
ID iron deficiency, IDA iron deficiency anemia