Early anemia may be asymptomatic, but as it progresses, you may experience:
: Pale or yellowish "sallow" skin, cool hands and feet, and brittle or "spoon-shaped" nails (koilonychia). anemia
: Dizziness, headaches, rapid or irregular heartbeat (palpitations), and pounding in the ears. Major Types & Causes Early anemia may be asymptomatic, but as it
: Shortness of breath (dyspnea), especially during activity. Early anemia may be asymptomatic
Anemia occurs when your body doesn't have enough healthy red blood cells or hemoglobin to carry oxygen to your tissues. It is the most common blood disorder and ranges from mild to severe. Common Symptoms
: Unexplained lack of energy or generalized weakness.
Diagnosis often starts with identifying the "size" of red blood cells (MCV). Anemia - StatPearls - NCBI Bookshelf