Symptoms of anemia vary based on the type of anemia. However, all types of anemia cause loss of energy, easy fatigue, rapid heartbeat, shortness of breath, headache, poor concentration and dizziness, according to WebMD. Pale skin, insomnia and leg cramps are also associated with all types of anemia.
Anemia caused by a deficiency in iron can cause pica, which is characterized by strange cravings for things like dirt, ice or even paper, WebMD explains. Koilonychias, or an upward curving of the nails and soreness in the mouth along with cracked corners in the lips are also signs. For anemia caused by a deficiency of B12, a sensation of tingling feet, reduced sense of touch, dementia and clumsiness are often noted.