Symptoms of<unk>  can include fatigue and lack of energy. However if symptoms progress, one may experience shortness of breath, rapid pulse, paleness—especially in the hands, eyelids and fingernails---, swelling of ankles, hair loss, lightheadedness, compulsive and atypical cravings, constipation, depression, muscle twitching, numbness, or burning and chest pain. Those who have<unk>  often show little to no symptoms. Often, symptoms can go undetected as mild forms of the anemia have only minor symptoms.
Nutritional anemia
Iatrogenic anemia
Iron deficiency
Zinc deficiency
Complications of diabetes
Vegetarianism
Mechanical hemolytic anemia
Zinc toxicity