Symptoms. Vitamin deficiency anemia usually develops slowly over several months to years. Signs and symptoms may be subtle at first but usually increase as the deficiency worsens. These may include: Fatigue. Shortness of breath. Dizziness. Pale or yellowish skin. Irregular heartbeats. People with vitamin B12 deficiency can have neurological symptoms and/or damage without anemia (lack of red blood cells). General physical symptoms of vitamin B12 deficiency can include: Feeling very tired or weak. Experiencing nausea, vomiting or diarrhea. Not feeling as hungry as usual. Weight loss. Initially, iron deficiency anemia can be so mild that it goes unnoticed. But as the body becomes more deficient in iron and anemia worsens, the signs and symptoms intensify. Iron deficiency anemia signs and symptoms may include: Extreme fatigue; Weakness; Pale skin; Chest pain, fast heartbeat or shortness of breath; Headache, dizziness or Abstract. Regarding the high prevalence of vitamin D (25 (OH)D) deficiency in the population and its possible association with ear diseases, we aimed to investigate the 25 (OH)Dserum level in patients with subjective, nonpulsating tinnitus and its effect on tinnitus severity. The study included 201 tinnitus patients and 99 controls. Summary. Vitamin D deficiency is a common problem worldwide. Symptoms include fatigue, muscle aches, and getting sick easily. Severe vitamin D deficiency can lead to serious health issues, such as rickets and osteoporosis. Lack of vitamin D may also play a role in immune system disorders, heart disease, and cancer. Low Dopamine Symptoms. With links to conditions like schizophrenia and Parkinson's disease, dopamine deficiency can exhibit similar traits with these conditions. These traits include: Chronic back pain. Persistent constipation. Weight fluctuations. Dysphagia or difficulty swallowing. Sleep disorders. Fatigue. As the deficiency worsens, you may experience a reduced ability to learn, cardiovascular changes and a rapid heartbeat. If left untreated, a magnesium deficiency will cause delirium, numbness, tingling, depression, hallucinations, abnormal eye movements, convulsions and vertigo. Advertisement. When the demand for oxygen from other organs goes up, there may be a temporary reduction of oxygen to the brain and the result can be dizziness.”. There are different types of anemia—including pernicious, aplastic, hemolytic, and iron deficiency anemia—and each has its own cause. For most adults, vitamin D deficiency is not a concern. However, some groups — particularly people who are obese, who have dark skin and who are older than age 65 — may have lower levels of vitamin D due to their diets, little sun exposure or other factors. Here are 5 potential signs and symptoms of omega-3 deficiency. 1. Skin irritation and dryness. If your body lacks omega-3 fats, one of the first places you may notice it is in your skin. For cZP3.