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Frequency. 1 per 1000 people [8] Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B 12. [5] Those affected often have a gradual onset. [5] The most common initial symptoms are feeling tired and weak. [4]
6% (< 60 years old), 20% (> 60 years old) [ 4 ] Vitamin B12 deficiency, also known as cobalamin deficiency, is the medical condition in which the blood and tissue have a lower than normal level of vitamin B 12. [ 5 ] Symptoms can vary from none to severe. [ 1 ] Mild deficiency may have few or absent symptoms. [ 1 ]
Vitamin B 12 supplements are available as single or multivitamin tablets. Pharmaceutical preparations of vitamin B 12 may be given by intramuscular injection. [6] [61] Since there are few non-animal sources of the vitamin, vegans are advised to consume a dietary supplement or fortified foods for B 12 intake, or risk serious health consequences. [6]
Vitamin B12 deficiency symptoms . Vitamin B12 deficiency has a few hallmark symptoms, according to doctors: Lack of energy. Mental fatigue. Nausea, vomiting, or diarrhea. Lack of appetite. Weight loss
If you regularly feel drowsy after eating even after making dietary adjustments, ask your doctor to administer the hemoglobin A1c test. The test measures average blood sugar levels and shows how ...
Cyanocobalamin is a form of vitamin B 12 used to treat and prevent vitamin B 12 deficiency except in the presence of cyanide toxicity. [7] [8] [2] The deficiency may occur in pernicious anemia, following surgical removal of the stomach, with fish tapeworm, or due to bowel cancer. [9] [5] It is used by mouth, by injection into a muscle, or as a ...
Vitamin B 12 deficiency: Anemia, neurological and digestive disorders. [36] [37] This may result in feeling tired, shortness of breath, lightheadedness, headaches, mouth ulcers, pale skin, rapid heartbeat, loss of appetite, hair loss, low blood pressure, decreased ability to think, joint pain, numbness and tingling to the fingers and toes, and ...
Bottom line: It’s normal to feel a little tired after you eat here and there. But if you find it’s a regular thing for you, it’s a good idea to set an appointment with your doctor.