[20] Pernicious anemia may be present without a person experiencing symptoms at first, over time, feeling tired and weak, lightheadedness, dizziness, headaches, rapid or irregular heartbeat, breathlessness, glossitis (a sore red tongue), poor ability to exercise, low blood pressure, cold hands and feet, pale or yellow skin, easy bruising and bleeding, low-grade fevers, tremor, cold sensitivity, chest pain, upset stomach, nausea, loss of appetite, heartburn, weight loss, diarrhea, constipation, severe joint pain, feeling abnormal sensations including tingling or numbness to the fingers and toes ( pins and needles ), and tinnitus, may occur
The expiration date on the vial label is the documented endpoint for sealed storage under the specified temperature conditions
Start a detailed symptom diary to present to your GP
Can I get a B12 shot if I am pregnant or breastfeeding
(1996) Effects of vitamin B12 on performance and circadian rhythm in normal subjects
Photographs can document a conflict and support an investigation without becoming a definitive authentication test