headache Abdominal or stomach pain bleeding from the gums or nose coughing that sometimes produces a pink frothy sputum swelling of the face, fingers, feet, or lower legs unusual tiredness or weakness dilated neck veins extreme fatigue decreased urine output blue lips and fingernails weight gain fast heartbeat ringing in the ears pale skin skin rash with a general disease difficult, fast, noisy breathing, sometimes with wheezing irregular heartbeat puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue cough dizziness Diarrhea eye pain hives, itching, or skin rash increased sweating difficulty with swallowing tightness in the chest chest pain irregular breathing Vitamin B12 Injection (Cyanocobalamin) FAQs Do you have any Vitamin B12 Coupon to avail discount
This can lead to side effects such as extreme fatigue, hunger pangs, and lightheadedness
Vitamin B12 is essential for normal fetal development, and a deficiency should be corrected
The evidence base is preclinical with one small human study
Many patients suffering from a B12 deficiency visit their GP complaining of tiredness and fatigue
RoB 2: a revised tool for assessing risk of bias in randomised trials