Before you use Cyanocobalamin Nasal Spray, tell your healthcare provider about all of your medical conditions, including if you: Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements
Prolonged or severe vitamin B12 deficiency may therefore cause permanent brain or nerve damage
Common signs include: Ongoing fatigue or weakness Pale skin Numbness or tingling in the hands and feet Brain fog, forgetfulness, or trouble concentrating Low mood, anxiety, or irritability Poor appetite or digestive upset When B12 is low, your metabolism slows, you have less energy for activity, and appetite signals can get thrown off, all of which make weight loss harder
A B12 deficiency can also be the result of: Cobalamin malabsorption (intestinal diseases, gastric/intestinal resection, atrophic gastritis, pancreatic insufficiency) Low gastric intrinsic factor (dietary intake deficits are less common) Drug interactions
What type of thyroid disease do you have
