What disease is associated with a deficiency of B12?

A deficiency in vitamin B12 is primarily associated with megaloblastic anemia (where large, immature red blood cells form) and severe neurological problems like nerve damage, numbness, and cognitive issues, often stemming from conditions like pernicious anemia, an autoimmune disorder preventing B12 absorption.


What diseases are related to B12 deficiency?

People with pernicious anemia have a B12 vitamin deficiency. Digestive diseases: Diseases that affect your digestive system, like Crohn's disease and celiac disease, can prevent your body from fully absorbing vitamin B12.

Does vitamin B12 interact with amlodipine?

There were no interactions found between amlodipine and Vitamin B12. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.


Can B12 cause nausea?

Taking doses of vitamin B-12 might cause: Headache. Nausea. Diarrhea.

What is an autoimmune disease that causes B12 deficiency?

B12 deficiency is strongly linked to autoimmune diseases, primarily through Pernicious Anemia, where the immune system attacks stomach cells, preventing B12 absorption. Many other autoimmune conditions, like autoimmune thyroid disease (Hashimoto's), lupus, Sjögren's, Type 1 Diabetes, and rheumatoid arthritis, also frequently coexist with or cause B12 deficiency, often due to associated atrophic gastritis. This deficiency requires lifelong B12 treatment, often injections, for these patients.
 


B12 Deficiency (7 Signs Doctors Miss) 2024



What is the hardest autoimmune disease to diagnose?

There isn't one single "hardest" autoimmune disease to diagnose, but Vasculitis, Lupus (SLE), and certain rare inflammatory myopathies (like Idiopathic Inflammatory Myopathies (IIM)) are consistently cited as very challenging due to vague, overlapping symptoms that mimic many other conditions, leading to delays in diagnosis, notes Liv Hospital, AMN Healthcare, and Johnson & Johnson. Vasculitis attacks blood vessels, Lupus mimics many diseases, and IIMs present with varied muscle/organ issues, making them "great imitators" requiring extensive detective work. 

How serious is a B12 deficiency?

A vitamin B12 deficiency can range from mild to very serious, potentially causing irreversible neurological damage, severe anemia, heart problems, infertility, and developmental issues in babies if left untreated; early detection and treatment with supplements or injections are crucial to prevent permanent harm, as symptoms often mimic other conditions but can become debilitating. 

What are the facial signs of B12 deficiency?

Cutaneous manifestations associated with vitamin B12 deficiency are skin hyperpigmentation, vitiligo, angular stomatitis, and hair changes. A diagnosis of vitamin B12 deficiency is often overlooked in its early stages because these signs are not specific to vitamin B12 deficiency alone.


What food is highest in B12?

The foods highest in Vitamin B12 are organ meats (like liver and kidney) and shellfish (especially clams), offering thousands of percent of the daily value in small servings, with fortified cereals, dairy, fish (salmon, tuna, sardines), and eggs also being excellent sources. For vegans, fortified foods like nutritional yeast and plant milks are key, as B12 is naturally found in animal products.
 

What deficiency causes you to feel off balance?

Feeling off-balance, dizzy, or unsteady (ataxia) can be caused by deficiencies in Vitamin B12, crucial for nerve function, and Vitamin D, important for nerve signals and muscle tone, with Iron deficiency (anemia) also a common culprit due to poor oxygen supply to the brain, alongside potential roles for magnesium. These deficiencies affect your nervous system, proprioception (body awareness), and circulation, leading to balance issues, numbness, fatigue, and cognitive problems. 

Can you take B12 with blood pressure pills?

Yes, taking vitamin B12 with most blood pressure medications is generally considered safe, as there are no known direct negative interactions with common anti-hypertensives, and it may even help stabilize blood pressure by addressing deficiencies, but you should always confirm with your doctor to rule out potential issues with your specific prescriptions or underlying health conditions. 


What medications should not be taken with vitamin D3?

Possible interactions include:
  • Aluminum. ...
  • Anticonvulsants. ...
  • Atorvastatin (Lipitor). ...
  • Calcipotriene (Dovonex, Sorilux). ...
  • Cholestyramine (Prevalite, Locholest). ...
  • Cytochrome P450 3A4 substrates, also called CYP3A4 substrates. ...
  • Digoxin (Lanoxin). ...
  • Diltiazem (Cardizem, Tiazac, others).


What supplements should you not take with amlodipine?

You should avoid St. John's Wort with amlodipine as it makes the drug less effective, and be cautious with supplements that affect potassium levels (like high-potassium salt substitutes) or enzyme function, such as Ginkgo biloba or Ginseng, as these could increase amlodipine levels and side effects, but always consult your doctor before taking any supplement with amlodipine to ensure safety. 

Who suffers most from B12 deficiency?

The groups most prone to vitamin B12 deficiency are older adults, individuals with gastrointestinal issues (like Crohn's, celiac, or stomach surgery), those on strict vegan/vegetarian diets, and people taking certain medications (like metformin, PPIs). Deficiency often stems from poor absorption due to age-related stomach changes or autoimmune conditions like pernicious anemia, or insufficient intake from a lack of animal products. 


What are the strange symptoms of vitamin B12 deficiency?

Unusual B12 deficiency symptoms go beyond fatigue and include neurological issues like balance problems, hallucinations, tremors, and psychosis; cognitive changes such as severe memory loss or confusion; vision disturbances; skin issues like hyperpigmentation or jaundice; reproductive problems like infertility; and even unexplained "sighs" or gasping for breath, affecting the nervous system, mind, and body in strange ways, often misdiagnosed due to their rarity. 

Can lack of B12 affect your eyes?

Vitamin B12 deficiency can significantly impact the eyes, primarily causing optic neuropathy, which damages the optic nerve, leading to gradual or sudden vision loss, blurred vision, washed-out colors, and visual field defects. It can also manifest as severe dry eyes, ocular pain, swollen optic discs, double vision (diplopia), and sometimes even pupil abnormalities, with many of these effects improving or resolving with timely B12 treatment.
 

What do you crave when your B12 is low?

B12 deficiency can cause specific food cravings, particularly for meat, fish, or eggs, as your body seeks sources of the vitamin, and may also lead to sugar cravings due to its role in serotonin and energy regulation, but it can also manifest as pica (craving non-food items like ice or even bleach in severe cases). These cravings signal your body trying to correct a nutrient imbalance, but clinical testing is needed for a proper diagnosis, as emotional factors also drive cravings. 


What are the symptoms of B12 deficiency in legs?

Symptoms may include:
  • Weak muscles.
  • Numb or tingling feeling in hands and feet.
  • Trouble walking.
  • Nausea.
  • Decreased appetite.
  • Weight loss.
  • Irritability.
  • Lack of energy or tiring easily (fatigue)


What is the fastest way to fix B12 deficiency?

The fastest way to recover from B12 deficiency, especially severe cases, is through B12 injections (cobalamin), often starting with frequent shots (e.g., every other day for a couple of weeks) to rapidly replenish stores, particularly if neurological symptoms are present, followed by oral supplements or less frequent injections, depending on the underlying cause. While dietary changes and high-dose oral supplements help, injections bypass absorption issues for quicker correction. 

What are the two main causes of B12 deficiency?

The following can cause low levels of vitamin B-12:
  • Pernicious anemia. With this condition, the body's immune system attacks cells in the stomach that make a substance called intrinsic factor. ...
  • Gastric surgeries. ...
  • Intestinal conditions. ...
  • Diet.


What cancers are associated with low B12?

Cancers affecting the gastrointestinal tract (stomach, colon, pancreas, esophagus) and blood cancers (leukemia, lymphoma) are commonly linked to B12 deficiency, primarily by disrupting absorption or production; tumors can block nutrient uptake, damage stomach lining (reducing intrinsic factor), or impair bone marrow function, making B12 deficiency a potential sign of underlying malignancy, though it has other causes too.
 

What medications affect the absorption of vitamin B12?

Common medicines affecting vitamin B12 absorption include Proton Pump Inhibitors (PPIs), H2-receptor antagonists (H2RAs), and the diabetes drug Metformin, all reducing stomach acid or altering gut function needed for B12 release and absorption, plus antiseizure drugs like phenytoin, anti-gout meds like colchicine, and some antibiotics. Chronic use can lead to deficiency, causing fatigue, nerve issues, or anemia, requiring monitoring by a doctor, says The Economic Times and the NHS. 

What are the mental symptoms of B12 deficiency?

Vitamin B12 deficiency can cause significant mental and psychiatric issues, including depression, anxiety, irritability, confusion, memory loss, and difficulty concentrating, ranging from mild to severe. More serious symptoms can involve psychosis, hallucinations, delusions, delirium, apathy, and even dementia-like states, affecting mood, cognition, and perception. These neuropsychiatric symptoms can sometimes appear before or without typical physical signs like anemia.