Can Sjogren's cause B12 deficiency?
Sarah Smith
Published Jan 14, 2026
People with primary Sjögren's syndrome are six times more likely to be deficient in vitamin B12, a study found, supporting the need for screening and treating vitamin B12 deficiency in these patients.
What autoimmune disorders cause low B12?
Pernicious anemia is an autoimmune disease caused by vitamin B12 deficiency due to atrophic gastritis or loss of parietal cells or lack of intrinsic factor.
What diseases are related to B12 deficiency?
Either a lack of vitamin B-12 or a lack of folate causes a type of anemia called megaloblastic anemia (pernicious anemia). With these types of anemia, the red blood cells don't develop normally.
What vitamins should I take for Sjogren's?
Herbs and Supplements for Sjogren's syndrome
- Cysteine.
- Evening Primrose.
- Gamma-Linolenic Acid (GLA)
- Omega-6 Fatty Acids.
- Sulfur.
What is the most likely cause of a vitamin B12 deficiency?
Low levels of vitamin B-12 can be caused by: Diet. Vitamin B-12 is mainly found in meat, eggs and milk, so people who don't eat these types of foods may need to take B-12 supplements. Some foods have been fortified with B-12, including some breakfast cereals and some nutritional yeast products.
36 related questions foundWhat are the neurological symptoms of B12 deficiency?
A lack of vitamin B12 can cause neurological problems, which affect your nervous system, such as:
- vision problems.
- memory loss.
- pins and needles (paraesthesia)
- loss of physical co-ordination (ataxia), which can affect your whole body and cause difficulty speaking or walking.
What does low B12 feel like?
Constipation, diarrhea, loss of appetite, or gas. Nerve problems like numbness or tingling, muscle weakness, and problems walking. Vision loss. Mental problems like depression, memory loss, or behavioral changes.
Does B12 help Sjogren's?
People with primary Sjögren's syndrome are six times more likely to be deficient in vitamin B12, a study found, supporting the need for screening and treating vitamin B12 deficiency in these patients.
How do you stop Sjogren's progression?
Eat well and often. Eating an anti-inflammatory diet is one of the ways to reduce Sjogren's syndrome flares and provide adequate nutrition, thereby reducing fatigue. Ensure that your diet consists of food with high fiber, healthy fats, and spices such as garlic, ginger, and turmeric.
What should I avoid with Sjogren's syndrome?
Individuals who experience severe xerostomia tend to avoid crunchy foods such as raw vegetables, dry or tough foods such as meats and breads, and sticky foods such as peanut butter. Xerostomia can also affect dental health.
How long does it take to recover from B12 deficiency?
Once you begin treating your vitamin B12 deficiency, it can take up to six to 12 months to fully recover. It is also common to not experience any improvement during the first few months of treatment. If you can, it's a good idea to address what's causing the deficiency.
Is B12 deficiency a chronic illness?
While some B12 deficiencies are caused by diet, the most common reason for low B12 levels worldwide is an autoimmune disorder called pernicious anaemia. This is a chronic form of low B12 that can have serious consequences on health if left untreated long-term.
What autoimmune disease affects B12 absorption?
Pernicious anemia, one of the causes of vitamin B12 deficiency, is an autoimmune condition that prevents your body from absorbing vitamin B12. Left untreated, pernicious anemia can cause serious medical issues, including irreversible damage to your nervous system.
Can you have B12 deficiency without anemia?
The symptoms of vitamin B12 deficiency can develop slowly and worsen over time. Some symptoms may be experienced by people who have a vitamin B12 deficiency without anemia. Some people may experience no symptoms, despite low levels of vitamin B12.
What drugs make sjogrens worse?
Common medications that can cause sicca symptoms in any age group include antidepressants, anticholinergics, beta blockers, diuretics, and antihistamines. Anxiety can also lead to sicca symptoms. Women who use hormone replacement therapy may be at increased risk of dry eye syndrome.
What causes Sjogren's flare ups?
Autoimmune diseases such as Sjogren's syndrome are highly likely to be triggered by environmental factors such as pollution, infections, certain medications, diet, and allergy-causing agents. Make a note of potential environmental triggers, and try to steer clear of them as much as possible.
What does Sjogren's fatigue feel like?
Sjogren's Syndrome patients often complain of mental fatigue or “brain fog.” Brain fog impairs focus, causes fuzzy concentration, and contributes to difficulty in problem-solving.
Is dry mouth a symptom of B12 deficiency?
The deficiency of vitamin B12 finally resulted in high blood homocysteine level in BMS patients. Burning sensation, dry mouth, and numbness of the tongue were the three most common symptoms of BMS patients, and could be found in 100%, 75.7%, and 43.9% of BMS patients in this study, respectively.
Are there any new treatments for Sjogren's syndrome?
Several new, potentially disease-modifying drugs in the pipeline have renewed clinical optimism. St. Clair says existing treatment options include sialagogues such as pilocarpine and cevimeline that are approved by the US Food and Drug Administration for the treatment of glandular manifestations of Sjögren syndrome.
Can Sjogren's cause iron deficiency?
3.1 Blood system damage caused by Sjogren's syndrome
Zhou et al found that the percentage of pSS patients who had secondary anemia was 34.1% of which 69% were anemia in chronic disease (ACD), 18% were autoimmune hemolytic anemia (AIHA), 9% were iron-deficiency anemia and leukopenia were commonly antibody-mediated.
What level is considered low B12?
Values of less than 160 pg/mL (118 pmol/L) are a possible sign of a vitamin B12 deficiency. People with this deficiency are likely to have or develop symptoms. Older adults with a vitamin B12 level less than 100 pg/mL (74 pmol/L) may also have symptoms.
What medications should not be taken with B12?
Certain medications can decrease the absorption of vitamin B12, including: colchicine, metformin, extended-release potassium products, antibiotics (such as gentamicin, neomycin, tobramycin), anti-seizure medications (such as phenobarbital, phenytoin, primidone), medications to treat heartburn (such as H2 blockers ...
Are symptoms of vitamin B12 deficiency reversible?
A deficiency of vitamin B12 can cause neurological and psychiatric problems that “can progress if left untreated, and can lead to irreversible damage,” said Dr. Donald Hensrud, director of the Mayo Clinic's Healthy Living Program. Fortunately, it can be reversed fairly easily with vitamin pills or injections.
Can you have normal B12 levels and still be deficient?
However, a normal blood value cannot rule out a B12 deficiency, as has often been shown in scientific medical literature. Serum B12 can be false normal or even false high, while a deficiency is present.
Can B12 deficiency cause stomach problems?
Nausea, vomiting, and diarrhea
Vitamin B-12 deficiency can affect the digestive tract. A lack of red blood cells means that not enough oxygen reaches the gut. Insufficient oxygen here may lead to a person both feeling and being sick. It may also cause diarrhea.