Do I Have B12 Deficiency Quiz

There has been no noticeable new pallor or yellowish tone.

I occasionally look slightly paler when tired or unwell.

A pale or yellowish appearance has become noticeable or persistent.

The change is pronounced, rapidly developing, or accompanied by marked weakness or breathlessness.

A close relative has had pernicious anemia, but I have not been diagnosed with it.

I have no known personal or close family history relevant to pernicious anemia.

I have an autoimmune condition, such as autoimmune thyroid disease or type 1 diabetes, but no known pernicious anemia diagnosis.

A clinician has identified pernicious anemia, intrinsic-factor problems, or autoimmune B12 malabsorption in me.

A recent result was within the laboratory reference interval, with no newer concern raised.

I have not had B12 tested, and no clinician has previously raised a B12 concern.

I have previously had a borderline result or a low result that was treated and followed up.

I have a recent low B12 result or related abnormal blood finding that has not yet been assessed or followed up.

These sensations seem normal and consistent for me.

I have occasionally noticed a subtle difference that soon resolves.

Reduced or altered sensation recurs and affects confidence or coordination.

I cannot reliably feel where my feet are, detect temperature safely, or protect an area from injury.

I have persistent tongue soreness, marked redness, or mouth problems that significantly interfere with eating or swallowing.

I have had an occasional minor sore spot that clears quickly.

I have no unusual tongue soreness, redness, or recurring mouth ulcers.

A sore or unusually smooth-looking tongue, or recurring ulcers, has lasted or returned repeatedly.

I frequently lose track, feel mentally slowed, or make unusual mistakes.

My concentration and thinking feel typical for me.

I have sudden confusion, cannot follow familiar steps, or others are alarmed by a rapid change.

I occasionally lose focus when tired, stressed, or distracted but recover easily.

I have recently fallen, need support to walk, or developed rapidly worsening unsteadiness.

I feel steady in situations that I would normally manage.

I am occasionally cautious or slightly unsteady but can correct myself easily.

I regularly stumble, veer, or avoid uneven or dim areas because of my balance.

I have not noticed unexplained tingling or numbness.

I have had brief, occasional tingling after pressure or an awkward position.

Unexplained tingling or numbness returns, lasts, or affects more than one area.

Numbness is spreading, persistent, or accompanied by loss of function.

I have fainted, nearly fainted repeatedly, or cannot stand safely.

I do not experience unusual dizziness during ordinary movement.

I occasionally feel briefly light-headed, especially after standing quickly.

Light-headedness is frequent, prolonged, or disrupts what I am doing.

My energy has generally matched my activities and sleep.

I have occasionally felt more tired than expected, but it passes with rest.

Tiredness often makes work, study, exercise, or household tasks harder.

Tiredness is new or worsening and regularly prevents basic daily activities.

I have had major stomach or weight-loss surgery, removal or disease of the end of the small intestine, or another condition known to substantially impair absorption.

I have no known digestive condition or surgery likely to affect nutrient absorption.

I have had temporary digestive problems that resolved without an ongoing diagnosis.

I have a persistent digestive condition, such as coeliac disease or inflammatory bowel disease, that may affect absorption.

I regularly consume B12-containing animal foods, fortified foods, or a reliable B12 supplement.

My intake has become less varied recently, but I still have some reliable B12 sources.

I eat mostly plant-based foods and use fortified products or B12 supplements inconsistently.

I have followed a fully vegan or similarly restricted diet for an extended period without a reliable B12 source.

I notice mild weakness occasionally, without a clear effect on my activities.

My strength feels typical for me.

Weakness repeatedly makes familiar tasks harder or requires extra support.

Weakness is sudden, rapidly worsening, one-sided, or prevents me from standing or moving safely.

I sometimes notice mild breathlessness only with harder-than-usual effort.

I become unusually breathless or feel my heart racing during ordinary activity.

I develop severe breathlessness, breathlessness at rest, or chest pain.

My breathing and heartbeat feel typical for that level of activity.

I do not use either medicine on a sustained basis.

I have used one of them briefly or intermittently.

I have taken metformin or an acid-suppressing medicine regularly for about a year or longer.

I have used one for several years or have regularly used both over an extended period.