Vitamin B12 Deficiency

Cracks at the corners of the mouth can be small, but they can feel surprisingly painful. They may sting when you talk, burn when you eat acidic foods, split open when you smile, or keep returning after they seem to heal. Many people assume it is just dry lips, but persistent cracking at the mouth … Read more

Dry mouth can feel minor at first, but it can quickly become uncomfortable. Your mouth may feel sticky, rough, or cottony. You may need water to swallow food. Your tongue may feel dry, sore, or sensitive. Some people also notice bad breath, taste changes, cracked lips, mouth burning, or more dental problems than usual. One … Read more

Taste changes can be frustrating because they affect something you notice every day: eating, drinking, brushing your teeth, and even swallowing saliva. Some people describe a metallic taste. Others notice a bitter, salty, sour, rancid, or “off” taste that does not match what they are eating. Some feel that food tastes weaker than before, while … Read more

Mouth ulcers can be painful, annoying, and hard to ignore. They may sting when you eat, burn when you drink something acidic, or make brushing your teeth uncomfortable. If they keep coming back, it is natural to wonder whether a vitamin deficiency could be involved. One possible factor is low vitamin B12. Vitamin B12 deficiency … Read more

A burning tongue can feel strange, uncomfortable, and hard to explain. Some people describe it as scalding, tingling, stinging, soreness, rawness, or a hot feeling on the tongue even when they have not eaten anything spicy or burned their mouth. One possible cause is low vitamin B12. Vitamin B12 deficiency can affect the mouth, tongue, … Read more