A swollen and sore tongue is a possible sign of the riboflavin deficiency condition known as .

The condition you're referring to is known as Ariboflavinosis. This condition is caused by a deficiency in riboflavin (vitamin B2) and can result in symptoms such as a swollen, sore tongue, skin cracking (including cracked corners of the mouth), and sore throat. Other symptoms can include anemia, seborrheic dermatitis, or an inflamed mucous membrane. It's important to consume a balanced diet to prevent such deficiencies. Foods rich in riboflavin include eggs, organ meats, lean meats, milk, green vegetables, and fortified grains and cereals.

The condition you're referring to is known as Ariboflavinosis. This condition is caused by a deficiency in riboflavin (vitamin B2) and can result in symptoms such as a swollen, sore tongue, skin cracking (including cracked corners of the mouth), and sore throat. Other symptoms can include anemia, seborrheic dermatitis, or an inflamed mucous membrane. It's important to consume adequate amounts of riboflavin, which can be found in foods like eggs, organ meats, lean meats, milk, and green vegetables. If you're experiencing these symptoms, it's important to seek medical advice.