The signs and symptoms of riboflavin deficiency are known collectively as

The signs and symptoms of riboflavin deficiency are known collectively as ariboflavinosis.

Ariboflavinosis usually occurs in combination with deficiencies of other water-soluble vitamins. Symptoms of this deficiency include a sore throat, redness and swelling of the lining of the mouth and throat, cheilosis, angular stomatitis, inflammation and redness of the tongue (magenta tongue) ...