vitamin B2 deficiency

Vitamin B2 deficiency may cause cracked and red lips and cracks at the corners of the mouth, dry and scaling skin, and the eyes may also become bloodshot, itchy, watery, and sensitive to bright light.

维生素B2缺乏可能会引起嘴唇破裂和红肿，嘴角破裂，皮肤干涩以及眼睛充血，发痒，湿润和对光线过敏。

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lack of vitamin b2 will lead to the mouth, lips, skin, genital inflammation and dysfunction, known as riboflavin deficiency diseases.

维生素B2的欠缺会导致口腔、唇、皮肤、生殖器的炎症和机能障碍，称为核黄素缺乏病。

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