Signs | Deficiencies | |
Hair | Alopecia | Severe undernutrition, zinc deficiency |
Brittle | Biotin, severe undernutrition | |
Color change | Severe undernutrition | |
Dryness | Vitamins E and A | |
Easy pluckability | Severe undernutrition | |
Skin | Acneiform lesions | Vitamin A |
Follicular keratosis | Vitamin A | |
Xerosis (dry skin) | Vitamin A | |
Perioral and perianal bullous dermatitis (wet, flaming-red plaques) | Zinc | |
Ecchymosis | Vitamin C or K | |
Intradermal petechiae | Vitamin C or K | |
Erythema (especially where exposed to sunlight) | Niacin | |
Hyperpigmentation | Niacin | |
Seborrheic dermatitis (nose, eyebrows, eyes) | Vitamin B2, vitamin B6, niacin | |
Scrotal dermatitis | Niacin, vitamin B2, vitamin B6 | |
Eyes | Angular palpebritis | Vitamin B2 |
Corneal revascularization | Vitamin B2 | |
Bitot spots | Vitamin A | |
Conjunctival xerosis, keratomalacia | Vitamin A | |
Mouth | Angular stomatitis | Vitamin B2, vitamin B6, vitamin B12 |
Atrophic papillae | Niacin | |
Bleeding gums | Vitamin C | |
Cheilosis | Vitamin B2, vitamin B6 | |
Glossitis | Niacin, folate, vitamin B1, vitamin B2, vitamin B6, vitamin B12 | |
Magenta tongue | Vitamin B2 | |
Extremities | Genu valgum or varum, metaphyseal widening | Vitamin D |
Loss of deep tendon reflexes of the lower extremities | Vitamins B1 and B12 |
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