Hair

Lustreless, thin, sparse, hair shafts. Easily pluckable, changes in shaft pigmentation

Energy, protein

Face

Redness and scaling of nasolabial folds
Diffuse depigmentation

Riboflavin
Energy, protein

Eyes

Pale conjunctiva
Poor dark adaptation, conjunctival xerosis, papilloedema
Angular palpebritis
Intraocular haemorrhage

Iron
Retinol

Riboflavin, niacin
Ascorbic acid

Lips

Bilateral angular stomatitis
Cheilosis

Riboflavin
Niacin and/or riboflavin

Tongue

Raw tongue
Magenta tongue
Glossitis

Niacin
Riboflavin
Folic acid, niacin, riboflavin, cobalamin, iron

Gums

Pale
Spongy, bleeding

Iron
Ascorbic acid

Skin

Purpura
Hyperpigmentation

Yellow discoloration
Desquamatory dermatitis

Follicular hyperkeratosis, xerosis, mosaic dermatosis
Petechial haemorrhages
Thickening/pigmentation of pressure points and areas exposed to sunlight
Scrotal and vulval dermatosis

Vitamin K
Energy, cobalamin, folic acid, niacin
Carotenoids
Biotin, essential fatty acids, zinc, pyridoxine
Retinol and/or essential fatty acids
Ascorbic acid
Niacin

Riboflavin

Nails

Koilonychia

Iron

Musculoskeletal system

Wasting
Craniotabes, frontal bossing, knock knees, beading of ribs, bow legs, bone pain
Musculoskeletal haemorrhage

Energy, protein
Vitamin D

Ascorbic acid

Cardiac system

cardiomegaly, tachycardia

Thiamine

Nervous system

Mental confusion
Bilateral loss of ankle and knee jerks

Thiamine, protein
Thiamine, cobalamin

Gastrointestinal system

Hepatomegaly

Protein