<prompt> Triad of biotin deficiency isDermatitis, glossitis, SteatorrheaDermatitis, glossitis, Alopecia 314-Basic 8thMental changes, diarrhoea, AlopeciaDermatitis, dementia, diarrhoea  <response>: Dermatitis, glossitis, Alopecia 407-H 314-Basic pathology 8thBiotin deficiency - clinical features -Adult Mental changes depression, hallucination, paresthesia, anorexia, nausea, A scaling, seborrheic and erythematous rash may occur around the eye, nose, mouth, as well as extremities 407-HInfant hypotonia, lethargy, apathy, alopecia and a characteristic rash that includes the ears.Symptoms of biotin deficiency includes - Anaemia, loss of apepite dermatitis, glossitis 150- U. Satyanarayan Symptoms of biotin deficiency - Dermatitis spectacle eyed appearance due to circumocular alopecia, pallor of skin membrane, depression, Lassitude, somnolence, anemia and hypercholesterolaemia - 173-Rana Shinde 6th 