n South African Journal of Child Health - Neuroregression in an infant : a rare cause : case report




Neuroregression in infants has diverse aetiologies, and vitamin B deficiency is a rare one. Infantile vitamin B deficiency is usually secondary to maternal pernicious anaemia or maternal vegetarian diet. We report a 10-month-old infant with developmental regression secondary to vitamin B deficiency. Her mother was a strict vegetarian and the patient was exclusively breastfed. Clinical symptoms normalised after vitamin B supplementation.


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