16 May 2019 Sugar is the main source of energy for the body , especially the nervous system. When its level is too low, cerebral functions can be impaired. The risk of hypoglycaemia is higher in newborns in the following situations: Diabetic mother; Newborns that have undergone growth restriction in utero and are underweight for their gestational age; Premature newborns, especially with associated intrauterine growth restriction. Symptoms of low blood sugar The symptoms of hypoglycaemia may not be specific and are not always evident in newborns. The most common are: Tremors; Hypotonia (floppy baby syndrome); Difficulty feeding; Hypothermia; Apnoea (respiratory pause exceeding 20 seconds and bluish skin colour); Lethargy (non-reactive baby); Seizures. Diagnosis and treatment Low blood sugar can be diagnosed in several ways. The most common is a rapid test of a drop of blood obtained from a small prick in the baby's heel. The treatment of hypoglycaemia depends on its cause and includes rapid replacement of blood sugar in the diet. In severe cases it is necessary to administer glucose intravenously. This article was written with the support of physicians and other clinical professionals from the Hospital da Luz network. The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.
