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Introduction The genetic association of Coeliac Disease (CD) and Type 1 Diabetes Mellitus (T1DM) is well known. Although NICE does not include annual screening for CD in the T1DM guidance,1 children with T1DM are routinely screened for CD in England. The incidence of children with CD on gluten free diet (GFD) developing T1DM appears to be small.2 The value of screening for T1DM in CD patients is thus not known. Methods A 4-year retrospective review was conducted of a case series of children with known CD attending outpatient clinic across 4 centres. Patients were diagnosed as per ESPGHAN guidelines. In these centres HbA1c is tested as part of the CD annual review to detect impairment of glucose metabolism (> 41 mmol/mol). Abnormal HbA1c was documented in patients with CD. Results 345 children with CD who had HbA1c screening were identified. Children with T1DM diagnosed prior to developing CD were excluded from analysis. Six of the 345 patients (1.7%) were identified with an abnormal HbA1c. Only 2/6 were confirmed as having T1DM (1 within 4 months of diagnosis); 2/6 had subsequent glucose tolerance tests that were normal, 1 patient had Turner’s syndrome and was taking growth hormone, which has an impact on glucose metabolism, and 1 patient is undergoing further investigations for Type 2 Diabetes Mellitus (high BMI). Discussion The findings confirm the conclusion of previous studies that showed that a new diagnosis of T1DM in known CD children is uncommon. The annual screening for T1DM in children with CD who have developed impaired glucose tolerance is questionable. There is no standard screening test for T1DM, and HbA1c as a screening test for T1DM is also not routinely used. The exact mechanism for expressing coexisting autoantigens that generate both autoimmune conditions is poorly understood, and it is not clear whether the GFD in CD plays a role. Reference National Institute of Health and Care Excellence (NICE) (2020) ‘Management of children and young people with type 1 diabetes’. Available at: https://cks.nice.org.uk/topics/diabetes-type-1/management/management-children-young-people/ Ludvigsson JF, et al. ‘Celiac disease and the risk of subsequent type 1 diabetes’. Diabetes Care29:2483–2488, 2006

Feverish illness is one of the leading causes for a child to be seen by healthcare professionals, and is a major cause for hospital admissions. In 2007, the National Institute for Health and Care Excellence (NICE) published the original guidance on feverish illness in children (CG47). This was developed to aid healthcare professionals in their decision-making process while managing children aged