Evidence for causal associations between prenatal and postnatal antibiotic exposure and asthma in children, England

Higher risks of asthma have been observed in children with prenatal exposure to antibiotics and during early life compared with those who have not. However, the causality of such associations is unclear.To assess whether exposure to antibiotics in early life had a causal effect in increasing the risk of asthma in children diagnosed at 5-8 years of life, and the impact in the target population.Data were from electronic health records and...