Antibiotic use in babies linked to allergies, asthma and other conditions, study finds
Babies who receive 1 dose of antibiotics more likely to have asthma, eczema, hay fever, food allergies, celiac disease, problems with weight & obesity later in childhood.
Multiple antibiotic treatment is associated with a child having multiple conditions

https://www.cnn.com/2020/11/16/health/baby-antibiotics-linked-to-illness-wellness/index.html