I’ve deliberately linked to the original source journal article that is open access and full-text.
The title of my post is a copy and paste from the conclusion section of the journal article abstract here:
Conclusions – Antibiotics, acid suppressants and the combination of multiple medications in the first 2 years of life are associated with a diagnosis of childhood obesity. Microbiota-altering medications administered in early childhood may influence weight gain.
Citation: Stark CM, Susi A, Emerick J, et al Antibiotic and acid-suppression medications during early childhood are associated with obesity Gut Published Online First: 30 October 2018. doi: 10.1136/gutjnl-2017-314971