The phrase "drink formula" refers to a specific recipe or mixture that is used to make a type of beverage, like a particular kind of soda or energy drink. Full definition
As baby drinks formula or breastmilk, some leaks out of its mouth and rolls down the chin and collects in their neck area, including those rolls. (babygaga.com)
Most of the babies who drink formula milk or pumped breast milk from bottles suffer from colic (gas) due to ingestion of air bubbles in the bottle. (electricbreastpumpwomen.com)
On the other hand, infants who are drinking formula milk often suffer from constipation. (newkidscenter.com)