If your baby has red dots on their face, it’s advisable to first conduct blood tests and coagulation tests to rule out blood-related issues. It could be an allergic reaction. It’s recommended to give your baby more water, supplement with vitamin C and calcium gluconate, avoid spicy foods during breastfeeding, quit smoking and drinking, ensure good ventilation and air circulation in the room. Observe for a period of time, and further examination can be arranged if necessary.