Girls, good night everyone. Such a question, the baby is almost 5 week...

Girls, good night everyone. Such a question, the baby is almost 5 weeks old, changed the formula, but I can't understand if it suits him or not. He goes to the toilet as usual, yellow stool, by himself. On another formula, they helped with candles. But the baby became red, spots, pimples and so on, there is no redness, just a red face and body. And he also started crying a lot. On another formula, he also cried when he woke up, but still didn't go to the toilet. They decided to change it, he goes to the toilet by himself but red all over and still cries. Here's how he wakes up, tears non-stop. Does this