How does 4 month baby get angry to do

Baby due to physical reasons, it is easier to show fire, four months of baby fire is mainly manifested as more irritable, crying noisy, not easy to sleep at night or wake up easily after sleep, dry mouth, flushed face, red urine, poor appetite and other symptoms. For the baby to show symptoms of getting angry, should let him drink more water, can not eat more hot things, especially if breast-feeding, mothers do not eat fried, spicy food, should drink more water, can eat a little cool Chinese medicine, such as honeysuckle, licorice, etc., to go to the fire has a very good help.