The child knocked a large bag on the brain, you can use cold compresses to reduce swelling, if nausea, vomiting and other adverse reactions, you need to seek medical attention in a timely manner.
If the child’s brain knocked a bag, if the diameter is less than one centimeter, and there are no other adverse symptoms, you can generally use cold compresses within 72 hours to help effectively constrict blood vessels and achieve the effect of swelling and pain.
If it is a larger bag, the diameter of more than three centimeters, and also accompanied by vomiting, dizziness, headache and other adverse reactions, you need to go to the hospital in a timely manner for a cranial CT or MRI and other aspects of the examination.
If the child’s brain knocked a big bag, if the symptoms continue to be unrelieved, or accompanied by other symptoms, you should promptly go to the hospital, clear the cause to give targeted treatment.