My brother who is 5.5 years old suffered through a reaction of an injection called Infenrix Hexa at the age of 6.5 months which was given for the immunization purpose as it has 6 in 1 thing and we thought it easy and helping neither of getting that long course of immunization! But the injection reacted! His temperature rose, he became drowsy, became weak and thin, could not pick his head up and went to coma! This was breadth taking! We rushed to hospital! Doctors when made a CT scan if his brain they saw water all over! Then at an immediate call a delegation consisting of 7 eminent doctors: 3 neuro surgeons, 2 phisiologists 2 child specialists decided to operate his head and inject a bulb that has a long pipe called SHUNT in his head that functions to drain water from head to stomach! It was life saving and he recovered! Now he is of 5.5 years and is very normal but according to MY obsevation he suffers difficultyat sighing things placed above his height/size! Other than this he us very good at colour recongnition and other arts of colour! But sometimes; you can say usually when he gets up at morning he is dehydrated and then vomits and loses weight and then ultimately faces difficulty in walk! We take measures and as not knowing the treatment we thinking it happens because we make him feel more warm we undress him and guves him juices and liquids and he gets better! But this has become a usual thing now! Why us this i really wanna know! As a sister i am really concerned and just have a single brother :( ! Now a days because of his tooth ache he has a high temperature and shivers and feels more cold and cries and doesn t walks ! I want to know uf you could help please answer me if you have any sense if this? Please?