questions need ur help

i like to know all members of this fantastic forum
i have some questions
1-if achild has repeated pharyngitis low immunity can we give him imunuglobulins
2-if the milk of mother is not statisfied to the baby how can we calculate the additional milk amount and what's it's type
3-how to calculate iv fliuds in emergency cases to children
4-how we can calculate dose of insulin and iv fliuds in DKA
5-if aperson with pleural effusion and hypotenion hiw can we treat
6-i have twitches in eye lid adoctor siad to me it's want no treatment just only pyschic another wrote to me vit b complex another wrote to me minor tranqiulizer what u see