hi ,my 4 months old baby using multivitamin and minerals syrup 0.5 ml drops daily,vitamin D3drops also given what is difference between calciquik drops 800IU and 400IU

A. It is just a double the power of the medicine that is there like 400 are you and when you go for 800 800 is dubbed just a double of 400 that is about how we give 250 MG medicine and 500 MG of medication of the same thing it is the same just double the dosage