<qa>  What is the amount of sulphadoxine?Doses of sulphadoxine 25 mgkg-pyrimethamine 1.25 mgkg SP or placebo will be given by a health assistant according to bodyweight a quarter of a tablet for those 5kg, a half for those 5-10 kg, and a whole tablet for children 10 kg. The tablets will be crashed and diluted with water for their administration. 