How to reduce ESR on blood

my son having high ESR of 53/hr, his age is nearing 8 yrs, six month back he got sick and that time ESR is 34/hr. now he is very much tired
how can I start treatment for a permanant cure . any natural medicine ,food habits.

ESR (erythrocyte sedimentation rate) levels are very complicated and not well understood by medical science but 53/hr is very high. If by "natural medicine" you are trying to treat the child yourself, that would be taking an enormous risk. Follow the advice of the medical professional that's treating him.

its reduse for an ayurvedic medicines

The medicine called as SAZO or SAZ can be takens twice a day, but only after the suggestion of Doctor