Suggest Treatment For Back Pain And Itching On Whole Body

i'm 41yrs styng in bangalore city.my hght is 5'9 wgt 99 kgs.since frm 15 yrs i hve bck pain fr wht i'm taking ayurvedic medicne.thrice in a week i get night discharge due to this prblm my bck ache increases.nw since frm 8 months i hve sevre itchng in full body especially hands nd legs.i'm applyng ramdev's product divya kayakalp tail.bfre whn i used to apply on tht perticular time i used to feel okay nd next day if i dnt apply it starts agn.bt nw tht also is nt wrkng on my body.plz suggest me wht shld i do.i'm a bachelor.