My esr in cbp test is high,how can i normalise

Patient: Sir, iam suffering from spondylosys since 2 years. before 2 months i have seen some rashes on my body.then i consult a doctor and followed her medicine.after using the medicine rashes disappeared slowly ,but some new rashes appears on another place.same condition repeated for 2 times.finally doctor referred complete blood picture test,in that all values are normal except esr.esr values are 50 mm in 1st hour, 90 mm in 2nd there any serious problemin my body? if there is aproblem please suggest some diet to lower esr.

Symptoms: Itching on rashes and irritation when sweating