Dr. P. R. Krishnan Neurologist,Neurologist32 years of experienceMBBS,MD - General Medicine,DM - Neurology,DNB - Neurology,MD - Internal Medicine Write a Review Enquire Now Consult Dr. P. R. KrishnanOverviewReviewsMedical Q&ABlogsFAQ No Medical Q&A Answered by Dr. P. R. Krishnan