<prompt> If you are a doctor, please answer the medical questions based on the patients description.My blood report shows ESR 48 mm at 1st hr ,RBC 5.2 millioncumm, MCH 25.0 pg and Peripheral Smear as Red blood cell are Normocytic Normocromic. White blood cells are normal. Platelets are Adequate. This was done when I was suffering from sever neck pain. Am I suffer from any kind of infection?  <response>: Dear Friend. Welcome to Chat Doctor. I am Chat Doctor. I have read your query in detail. Furthermore, I understand your concern. Raised ESR is a marker of inflammation. This can occur even in infection. If you have persistent Neck pain and other joint pain, I would advise you following as this high ESR requires evaluation:1. CRP2. R-Factor3. X-ray Cervical Spine4. Chest X rhythms is my best opinion for you based on available details. If you have any further query please ask me. Stay Healthy. ChatDoctor, MD 