👉 Pachymeningitis is a type of meningitis that occurs in the brainstem and spinal cord. It can be caused by many different factors, including bacteria, viruses, fungi, or certain medications. The symptoms of pachymeningitis typically include fever, headache, neck stiffness, numbness, weakness, and pain around the area where the infection is present. Treatment for pachymeningitis includes antibiotics to kill the bacteria causing the infection, as well as pain management to reduce discomfort