G03: Meningitis due to other and unspecified causes
G03.1: Chronic meningitis
On the outside of the brain and spinal cord there are three thin meninges (linings). A tough meninx, the dura mater, is on the outside. Below that are two soft meninges.
If the meninges are inflamed, this can cause various symptoms. It is also possible to get a high fever and feel very sick. Severe headaches and a stiff neck are common. You may find it difficult to tolerate bright light and loud noises. Sometimes you may also feel nauseated and feel like you have to vomit. Seizures are also possible or you may lose consciousness.
Your meningitis has lasted for more than a month.
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