 [ Symptoms ] i have a very itchy rash behind my knee it started as a cluster of little bites what is it and how do i treat it [ Disease ] hisuch headaches can occur due to some intra cranial pathologies especially in the pesterior cranial fossa it can also affect the ear functions at your age such symptoms are not expected and i suggest you should get a ct scan of brain done straight away take analgesic tablets to get temporary relief though thanks