22 yrs old female c/o headache for 6 month worse at early morn | sᴘᴏᴛ ᴅɪᴀɢɴᴏsɪs
22 yrs old female c/o headache for 6 month worse at early morning Hx otherwie unremarkable o/Ex BMI : 33 and papiloedema, Invx CSF opening pressure : 90 mmhg, MRI: clear what is the best next step of management :