For how long oral steroids to be used in case of meningitis?

12 years male child presented with high fever and seizures. csf fluid for cytology

A 24 yr old male pt c/o headache ,fever and vomiting since 10 days. o/e vitals - stable. cns - no signs of meningitis. CSF analysis - cell count 100 . cell type - Lymphocytes. how to approach this case ?

A very young female aged 17 years presented with history of High grade Fever with chills (intermittently) since 7 days with sudden development of Altered Sensorium since 1 day....On asking attendants, history of Occasional Headache was revealed since 1 yr...Virtually no other comorbidity was present...At presentation, GCS was E1V1M1 and pt was unresponsive to any stimuli...No NR or KS was present and pupils were NSNR...Her MRI Brain was done...Comment on her grave condition and how shd she be treated

Pt was male 40 yrs who came with co headache vomiting irritablity Lp done csf report enclosed interpret finding

8yrs old male boy admitted on 3/9/18 with complaints of Fever,Headache and vomitting for one days,there is a Hx of hydrocephalus when he was 8mnth old,For which Ventriculo peritoneal shunt was done at the age of 8mnth.No neurological deficits present. O/e Conscious,Awake and oriented,Febrile 38.7°c.GCS - 15/15,Moving all four extremities,Pupils bilaterally 4mm RTL.vitally stable.Patient improving symptomatically. What could be the possible reason behind this headache and fever and what should be done??