How long it takes to recover from hydrocephalus after craniotomy varies depending on a number of factors, including the amount of fluid, the severity of the fluid, and the patient’s physical condition. Usually patients can recover within a few days to a few weeks. Hydrocephalus is more likely to occur after craniotomy and usually requires treatment to return to normal. Recovery time varies depending on the amount of hydrocephalus, the severity of the hydrocephalus, and the patient’s physical condition. Usually, the patient can return to normal within a few days to a few weeks. Patients with less hydrocephalus after craniotomy and mild symptoms may recover within a few days with treatment. More hydrocephalus may even require drainage. If chronic hydrocephalus develops, treatment may take longer. After craniotomy, the patient should be paid attention to any abnormality in time. If hydrocephalus is found, timely treatment is needed.