Once hydrocephalus is diagnosed, the focus turns to treatment. The encouraging news is that hydrocephalus is treatable, and modern options are effective at relieving the dangerous buildup of CSF. This article maps the overall treatment landscape; later articles cover each option in detail.
Why treatment is needed Hydrocephalus generally requires treatment because the underlying imbalance in CSF won't resolve on its own, and ongoing buildup of pressure can affect the brain. Treatment aims to restore CSF balance — by either diverting excess fluid or creating a new pathway for it to drain — protecting the brain and relieving symptoms.
Is there a medication for hydrocephalus? For most people, no medication can cure hydrocephalus, because the problem is mechanical (a blockage or absorption issue). Medications are sometimes used as a temporary measure in specific situations (for example, to slow CSF production briefly), but the definitive treatments are surgical.
The two main treatments There are two primary surgical approaches:
- Shunt placement. A shunt is a thin tube with a valve that diverts excess CSF from the ventricles to another part of the body (most often the abdomen), where it's absorbed. The valve controls the flow. Shunts are the most common treatment and work for nearly all types of hydrocephalus.
- Endoscopic third ventriculostomy (ETV). This procedure creates a new opening in the floor of the third ventricle, allowing CSF to bypass a blockage and flow to where it's absorbed — without leaving an implant. It's especially suited to certain obstructive types. In infants, it's often combined with choroid plexus cauterization (ETV/CPC) to reduce fluid production.
Temporary drainage In urgent situations — such as after a serious bleed or infection, or when a definitive plan isn't yet possible — a temporary external ventricular drain (EVD) may be placed to relieve pressure quickly while the situation is stabilized.
How the right option is chosen The choice between a shunt and an ETV (and the specifics of each) depends on several factors:
- The type of hydrocephalus (obstructive vs communicating).
- The cause and the anatomy (for example, whether there's a discrete blockage to bypass).
- The person's age (ETV/CPC is often considered in infants; suitability varies with age).
- Individual circumstances and the surgeon's assessment.
Your neurosurgeon weighs these to recommend the approach most likely to help you, and will explain the reasoning.
What treatment achieves Effective treatment relieves symptoms, protects the brain from ongoing pressure, and allows normal activities to resume. For many people, it's highly successful. It's important to understand, though, that treatment manages hydrocephalus rather than permanently curing the underlying tendency — which is why ongoing follow-up and knowing the warning signs of treatment problems remain important parts of care (covered in later articles).
The bottom line Hydrocephalus treatment is well-established and effective. The two pillars are shunts and ETV (with EVD for emergencies), and the right choice is individualized. The articles that follow explain each option, what to expect, and how to live well afterward.