What not to do when you have a shunt?

Do not press, pump, twist, or try to adjust your shunt, disturb a healing cut, expose the device to a hard blow or long pressure, or ignore signs of infection or failure. Check your device rules before magnetic resonance imaging or going near a strong magnet. Get urgent medical help for severe or worsening symptoms. Don’t try to fix the problem at home.

A cerebral shunt moves cerebrospinal fluid away from the brain’s ventricular system. The fluid usually flows through a tube into another body space, often the abdomen. A valve controls the flow. Since the system sits under the skin, normal movement may make the tubing or valve easy to feel. That doesn’t mean you should test or move it.

Why should you avoid touching or testing the shunt?

Don’t keep feeling along the tubing, pushing the valve, or pumping a reservoir unless your neurosurgery team has given you exact instructions. A shunt is an implanted medical device. It isn’t a control for the patient to test.

Modern systems may use a fixed valve or a programmable valve. Some also have parts that help limit excess drainage when the body changes position. Pressing the device can’t tell you whether cerebrospinal fluid is flowing at the right rate. It may also bother sore skin or a healing wound.

Don’t try to adjust a programmable valve with a household magnet or any other object. Valve settings need the right clinical equipment and a trained professional. If you think a setting has changed, call the team that manages the shunt.

A useful rule is simple: know where the valve is, but leave it alone. Teach children and carers this rule too. If a child keeps touching the area because it hurts or feels odd, take that behaviour seriously and seek medical advice.

What can harm the incision while it heals?

Don’t scratch, pick, rub, or remove glue, strips, staples, or dressings before the surgical team says they can come off. Don’t put creams, powders, oils, or antiseptic products on the wound unless they were prescribed. These products can bother the skin, trap moisture, or hide a change in the cut.

Follow your discharge instructions for bathing and washing your hair. Avoid soaking the wound in a bath, spa, or pool until the team confirms it has sealed. Keep dirty hands away. Wash your hands before doing any wound care.

Look at the skin each day without handling it. Check for spreading redness, swelling, warmth, leaking fluid, pus, an opening in the wound, or increasing pain. Fever or feeling very unwell may also point to infection. Infection is a known shunt complication and may need hospital treatment or surgery.

Don’t wait until the wound looks severe before calling. Even a small leak or new soft swelling along the shunt path needs quick advice. Take a clear photo if the clinic asks, but don’t delay care while trying to record every change.

Which types of pressure and impact should you avoid?

Avoid direct blows to the head, neck, chest, or abdomen where the shunt runs. Don’t wear a helmet, strap, headband, pack, or piece of gear that presses hard on the valve or tubing. Long pressure can hurt and may damage the skin over an implanted part.

The evidence doesn’t show that walking causes most shunt failures. Reported mechanical problems include disconnection, migration, blockage, and poor catheter position. That study found many complications, but it didn’t prove that routine exercise or household activity caused them.

This difference matters. Don’t assume all movement is unsafe. Broad lifelong bans can reduce strength, fitness, confidence, and social contact without clear proof. A safer plan is to avoid direct impact and ask about activities involving collisions, falls, deep water, pressure changes, or tight gear.

Before going back to sport after surgery, ask the neurosurgery team when the wound and tissue healing enough. Name the exact activity. A clear question such as, “Can I return to martial arts with this valve position?” is more helpful than asking whether exercise is allowed.

If a blow happens, don’t decide you’re safe just because the shunt feels intact. Get urgent care after a major head injury, loss of consciousness, a seizure, repeated vomiting, growing confusion, or a fast-rising headache.

Why must magnets and MRI rules be checked first?

Don’t enter a magnetic resonance imaging scanner until staff know you have a shunt and have found its make and model. MRI may be possible, but device rules differ. A programmable valve may need its setting checked after the scan because magnetic exposure can affect some systems.

Tell the imaging service about the shunt when you book the appointment. Bring the implant card or device details if you have them. Ask if the valve setting needs to be recorded before the scan and checked afterwards.

Don’t hold a strong magnet over the valve. This includes magnets in some toys, tools, therapy products, headphones, speakers, and specialist equipment. Risk depends on magnetic strength, distance, and device design. The supplied research doesn’t support one safe-distance rule for every shunt, so follow the manufacturer’s advice for your model.

Don’t ban ordinary electronics without a device-specific reason. Keep the valve details in your phone and wallet. That small step gives imaging staff and emergency clinicians better facts than simply saying you have a “brain shunt.”

Which warning signs should never be ignored?

Don’t ignore a new, severe, or worsening headache, repeated vomiting, unusual sleepiness, confusion, loss of balance, vision changes, seizure, or a clear drop in usual function. In a baby, signs may include poor feeding, strong irritability, unusual sleepiness, vomiting, or a tense or raised soft spot. Call the treating team or emergency service based on how urgent it is.

Symptoms differ between people and types of failure. A blockage can stop fluid from draining. Too much drainage can also cause symptoms. Other problems include separated or moved tubing, infection, changes within the ventricular system, and abdominal problems in ventriculoperitoneal shunts.

Don’t rely on headache alone. The first sign may be slower thinking, changed behaviour, loss of a skill, poor balance, or lower alertness. Cognitive problems can also make pain harder to describe. A carer may notice slow answers, sleep at an odd time, or trouble with a task the person managed the day before.

One useful point many guides miss is knowing the person’s own failure pattern. Past symptoms may not appear the same way next time, but they can help clinicians. Keep a short record of earlier shunt problems, the symptoms seen, the hospital that treated them, and the valve setting recorded after care.

Don’t wait for every past symptom to return. Reviews warn that shunt failure can appear in different ways, and waiting for one classic sign may delay care.

What should you avoid doing when symptoms start?

Don’t pump the valve, rub the tubing, take extra medicine to hide worsening symptoms, or change a prescribed dose without advice. Don’t drive yourself if you’re confused, very sleepy, having vision changes, or in severe pain.

Don’t assume vomiting is a stomach bug or a headache is dehydration when symptoms are strong, repeated, unusual, or paired with a change in awareness. Call emergency services for collapse, seizure, severe confusion, loss of consciousness, breathing trouble, or a rapid decline. Severe symptoms need emergency care.

For a milder but new change, call the neurosurgery or neurology team promptly. Tell them when symptoms started, whether they’re getting worse, whether there’s a fever, and whether there was a fall, illness, MRI, wound change, or strong-magnet exposure.

Clinicians may use an exam and imaging to check the brain, ventricular system, valve, tubing, and drainage site. Blockage, fracture, migration, infection, or changed function can need surgical review or revision. Home checks can’t rule out these problems.

Should everyday life be restricted after recovery?

Don’t add extra restrictions based on fear alone. Research explains failure causes much better than it tests specific sports, travel, household devices, or daily tasks. So firm rules for those activities should come from the device maker and treating team, not a general online list.

Once the wound has healed and the clinical team agrees, many normal tasks may be fine. The exact plan should match the person’s health, reason for the shunt, valve type, shunt route, recent surgery, balance, seizure risk, and activity. Consult fitness guidance for shunt management to tailor your recovery safely.

Don’t travel without basic shunt details. Carry the device model, valve setting if programmable, treating hospital details, medicine list, and a short record of past failures. Before remote or overseas travel, find out where urgent neurosurgery care is available. This is planning for a rare but serious event, not proof that travel causes failure.

Don’t let dehydration, illness, or a broken routine stop you from watching symptoms closely. These events can cause common problems such as headache or vomiting, which may look like shunt trouble. If symptoms are severe, worsening, or unlike the person’s usual pattern, get medical care.

What mistakes do carers often make?

The first mistake is waiting for the person to describe a perfect set of symptoms. Young children and people with communication or thinking problems may show a change through their behaviour. Write down what changed and when.

The next mistake is checking the device so often that the skin gets sore. Watch, don’t press. Compare behaviour, alertness, movement, eating, and comfort with the person’s normal state.

Another mistake is letting every clinician assume someone else has the device details. Show the implant card during emergency care, dental or medical planning, and imaging. Say that the valve may be programmable.

Use a written action plan. It should list the routine contact, after-hours contact, nearest emergency department with neurosurgery support, and symptoms that need an ambulance. Keep a copy with the person’s medicines.

How can you reduce avoidable risk?

Protect the healing wound, avoid direct impact, follow the exact magnet and MRI rules, and keep follow-up appointments. These steps cover risks a patient can reasonably control. They can’t prevent every failure because shunts may block, become infected, disconnect, move, or drain poorly.

Keep device details current after any operation or valve adjustment. Ask for the new setting in writing. Replace a lost implant card. Tell close family, school staff, coaches, or support workers which symptoms need action without sharing more health information than needed.

Make a personal plan before returning to contact sport, diving, high-fall-risk exercise, or work near powerful magnets. Ask why each restriction is needed and whether it’s temporary. This stops a short post-surgery limit from becoming a needless lifelong rule.

Your single action today is to save your shunt model, valve setting, neurosurgery contact, and urgent warning signs in one place, then follow that plan instead of touching the device or waiting out worsening symptoms.

Common questions

What can people with shunts not do?

Most people with shunts can do normal activities, but they should avoid hard hits to the head and pressure over the shunt. Ask your doctor before contact sports, deep diving, or any activity that may damage it.

How many years do shunts last?

A shunt may last for many years, but there is no set time. Some last a lifetime, while others need to be fixed or replaced sooner.

What are the two most common shunt complications?

The two most common problems are blockage and infection. Get medical help quickly for severe headache, vomiting, fever, unusual sleepiness, or swelling near the shunt.

How to sleep with a brain shunt?

Sleep in any position that feels comfortable, unless your doctor gives different advice. After surgery, avoid lying on the wound or pressing on the shunt until it heals.

About the author

Armstrong Lazenby

BSc (Human Nutrition) registered nutritionist. Bachelor of Science (Exercise Science major) Master of Sports Medicine.

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