Bronchiolitis Treatment in Hospital: Oxygen, Feeding Support and How Long Babies Usually Stay

It is 2 a.m. and the baby in the cot beside you has a plastic prong under her nose, a soft red light glowing on her foot and a cough that sounds far too big for someone who weighs less than a bag of flour. A nurse has just written a number on the whiteboard. You have no idea whether it is a good number. Nobody has told you when you will be going home.

Almost every parent on a children’s ward in winter has sat in that chair. Bronchiolitis, an infection of the smallest airways in the lungs, is the single most common reason babies under one are admitted to hospital in cold months. What makes it unsettling is how little seems to be happening. No antibiotics, no inhaler, no dramatic intervention. Just oxygen, feeding help and patience.

This guide explains what bronchiolitis treatment in hospital actually involves, why the care is deliberately simple, what the numbers on the monitor mean and how long the stay usually lasts.

What bronchiolitis treatment in hospital actually involves

Bronchiolitis is a viral infection that inflames the bronchioles, the narrowest branches of the airways deep in the lungs. In a baby those tubes are already about the width of a drinking straw’s inner wall, so a little swelling and mucus makes a large difference to airflow. The virus is usually respiratory syncytial virus, known as RSV, although several other common cold viruses cause the same picture.

Hospital care rests on three tasks. The first is keeping oxygen in the blood at a safe level while the airways are narrowed. The second is keeping the baby hydrated and nourished when breathing fast makes feeding exhausting. The third is watching, because bronchiolitis follows a predictable curve and the team needs to know if a baby is drifting off it.

What you will see, practically, is a small sensor taped to a foot or hand measuring oxygen saturation, meaning the percentage of red blood cells carrying oxygen. You may see thin tubing under the nose delivering oxygen, sometimes warmed and humidified. You may see a fine feeding tube passing through one nostril to the stomach, or a cannula in a hand delivering fluid. Nurses will count breaths, look at how hard the chest and belly are working and check how many feeds are going down.

None of this treats the virus itself. The body does that, over days. The Mayo Clinic describes hospital care as supportive: oxygen, fluids and monitoring while the infection runs its course. That is not a lack of treatment. It is the treatment, and it works because it buys the baby time to recover on her own.

What is the main treatment for bronchiolitis, and why is there no medicine for it?

The main treatment for bronchiolitis is supportive care, and parents are often surprised that the medicine cabinet stays mostly shut. The reasons are worth understanding, because they explain almost everything that happens on the ward.

Antibiotics kill bacteria. Bronchiolitis is caused by viruses, so antibiotics have nothing to act on, and using them adds side effects without benefit. Doctors reserve them for the uncommon situation where a bacterial infection, such as pneumonia or a urinary infection, is found alongside.

Bronchodilators are the inhaled medicines that relax muscle around the airways in asthma. In bronchiolitis the problem is not tight muscle but swollen lining and plugs of mucus, so relaxing the muscle changes little. Large trials and both UK and US guidance found no consistent improvement in how sick babies were or how long they stayed, and these medicines are no longer recommended routinely.

Corticosteroids reduce inflammation elsewhere in the body, and it seems logical they should help swollen bronchioles. Repeated studies have not shown a meaningful benefit in infants, so they are not routine either. Nebulized salt water stronger than body fluids, called hypertonic saline, has been tested for thinning mucus; the evidence is mixed and most guidelines describe it as optional at best.

The honest summary from the NHS and the Mayo Clinic is that no antiviral or other drug shortens ordinary bronchiolitis. If a doctor does trial a medicine in an individual baby, that is a clinical decision for the treating team based on that child’s picture, not a sign that standard care has failed. The most powerful tools remain oxygen, fluid, gentle suction and time.

Who is usually admitted, and who is usually asked to manage at home

Most babies with bronchiolitis never need a hospital bed. The NHS notes that the illness is usually mild and clears within two to three weeks with rest and fluids at home. Admission is reserved for babies whose bodies are struggling to keep up.

Doctors typically admit when oxygen levels stay persistently low, when a baby is taking well under normal feed volumes over several feeds, when breathing is fast or laboured with the chest sucking in between the ribs, or when there have been pauses in breathing, called apneas. Babies under about two to three months, those born prematurely, and infants with heart disease, chronic lung disease, weakened immunity or neuromuscular conditions are watched with a lower threshold, because their reserve is smaller and deterioration can be quicker. The Cleveland Clinic lists these same high-risk groups.

The decision also depends on the day of illness. A baby seen on day two who is coping reasonably may still be sent home with clear return advice, because the team knows day three to five is usually worse and wants the family prepared rather than falsely reassured. A baby with identical symptoms on day six, past the expected peak, is more likely to be improving.

Being asked to wait at home is not dismissal. Emergency departments often observe babies for a few hours, check a full feed and repeat the oxygen reading before deciding. The parents who cope best with a discharge at this stage are the ones who leave knowing exactly which signs mean come back, which is why the red-flag section later in this article matters as much as any part of hospital care.

Bronchiolitis oxygen levels: what the monitor is measuring and why the number matters

The glowing sensor on your baby’s foot is a pulse oximeter. It shines light through the skin and calculates how much of the haemoglobin in passing blood is carrying oxygen. In a healthy child that oxygen saturation sits in the high 90s. When bronchioles are clogged, some parts of the lung stop moving air well, and the number drifts down.

National guidance in both the UK and the US sets a threshold below which persistently low saturation prompts supplemental oxygen. Short dips during coughing, feeding or deep sleep are expected and are not by themselves a reason to start or increase oxygen. What the team watches is the pattern over time and how hard the baby is working to breathe.

Oxygen itself is delivered in stages. The gentlest is low-flow oxygen through thin tubing with two small prongs at the nostrils. Many wards warm and humidify it, because dry gas irritates an already inflamed nose and thickens mucus. Nurses adjust the flow to hold saturation in the target range and no higher; too much oxygen has no advantage and makes it harder to see when the baby is genuinely improving.

Parents often fix on the number and feel every dip. Clinicians read it differently. A baby at the lower end of the target who is pink, settled and feeding is doing well. A baby with a reassuring number who is grunting and using her belly muscles to breathe is the one they worry about. Oxygen saturation is one line of evidence, sitting alongside breathing rate, effort, colour and behaviour, and the Mayo Clinic describes monitoring rather than any single reading as the core of hospital care.

High-flow and beyond: when breathing support needs to step up

A minority of babies need more than ordinary nasal oxygen. The next step on most wards is high-flow nasal oxygen: warmed, humidified air and oxygen delivered at a much higher rate through slightly larger prongs. The flow creates a small amount of pressure in the nose and throat that helps keep tiny airways open, washes out exhaled carbon dioxide from the upper airway and reduces the effort of each breath. Babies on high-flow often look visibly calmer within a short time, breathing slower and less frantically.

If that is not enough, the team may move to continuous positive airway pressure, or CPAP, a snugger mask or prongs delivering steady pressure that props the airways open throughout the breathing cycle. This is usually managed in a high-dependency area with closer nursing.

Very rarely, a baby tires so much that she cannot keep breathing adequately on her own, or has repeated apneas, and the team decides on mechanical ventilation. That means sedation, a breathing tube and intensive care. It sounds frightening, and it is a serious step, but for the small number who need it the machine simply does the work of breathing while the lungs recover, and the tube is removed as the infection settles.

The Cleveland Clinic and Mayo Clinic both describe these escalations as uncommon. Most admitted babies never progress past standard or high-flow oxygen. The point of close monitoring is that stepping up early, when a baby is tiring but not exhausted, is safer than waiting. The choice of level and timing rests with the treating team, who are weighing the whole picture at the bedside.

Bronchiolitis feeding tube and fluids: why feeding is the bigger worry

Ask an experienced children’s nurse what worries her most about a baby with bronchiolitis and she is as likely to say feeding as breathing. A baby breathing fifty or sixty times a minute through a blocked nose cannot easily suck, swallow and breathe in rhythm. Feeds get shorter, more effortful and more frequently abandoned. Dehydration follows quickly in a small body that loses extra fluid with every rapid breath.

The NHS advises seeking help when a baby is taking less than half the usual amount over the last two or three feeds or has not had a wet nappy for twelve hours or more. In hospital, once feeding falls that far, the team usually offers support rather than waiting for exhaustion.

The first option is often a nasogastric tube: a soft, very fine tube passed through one nostril, down the back of the throat and into the stomach. Placing it takes a minute and babies dislike the moment, but once in they largely ignore it. Expressed breast milk or formula is given through the tube in small, frequent volumes or as a slow continuous feed. The stomach still receives milk, the gut keeps working and the baby keeps calories without spending energy sucking.

When a baby is vomiting, breathing so hard that a full stomach would press on the lungs, or needs higher levels of breathing support, the team may instead use intravenous fluids through a cannula in a hand or foot. The Mayo Clinic lists both routes as standard hospital care. Neither is a setback. Feeding well enough by mouth is, in fact, one of the main milestones the team will use to decide when your baby is ready to go home.

What are the worst days of bronchiolitis?

Bronchiolitis has a shape, and knowing it takes some of the fear out of a bad night. The illness begins like an ordinary cold: runny nose, mild cough, perhaps a low fever. Over the next two or three days the infection moves down into the small airways and the cough deepens, breathing speeds up and feeding starts to slip.

The NHS describes symptoms as usually worst between the third and fifth day. That is when oxygen requirements are highest, when tube feeding is most often started and when most admissions happen. Parents who have been told this in advance describe the peak as hard but expected; those who have not describe it as terrifying, because their baby seems to be getting worse despite being in hospital and receiving care.

Getting worse during days three to five is the illness behaving normally, not the treatment failing. Oxygen and feeding support are there precisely to carry a baby over this hump. After the peak, the swelling begins to settle and breathing effort eases, often before the cough improves. The wet, rattly cough tends to linger; the NHS notes it can persist for around three weeks even as everything else recovers.

There is one important caveat. The curve is typical, not guaranteed. Premature babies and those with other conditions can peak later or more steeply, and a second virus can arrive on the heels of the first. That is why the team does not simply count days. They watch each baby’s breathing rate, effort, oxygen and feeding trend, and they will tell you when they believe the corner has been turned rather than promising a date.

How long does bronchiolitis last, and how long do babies usually stay in hospital?

These are two different questions, and blurring them causes a lot of anxiety on the ward.

The illness as a whole lasts longer than the hospital stay. The NHS puts the total course at around two to three weeks, with the cough sometimes outlasting everything else. Breathing effort and feeding, the two things that decide whether a baby needs a bed, usually improve within days of the peak.

The stay itself is typically short. The NHS states that most babies admitted with bronchiolitis are able to go home within a few days. Because the peak sits around days three to five, and because babies often arrive on day two or three, the arithmetic tends to work out at a stay of a few days for a typical case. Babies who need high-flow support, who were born early, or who are under a few months old often stay longer, because the team wants a comfortable margin before letting them go.

Discharge is not decided by the calendar. Most units look for a similar set of milestones: the baby breathes comfortably in room air, or on a stable low level of oxygen if home oxygen is planned; feeds by mouth well enough to stay hydrated, generally taking a good proportion of normal volumes; has had no significant breathing pauses; and has a parent who feels confident about warning signs and how to get help. Some hospitals will discharge a baby who is still coughing and still has a blocked nose, because those symptoms do not need hospital care.

A useful question to ask on any ward round is not “when can we go?” but “what does my baby need to be doing before we can go?”. The answer gives you something concrete to watch for.

Bronchiolitis treatment guidelines: what the care team does and does not routinely do

Major guidelines from the UK and the US agree remarkably closely on bronchiolitis, and their common thread is restraint. The table below summarises where mainstream guidance sits. It describes usual practice, not rules for your individual child; the treating team may reasonably depart from it based on what they see at the bedside.

Intervention	Usual guideline position	Why
Supplemental oxygen	Given when saturation stays persistently below the national threshold	Keeps tissues oxygenated while airways are narrowed
Feeding support (nasal tube or IV fluids)	Given when a baby cannot take enough by mouth	Prevents dehydration and exhaustion
Nasal suction	Gentle upper-airway suction before feeds if the nose is blocked	Babies breathe mainly through the nose
High-flow oxygen or CPAP	Used when standard oxygen is not enough	Reduces work of breathing
Antibiotics	Not routine; only for confirmed or strongly suspected bacterial infection	Viral illness
Bronchodilators (asthma-type inhalers)	Not recommended routinely	Trials show no consistent benefit
Corticosteroids	Not recommended	No meaningful benefit in infants
Chest physiotherapy	Not recommended	No benefit and can distress babies
Routine chest X-ray or blood tests	Not needed for typical cases	Diagnosis is clinical

Two points stand out. First, the interventions with the strongest support are the least dramatic: oxygen, fluid and suction. Second, several things that feel like they should help, including inhalers, steroids and physiotherapy, have been tested repeatedly and set aside. That is medicine working as it should.

The NHS and Mayo Clinic pages on bronchiolitis reflect this same picture for families. If your baby’s team departs from it, ask them why; there is often a good individual reason, and they should be happy to explain it.

Suctioning, positioning and comfort: what parents can do on the ward

Parents often feel useless in hospital, and they are anything but. Babies with bronchiolitis settle faster with a familiar voice and a familiar smell close by, and a calm baby breathes more efficiently than a distressed one. Holding, skin-to-skin contact when tubing allows, and simply being present are part of the care, not a distraction from it.

Nasal suction is one of the most useful and least glamorous parts of treatment. Babies breathe almost entirely through the nose in the first months, and a nose full of thick mucus can cause as much distress as the lungs themselves. Nurses use saline drops to loosen secretions and a soft suction catheter to clear the nostrils, usually just before a feed so the baby can suck and breathe. Many parents learn to do a gentler version with a bulb syringe for home. Deep suctioning down into the throat is not recommended routinely, because it can irritate tissue and does not improve outcomes.

Positioning matters too. Babies breathe most easily lying flat on their backs on a firm surface, with the head in a neutral position, exactly as for safe sleep. Propping a baby up in a car seat or bouncer can actually fold the airway and should be avoided for sleep. Nurses may briefly hold a baby more upright for feeds.

Keeping the room calm, avoiding unnecessary handling and clustering checks so the baby can sleep are all deliberate. Sleep is when the body does its repair work. If your baby is on oxygen, ask before lifting her so the tubing does not pull, and tell the nurse if the sensor light keeps falling off the foot; a loose probe reads falsely low and causes needless alarm.

What happens if bronchiolitis is left untreated?

The honest answer is that for most babies, bronchiolitis is never actively treated and it resolves anyway. The NHS estimates that the great majority of cases are mild enough to manage at home with fluids, comfort and watching. The body clears the virus over a couple of weeks whether or not anyone intervenes.

The danger lies in the minority who are quietly struggling. A baby whose oxygen sits low for days is tiring without anyone noticing; a baby taking a third of usual feeds is dehydrating. Untreated, that combination leads to exhaustion, where the breathing muscles simply cannot keep up, and to dehydration severe enough to affect circulation. Both are emergencies that hospital care is designed to prevent, not because there is a drug to give, but because oxygen and fluids stop a spiral before it starts.

Complications beyond the lungs are uncommon but real. Brief breathing pauses can occur, particularly in very young or premature infants. A secondary bacterial pneumonia can develop. The Cleveland Clinic notes that babies with heart or lung conditions face a higher risk of severe illness. Deaths from bronchiolitis in well-resourced health systems are rare, and they cluster in babies with underlying conditions or where care was delayed.

There is one longer-term point parents often ask about. Children who had severe bronchiolitis as infants are more likely to have episodes of wheezing in early childhood, and studies continue to examine whether the infection causes this or simply reveals children already prone to it. The evidence does not settle the question, and most children who wheeze after bronchiolitis grow out of it. It is a reason for awareness, not alarm.

Going home: what the following days and weeks usually look like

Leaving the ward can feel abrupt. Yesterday your baby was on oxygen; today a nurse is unhooking the monitor and handing you a leaflet. The reassurance is that discharge criteria are conservative: teams let babies go when they are confident the peak has passed, not when the illness is over.

Expect the cough to continue. The NHS describes it lasting up to around three weeks, and it can sound alarming, rattly and productive, well after your baby is feeding and sleeping normally. A blocked nose usually persists for a while too, so saline drops and gentle suction before feeds remain useful at home.

Feeding often recovers in a lopsided way. Babies take smaller feeds more often for a few days, then gradually lengthen them. Continue to offer feeds frequently and keep an eye on wet nappies as your simplest hydration check. Weight often dips slightly during the illness and recovers over the following week or two.

Sleep can be disrupted by coughing, and some babies are clingier than usual after a hospital stay. That is normal recovery behaviour and settles.

Some hospitals arrange a phone call or clinic review a day or two after discharge; others rely on your family doctor. Ask which applies to you and whom to call at night. A small number of babies, usually those who were premature or have other conditions, go home on a low flow of oxygen with equipment and community nursing support; if that is proposed, the team will train you fully before you leave.

Keep siblings’ colds away from the baby where you can, and keep the home smoke-free. A second respiratory virus arriving during recovery is the most common reason for a return visit.

What people often get wrong about bronchiolitis treatment in hospital

“They are not doing anything.” Oxygen, feeding support and monitoring are the treatment. Decades of trials have shown that adding medicines does not shorten the illness, so their absence reflects evidence, not neglect.

“My baby got worse in hospital, so the care isn’t working.” Bronchiolitis peaks around days three to five regardless of setting. Getting worse on schedule is the illness, and hospital care exists to carry a baby safely through that stretch.

“It is a chest infection, so antibiotics will help.” Bronchiolitis is viral. Antibiotics do not act on viruses, and giving them adds side effects and drives resistance. They are used only when a bacterial infection is found alongside.

“It is basically asthma, so an inhaler should work.” The airway narrowing in bronchiolitis comes from swelling and mucus, not muscle tightening. Inhalers that relax airway muscle have been tested many times in infants and do not reliably help.

“The feeding tube means my baby is very sick.” A nasal feeding tube is a routine, low-level intervention that simply saves the energy of sucking. Many babies on tube feeds are otherwise on minimal support.

“Once we are home, it is over.” The cough commonly lasts up to three weeks after discharge. Breathing and feeding are what decide the hospital stay, not the cough.

“Bronchiolitis and RSV are the same thing.” RSV is the most common cause, but other viruses produce identical illness, and RSV also causes ordinary colds in older children and adults. The CDC notes that nearly all children have caught RSV by their second birthday, most without needing any medical care.

“Propping the baby up helps breathing.” For sleep, flat on the back on a firm surface remains safest. Propping in seats or bouncers can kink a small airway.

Questions to ask your care team

Ward rounds move quickly and questions evaporate the moment the doctor leaves. Writing a few down helps, and none of these are silly.

• What day of the illness do you think my baby is on, and where do you expect the peak to be?
• What oxygen level are you aiming for, and what would make you increase or reduce support?
• How much of a normal feed is my baby taking now, and at what point would you start or stop tube feeding?
• Are there any signs you are watching for that would mean stepping up breathing support?
• Is there any reason to think my baby is at higher risk than average, such as prematurity or another condition?
• What exactly does my baby need to be doing before she can go home?
• Will anyone check on us after discharge, and whom do I call at night if I am worried?
• Can I hold my baby, and can I help with feeds and nose suction?
• Should I keep expressing breast milk, and can I feed directly if she manages?
• Are there any medicines being tried, and if so, what are you hoping to see and when would you stop?
• What should I tell the nursery or childminder about when my baby can return?

You are also entitled to ask for things to be explained again, or in plainer words. Clinical teams expect this. A parent who understands what the monitor means and what the discharge plan requires is, from the team’s point of view, part of the safety net.

One more thing worth asking about is prevention for the future. Long-acting antibody injections given to infants and a vaccine given during pregnancy are now available in some health systems to reduce severe RSV disease. Whether either is relevant to your family, and when, is a conversation for your child’s doctor rather than something to decide from an article.

When to call your doctor: red-flag signs in bronchiolitis

Whether your baby has just been discharged or is being watched at home, the same signs should prompt a call to your doctor or an out-of-hours service, and the same small set should send you straight to emergency care.

Contact your doctor promptly if your baby is taking less than half of usual feeds over the last two or three feeds, has had no wet nappy for twelve hours or more, has a temperature above 38°C, seems unusually tired or irritable, or is breathing faster or with more visible effort than earlier in the day. The NHS gives these as its thresholds for seeking advice, and they apply even if you were sent home yesterday.

Call emergency services or go to the nearest emergency department immediately if your baby has pauses in breathing, if the lips or tongue look blue or grey, if the skin between the ribs or at the base of the neck is sucking in sharply with each breath, if there is a grunting sound at the end of every breath, if your baby is too breathless to feed at all, or if she is floppy, very hard to wake or not responding to you normally.

Very young babies, under about three months, and babies who were born early or have heart or lung conditions can deteriorate quickly, so seek advice sooner rather than later in these groups.

Trust the feeling that something is wrong. Parents who bring a baby back who turns out to be fine are never wasting anyone’s time; that judgement call is exactly what emergency teams are there for. Every decision about admission, oxygen, feeding support and discharge belongs with the clinicians examining your child, and their reassessment is always available.

Frequently asked questions

What is the main treatment for bronchiolitis in hospital?

The main treatment is supportive care: supplemental oxygen when blood oxygen stays persistently low, feeding support through a fine nasal tube or intravenous fluids when a baby cannot take enough by mouth, gentle nasal suction and close monitoring of breathing. No medicine has been shown to clear the virus or shorten the illness, so guidelines in the UK and US both recommend against routine antibiotics, inhalers or steroids.

What are the worst days of bronchiolitis?

Days three to five of the illness are usually the worst, according to the NHS. Symptoms begin like a cold, then cough, fast breathing and feeding difficulty build over two or three days and peak in that window before easing. Most hospital admissions and oxygen or feeding support happen around the peak. The cough often lingers for up to three weeks even after breathing and feeding have recovered.

How long does bronchiolitis last in babies?

The whole illness usually lasts around two to three weeks, with the cough often the last symptom to settle. Breathing effort and feeding, which decide whether a baby needs hospital care, typically improve within days of the peak. The NHS notes most babies admitted to hospital are able to go home within a few days, although premature infants and those needing higher levels of support often stay longer.

What are the treatment guidelines for bronchiolitis?

Major UK and US guidelines agree on supportive care and restraint. They recommend oxygen when saturation stays below a set threshold, feeding support when intake falls, and nasal suction before feeds. They advise against routine antibiotics, bronchodilators, corticosteroids, chest physiotherapy and routine chest X-rays or blood tests, because trials have not shown benefit. Individual teams may reasonably depart from this based on a particular baby’s condition.

What happens if bronchiolitis is left untreated?

For most babies bronchiolitis resolves on its own with home care and no specific treatment. The risk lies in the minority who are quietly struggling: persistently low oxygen leads to exhaustion of the breathing muscles, and poor feeding leads to dehydration. Both can become emergencies. Breathing pauses and secondary bacterial pneumonia are uncommon complications. Hospital care exists to catch and prevent these spirals rather than to treat the virus itself.

What are normal bronchiolitis oxygen levels, and when is oxygen given?

Healthy babies have oxygen saturation in the high 90s percent. In bronchiolitis, oxygen is started when saturation stays persistently below a threshold set by national guidance, not for brief dips during coughing, feeding or sleep. Nurses aim to hold saturation within a target range rather than as high as possible, and they judge the number alongside breathing rate, effort, colour and behaviour rather than on its own.

Why does my baby need a bronchiolitis feeding tube?

A baby breathing fast through a blocked nose struggles to suck, swallow and breathe in rhythm, so feeds become short and exhausting and dehydration follows quickly. A nasogastric tube, a fine soft tube through the nostril to the stomach, delivers breast milk or formula without the effort of sucking. It is a routine, low-level intervention, not a sign of severe illness, and feeding well by mouth is a key milestone for going home.

Is RSV bronchiolitis in babies different from other bronchiolitis?

The illness looks and is treated the same whatever the virus. RSV, respiratory syncytial virus, is the most common cause, but several other cold viruses produce an identical picture. RSV testing does not change treatment in most cases, although some hospitals test to guide infection control on the ward. The CDC notes nearly all children have caught RSV by age two, most with nothing worse than a cold.

When can my baby go home from hospital with bronchiolitis?

Discharge depends on milestones rather than a set number of days. Teams generally look for comfortable breathing in room air or on a stable low oxygen level if home oxygen is planned, feeding by mouth well enough to stay hydrated, no significant breathing pauses, and a parent confident about warning signs and how to seek help. Babies often go home still coughing and with a blocked nose, since those do not need hospital care.

Can bronchiolitis be prevented?

Everyday measures reduce spread: frequent handwashing, keeping the baby away from people with colds, and a smoke-free home. Some health systems now offer a long-acting antibody injection for infants or a vaccine given during pregnancy to lower the risk of severe RSV disease. Whether either applies to your family is a decision for your child’s doctor based on age, risk factors and local programmes.

References

• NHS: Bronchiolitis
• Cleveland Clinic: Bronchiolitis
• MedlinePlus: Bronchiolitis
• CDC: About RSV

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.