Pneumonia Treatment in Older Adults and People With Heart Disease: What Changes

The call came on a Tuesday evening. Her father, 78, living with heart failure for the better part of a decade, had stopped eating and could not remember which day it was. No fever. No dramatic cough. Just a quiet, unsettling drift away from himself. In the emergency department, the chest X-ray told the story the thermometer had not: pneumonia, in the lower lobe of the right lung.

Families often ask the same question in that moment: is pneumonia treatment in older adults really different from what a 40-year-old would receive? The honest answer is yes and no. The antibiotics, oxygen and fluids are familiar. What changes is the margin for error. An aging immune system, a heart already working near its limit, and a long medication list all shift the calculation about where care happens, how closely the heart is watched, and how long recovery takes.

This explainer walks through those differences, grounded in guideline-level evidence rather than reassurance or alarm.

Why age and heart disease change the pneumonia playbook

Pneumonia is an infection that inflames the air sacs in one or both lungs, filling them with fluid or pus so oxygen struggles to cross into the blood. For a healthy adult, that is a serious but usually survivable illness. For someone past 65, or living with coronary artery disease or heart failure, the same infection lands on a body with less reserve. Mayo Clinic lists adults older than 65 and people with heart disease among those at highest risk of complications.

Three things explain the difference. First, immune responses blunt with age, so the body mounts a weaker and slower defence, and the warning signs that doctors rely on, such as fever, can be muted. Second, pneumonia raises the heart’s workload. Fever and infection speed up the pulse, low oxygen forces the heart to pump harder to deliver what little is available, and the inflammatory chemicals released during infection can destabilise cholesterol plaques in coronary arteries. Third, older adults frequently take several medicines, which means antibiotic choices must be checked against blood thinners, rhythm drugs and diuretics.

None of this means pneumonia in later life is untreatable; most older adults do recover with timely care. It does mean the treating team works with narrower margins. A dip in oxygen that a younger person tolerates for hours may tip an older heart into failure within the same window. The practical result is a lower threshold for hospital admission, more frequent monitoring, and a recovery plan that assumes weeks rather than days.

Understanding why the playbook changes helps families recognise that the extra caution is not overreaction; it reflects what the evidence shows about how these bodies respond.

How pneumonia treatment in older adults actually works

Treatment starts with confirming the diagnosis. Clinicians listen to the chest, check oxygen saturation (the percentage of red blood cells carrying oxygen, measured by a fingertip sensor), and usually order a chest X-ray. Blood tests look for signs of infection and check kidney function, which matters because many antibiotics are cleared by the kidneys and older kidneys clear them more slowly. In hospital, sputum or blood cultures may be sent to identify the organism, according to Mayo Clinic’s description of diagnosis.

The next decision is about severity. Doctors use structured scoring tools that weigh age, confusion, breathing rate, blood pressure and oxygen levels. Age itself counts as a risk factor in these scores, which is one reason older adults are admitted more readily.

Treatment then runs along four tracks at once. Antibiotics target the bacteria most likely responsible, with the choice refined once culture results return. Oxygen is given when saturation falls below the range the team considers safe for that individual. Fluids are replaced if the person is dehydrated, but cautiously in heart failure. Supportive care covers fever control, nutrition, help with coughing and clearing mucus, and getting out of bed as soon as it is safe, because lying flat for days invites further lung problems and muscle loss.

Viral pneumonia, including influenza and COVID-19, is managed differently: antibiotics do not act on viruses, so antiviral medicines may be used where appropriate, and the rest of the care is supportive. The treating team decides which category applies and adjusts as results arrive. What the family sees, a drip, an oxygen tube and frequent observations, is the visible surface of a plan that is being recalculated several times a day.

Why pneumonia often looks different after 65

The textbook picture of pneumonia is a high fever, a chest-rattling cough and sharp pain on breathing in. Older adults frequently present with none of these. The NHS notes that symptoms can develop quickly or slowly and that older people may show confusion, loss of appetite or unsteadiness as early signs rather than classic chest symptoms. A muted fever response is part of normal aging physiology; the hypothalamus, the brain’s thermostat, becomes less reactive.

This is not a checklist for diagnosing yourself or a relative. It is an explanation of why clinicians treat a sudden change in mental state or function in an older person as a reason to look for infection, including in the lungs, even when the chest sounds unremarkable. New confusion, called delirium when it fluctuates and comes on over hours or days, is one of the most common ways pneumonia announces itself in people over 80.

In someone with heart disease, the overlap is even more confusing. Breathlessness, fatigue and ankle swelling are everyday features of heart failure. When pneumonia arrives, those same symptoms worsen, and it can be hard to tell whether the lungs are wet from infection, from fluid backing up behind a struggling heart, or both. A chest X-ray and a blood marker called BNP, a hormone the heart releases when it is stretched, help the team separate the two.

The practical lesson for families is simple: a quiet decline deserves the same urgency as a loud one. The absence of fever does not rule out pneumonia in later life, and clinicians know this, which is why they examine and test rather than relying on the thermometer alone.

Home or hospital: who is admitted and who is treated at home

Most pneumonia in otherwise healthy adults is treated at home with oral antibiotics, rest and fluids. For older adults and people with heart disease, the balance tips toward admission more often, though not automatically.

The severity scores mentioned earlier guide this choice. The widely used CURB-65 tool, referenced across NHS and international guidance, assigns points for new confusion, raised blood urea (a kidney measure that climbs with dehydration and kidney strain), fast breathing, low blood pressure and age 65 or over. Higher totals point toward hospital care. Someone who is 72, slightly confused and breathing quickly already meets several criteria before any oxygen reading is taken.

Beyond the score, the team weighs practical questions. Can the person swallow tablets reliably? Is there someone at home who can notice deterioration overnight? Does an existing heart condition mean a drop in oxygen could trigger a rhythm problem? Is kidney function stable enough for home antibiotics? A person with mild pneumonia, stable heart failure, a good oxygen reading and an attentive partner may well be treated at home with early review. Another with the same X-ray but living alone, on blood thinners and with a recent heart attack is more likely to be admitted for observation.

Who is usually asked to wait, in the sense of staying home with monitoring, is therefore the person whose vital signs are stable, whose heart is not under acute strain, and who can be reassessed within a day or two. Who is usually admitted is the person with low oxygen, confusion, unstable blood pressure or a heart that is already showing signs of distress. The decision rests with the assessing clinician, and it can change within hours if the picture shifts.

Antibiotics: what they do and why the choice changes with age and heart medicines

Bacterial pneumonia is treated with antibiotics that either kill bacteria or stop them multiplying so the immune system can clear the rest. Because the organism is rarely known on day one, clinicians start with an antibiotic or combination that covers the most likely culprits, a strategy called empirical treatment, then narrow it when cultures identify the bacterium.

Several classes are commonly used: penicillin-type antibiotics (beta-lactams), macrolides, tetracyclines and, in selected cases, fluoroquinolones. For someone with heart disease, the choice carries extra considerations. Macrolides and fluoroquinolones can lengthen the QT interval, the time the heart’s electrical system takes to recharge between beats, which in people with existing rhythm problems or on certain cardiac drugs raises the risk of a dangerous arrhythmia. Clinicians check an ECG and review the medication list before prescribing these classes.

Interactions matter too. Some antibiotics intensify the effect of warfarin, a blood thinner, which can push clotting tests out of range; dose checks of the blood thinner may be needed during the course. Others affect how statins are processed. Kidney function, which declines with age, influences which antibiotics are suitable and how they are adjusted, because drug that is not cleared accumulates.

Timelines are typical, not promises. Mayo Clinic notes that most people begin to feel better within a few days of starting the right antibiotic, though the cough and tiredness persist longer. Finishing the prescribed course matters even when symptoms ease early, because stopping early allows surviving bacteria to regroup. If a person worsens or fails to improve after a couple of days, the team revisits the diagnosis and the drug choice. Every selection and any change belongs to the prescribing clinician.

Pneumonia and heart failure: the fluid tightrope

Heart failure means the heart cannot pump efficiently enough to meet the body’s needs, so fluid tends to back up into the lungs and legs. Pneumonia adds inflammation and infection to lungs that may already be waterlogged, and the two conditions pull treatment in opposite directions.

Infection and fever dehydrate people; they breathe faster, sweat more and drink less. The standard response is to give fluid. In heart failure, extra fluid can overwhelm a weak pump and flood the lungs further, deepening breathlessness. The reverse is also true: aggressive diuretics (water tablets that make the kidneys shed fluid) can leave an infected person dry, drop blood pressure and strain the kidneys. The team walks a narrow line, often giving smaller volumes, weighing the patient daily, tracking urine output and reassessing lung sounds several times a day.

Usual heart failure medicines are reviewed rather than stopped reflexively. Some, such as ACE inhibitors or diuretics, may be paused temporarily if blood pressure falls or kidney tests deteriorate, then restarted as the infection clears. That is a clinical judgement, made at the bedside, and patients should never alter these medicines on their own.

Oxygen is given carefully; the heart in failure benefits from adequate oxygen, but the team monitors to ensure that improved saturation is not masking rising fluid. Positioning helps, too: sitting upright eases both lung expansion and the pooling of fluid at the lung bases.

The combination carries real risk, and clinicians treat it as a priority admission. Yet with daily recalibration most people navigate it. The message for families is that the apparent back-and-forth, fluids one day, diuretics the next, is not indecision; it reflects a body whose needs genuinely change from shift to shift.

Can pneumonia cause heart problems? What the evidence shows

Yes, it can, and this is one of the clearest reasons treatment is intensified in people with existing heart disease. Pneumonia is linked to a raised short-term risk of heart attack, new or worsening heart failure and abnormal heart rhythms, particularly atrial fibrillation, in the days and weeks after the infection begins.

The mechanisms are well described. Infection triggers inflammation throughout the body, and inflammatory chemicals can make cholesterol plaques in coronary arteries more likely to rupture and clot. Fever and low oxygen increase heart rate and oxygen demand at exactly the moment supply is reduced, which can cause chest pain or silent heart muscle injury in someone with narrowed arteries. Stress hormones and electrolyte shifts from dehydration irritate the heart’s electrical system, which is why atrial fibrillation often first appears during a chest infection.

For this reason hospital teams routinely check an ECG and often a blood test for troponin, a protein released when heart muscle is damaged, in older patients admitted with pneumonia. A rise does not always mean a classic heart attack; it may reflect strain from the infection. Either way, it changes monitoring and sometimes treatment, and cardiology input may be requested.

What this evidence does not show is a guarantee. Many older adults with heart disease recover from pneumonia with no cardiac complication at all. The elevated risk is why precautions are taken, not a prediction for any individual. It is also part of the rationale behind vaccination: preventing pneumonia removes a known trigger for cardiac events, which is one reason the CDC and heart organisations emphasise influenza and pneumococcal vaccines for people with cardiovascular disease.

Oxygen, breathing support and when intensive care is considered

Low blood oxygen is the most immediate danger pneumonia poses. Inflamed, fluid-filled air sacs cannot transfer oxygen efficiently, and older lungs have less spare capacity to compensate. Supplemental oxygen through nasal prongs or a face mask is the first step, with a target range set individually; people with long-standing lung disease, for example, may have a lower target because their bodies are adapted to lower levels.

If simple oxygen is not enough, the team can escalate. High-flow nasal oxygen delivers warmed, humidified air at higher rates and reduces the effort of breathing. Non-invasive ventilation uses a tight-fitting mask to push air in with each breath, which can help when the lungs are stiff or the person is tiring. Mechanical ventilation through a breathing tube, in an intensive care unit, is reserved for the most severe cases.

Whether to escalate to intensive care in a frail older adult is one of the most sensitive conversations in medicine. It depends not only on the severity of the pneumonia but on the person’s baseline function, their other conditions, and crucially their own wishes. Many hospitals ask about treatment preferences early, not because the outlook is poor but because decisions made calmly are better than decisions made at 3 a.m.

Delirium is a common companion to severe pneumonia in older adults and to intensive care itself. Low oxygen, infection, unfamiliar surroundings and disrupted sleep all contribute. Teams reduce it by keeping glasses and hearing aids within reach, maintaining day-night routines, encouraging family presence and avoiding sedatives where possible. Families can help by orienting the person gently and bringing familiar objects. Delirium usually clears as the infection does, though it can take days to weeks.

Pneumonia treatment in older adults versus younger adults: what changes at a glance

The table below summarises how care typically differs. It describes common practice drawn from the NHS, Mayo Clinic and CDC descriptions of pneumonia care; individual plans vary, and the treating team sets every detail.

Aspect of care	Healthy younger adult	Older adult or person with heart disease
Where care happens	Usually at home with oral antibiotics	Lower threshold for admission; age itself raises severity scores
How it presents	Fever, productive cough, chest pain	Often confusion, weakness, poor appetite; fever may be absent
Antibiotic choice	Standard empirical regimen	Checked against kidney function, QT risk and interactions with blood thinners and cardiac drugs
Fluids	Encouraged freely	Measured and reassessed daily in heart failure
Heart monitoring	Rarely needed	ECG and troponin common; watch for atrial fibrillation and heart failure flare
Recovery	Days to a couple of weeks	Weeks to months; fatigue and deconditioning linger (NHS)
Follow-up	Often none if fully recovered	Review visit, sometimes repeat chest X-ray, medication reconciliation
Prevention afterward	Annual flu vaccine	Flu plus pneumococcal vaccination; CDC recommends pneumococcal vaccine for all adults 50 and older

Two rows deserve emphasis. The presentation row explains why diagnosis is often delayed in older adults: the body does not raise the usual flags. The recovery row explains the frustration many families feel at week three, when the X-ray is clearing but the person still cannot climb the stairs. Both reflect physiology, not failure of treatment.

What does not change is the principle that antibiotics treat only bacterial infection, that oxygen is given to need rather than to habit, and that getting moving early protects the lungs. The framework is shared; the settings are tuned to the individual.

Pneumonia recovery time in elderly people: the days and weeks that follow

Recovery from pneumonia is not a switch that flips when the antibiotics finish. The NHS explains that some people return to normal routines within a week while others take a month or more, and that the cough can persist after the infection has cleared. For older adults, the longer end of that range is common, and heart disease stretches it further because the heart has been working overtime for weeks.

The first few days on treatment are usually about stabilisation: fever settling, oxygen requirement falling, appetite creeping back. In hospital, this is when physiotherapists begin encouraging deep breathing and short walks. Those walks are not optional extras. Each day in bed costs muscle strength, and for an 80-year-old the loss is harder to regain than for a 30-year-old.

The second and third weeks are typically marked by fatigue that feels out of proportion to activity. Breathlessness on exertion lingers because inflamed lung tissue takes time to heal and because fitness has dropped. People with heart failure may notice their usual medicines being readjusted at follow-up as the body returns to its baseline fluid balance.

By four to six weeks most people feel substantially better, though tiredness can continue beyond that. A follow-up visit is standard, and the clinician may order a repeat chest X-ray in older adults or smokers to confirm the shadow has cleared, since a persistent abnormality needs further investigation.

Practical recovery supports include eating small, protein-rich meals even when appetite is poor, drinking enough unless fluid restriction has been advised, sleeping propped up if breathing is easier that way, and building activity gradually. Pacing matters more than pushing. The team will say when it is safe to resume driving, exercise or usual routines.

Aspiration pneumonia in elderly people: swallowing, posture and the mouth

Aspiration pneumonia develops when food, drink, saliva or stomach contents slip into the airway instead of the esophagus and carry bacteria into the lungs. It is disproportionately common in older adults, especially after a stroke, in dementia, in Parkinson’s disease, or simply because the swallowing reflex slows with age. Cleveland Clinic lists difficulty swallowing and reduced consciousness among its risk factors.

Treatment resembles other bacterial pneumonia, with antibiotics chosen to cover the mix of mouth and gut bacteria typically involved, plus oxygen and supportive care. What differs is the emphasis on finding and addressing the cause. A speech and language therapist may assess swallowing at the bedside or with a video X-ray study, then recommend texture changes such as thickened fluids, softer food, smaller mouthfuls or specific head positions that direct food away from the airway.

Posture is simple and underrated. Eating and drinking while sitting fully upright, and remaining upright for a period afterward, reduces the chance of reflux and aspiration. Lying flat soon after a meal does the opposite.

The mouth matters more than most families realise. Dental plaque and gum disease seed the saliva with bacteria, so when aspiration happens the inoculum is larger. Regular tooth brushing, denture cleaning and dental review are part of pneumonia prevention in care homes and should be at home too.

Sedating medicines that dull the gag reflex and awareness raise aspiration risk; clinicians may review these after an episode, and no one should stop them without that review. Feeding tubes are sometimes discussed for people who cannot swallow safely, but they do not reliably prevent aspiration of saliva, and the decision involves the person’s values as much as the medicine. The treating team guides that conversation.

What people often get wrong about pneumonia in later life

Myth: no fever means no pneumonia. As discussed, fever is frequently absent in older adults. Confusion, a fall or refusal to eat can be the only clue. Clinicians know this; families sometimes do not, and delay follows.

Myth: antibiotics should be started at the first cough. Most coughs and colds are viral, and antibiotics do nothing against viruses while adding side effects and encouraging resistance. The decision to prescribe rests on examination and, where needed, imaging, not on how bad the cough sounds.

Myth: bed rest is the safest option. Prolonged immobility promotes shallow breathing, mucus pooling, muscle loss and blood clots. Guided early mobilisation is part of treatment, not a risk to it.

Myth: feeling better means the course can stop. Symptoms improve before bacteria are fully cleared. The prescriber sets the course length; stopping early is a common reason for relapse.

Myth: heart medicines should be paused during any infection. Some may be adjusted, and the team will say so. Stopping blood thinners, rhythm drugs or heart failure medicines without instruction can be far more dangerous than the infection.

Myth: the pneumonia vaccine prevents all pneumonia. Pneumococcal vaccines protect against the most common bacterial cause and reduce severe disease, but pneumonia has many causes. Influenza and COVID-19 vaccines close other gaps. Vaccinated people can still develop pneumonia, usually milder.

Myth: a clear X-ray means full recovery. Lung shadows often lag behind clinical improvement, and the reverse also holds: a clear film does not restore lost muscle or stamina. Recovery is measured in function, not just pictures.

Each of these misunderstandings is understandable. Correcting them matters because the margin for error in an older or cardiac patient is small, and the evidence on each point is consistent across the NHS, Mayo Clinic and CDC.

Questions to ask your care team

A hospital stay or a home treatment plan goes more smoothly when families understand the reasoning. These questions are drawn from what patients and relatives most often wish they had asked.

• Is this bacterial, viral or uncertain, and how will that change the treatment?
• Why is hospital care, or home care, the right setting for this person right now, and what would change that decision?
• Which of the usual medicines, especially heart medicines and blood thinners, are being continued, paused or adjusted, and why?
• Has the antibiotic been checked against kidney function and the risk of heart rhythm effects?
• How is fluid balance being managed given the heart failure, and what signs would suggest too much or too little?
• What oxygen level is the target, and when would breathing support be escalated?
• What is the plan if the person becomes confused, and how can we help prevent delirium?
• Is there a swallowing concern, and should eating or drinking change?
• When should we expect improvement, and what would count as not improving?
• What follow-up is planned, including whether a repeat chest X-ray is needed?
• Which vaccines are recommended once this episode has settled?
• Has the person’s wishes about intensive treatment been discussed and recorded?

Write the answers down; information delivered during an acute illness is easily lost. If something is unclear, ask for it to be explained again in plain language. Good teams welcome the question, because a family that understands the plan is a family that notices deterioration early and calls at the right moment. The decisions remain with the clinicians, but informed relatives are part of the safety net.

When to call your doctor

Some signs warrant urgent action rather than a wait-and-see approach. Call emergency services immediately if the person has severe difficulty breathing or is breathing very fast, if lips, face or fingertips turn blue or grey, if there is chest pain that feels like pressure or spreads to the arm or jaw, if they cannot be roused or are suddenly very confused, or if they cough up blood. These are red flags for low oxygen, cardiac strain or sepsis and are listed by the NHS and MedlinePlus as reasons for emergency care.

Contact the treating team or an urgent care service the same day if someone being treated for pneumonia at home is not improving after a couple of days on antibiotics, if fever returns after settling, if they stop drinking or passing urine normally, if breathlessness worsens or they cannot lie flat, if ankle swelling or weight rises quickly in someone with heart failure, if a new irregular or racing heartbeat appears, or if there is new confusion, drowsiness or a fall.

After discharge, the same list applies, with the addition of any unusual bruising or bleeding in people on blood thinners whose antibiotic may have altered the drug’s effect.

Err on the side of calling. Older adults and people with heart disease deteriorate quietly and then quickly, and clinicians would always rather assess a concern that turns out to be minor than meet a serious one late. If a home monitoring plan was agreed, use the thresholds it specifies. If none was given, trust the instinct that something has changed; in this age group, that instinct is often right. All treatment decisions, from adjusting antibiotics to readmission, rest with the medical team.

Frequently asked questions

How is pneumonia treatment in older adults different from treatment in younger people?

The core treatment is the same, antibiotics for bacterial infection, oxygen when needed, fluids and rest, but older adults are admitted to hospital at a lower threshold, antibiotic choices are checked against kidney function and other medicines, the heart is monitored more closely, and recovery is planned over weeks rather than days. Severity scores used by clinicians count age itself as a risk factor, which shapes where and how care is delivered.

What is the typical pneumonia recovery time for elderly people?

Longer than for younger adults, and variable. The NHS notes that some people return to normal routines within a week while others take a month or more, and older adults tend toward the longer end. Fatigue and breathlessness on exertion often persist after the infection has cleared because fitness drops during illness. A follow-up visit, and sometimes a repeat chest X-ray, confirms the lung has healed.

How does pneumonia and heart failure together change the treatment plan?

Fluid management becomes the central challenge. Infection dehydrates, but extra fluid can overload a weak heart and worsen breathlessness, so volumes are smaller and reassessed daily with weights and lung checks. Usual heart failure medicines may be temporarily adjusted if blood pressure or kidney tests change. Oxygen and upright positioning help both conditions. These adjustments are made by the treating team and should never be attempted at home.

Can pneumonia cause a heart attack or atrial fibrillation?

It can raise the short-term risk of both. Inflammation from the infection can destabilise cholesterol plaques in coronary arteries, while fever, low oxygen and dehydration increase heart rate and irritate the heart’s electrical system. This is why hospital teams often check an ECG and a troponin blood test in older patients with pneumonia. Most people with heart disease recover without a cardiac event, but the elevated risk justifies closer monitoring.

What causes aspiration pneumonia in elderly people and how is it treated?

It occurs when food, drink, saliva or stomach contents enter the airway, often because swallowing weakens with age, stroke, dementia or sedating medicines. Treatment uses antibiotics that cover mouth and gut bacteria plus oxygen and supportive care, and adds a swallowing assessment, texture or posture changes, and attention to oral hygiene to reduce the chance of a repeat episode.

Is the pneumonia vaccine for seniors worth having after a bout of pneumonia?

Vaccination is generally recommended once the acute illness has settled, and the CDC advises pneumococcal vaccination for all adults aged 50 and older, with annual influenza vaccination alongside it. Having had pneumonia does not create lasting immunity to the many organisms that cause it. The timing and choice of vaccine are decided with the clinician, taking into account prior vaccines and current health.

Why might an older adult with pneumonia not have a fever?

The body’s fever response weakens with age because the brain’s temperature-regulating centre becomes less reactive and the immune system produces a blunted inflammatory signal. As a result, pneumonia in later life frequently shows up as confusion, poor appetite, unsteadiness or simply being unwell rather than a high temperature. Clinicians treat such changes as a reason to examine and test for infection rather than relying on the thermometer.

Should heart medicines be stopped during pneumonia treatment?

Not without instruction from the treating team. Some medicines, such as certain blood pressure drugs or diuretics, may be paused temporarily if blood pressure drops or kidney function changes, and antibiotic interactions with blood thinners may require closer monitoring. Those decisions are made clinically and reversed as the person recovers. Stopping blood thinners, rhythm drugs or heart failure medicines independently can be more dangerous than the infection itself.

What are the warning signs that pneumonia is getting worse at home?

Worsening or very fast breathing, blue or grey lips, chest pain, new or deepening confusion, coughing up blood or inability to stay awake need emergency care. Not improving after a couple of days on antibiotics, fever returning, reduced drinking or urine, rapid weight gain or swelling in heart failure, or a new irregular heartbeat should prompt a same-day call to the care team. When unsure, call.

Does delirium during pneumonia mean permanent damage?

Usually not. Delirium is a temporary state of fluctuating confusion triggered by infection, low oxygen, dehydration, unfamiliar surroundings or medicines, and it is common in older adults with pneumonia. It typically clears as the infection resolves, though this can take days to weeks. Hearing aids, glasses, daylight, familiar faces and avoiding unnecessary sedatives all help. Persistent confusion after recovery should be reviewed by the clinician.

References

• NHS: Pneumonia
• MedlinePlus: Pneumonia
• CDC: Pneumococcal vaccination
• Cleveland Clinic: Pneumonia

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.