Lung Disease & Respiratory Health

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Overview

Respiratory SystemThe respiratory system is the organs in your body for breathing, letting you exchange oxygen and carbon dioxide.

Lung Sounds: What Do They Mean?Learn about normal and abnormal lung sounds, like wheezing and rales, and how they help doctors diagnose various conditions.

What to Know About Acid-Base BalanceUnderstand your body's acid-base balance, how it's controlled, and what happens when it's off, causing acidosis or alkalosis.

Lung Diseases OverviewLung diseases are common conditions affecting different parts of the respiratory system, from the airways to the air sacs.

Respiratory SystemThe respiratory system is the organs in your body for breathing, letting you exchange oxygen and carbon dioxide.

Lung Sounds: What Do They Mean?Learn about normal and abnormal lung sounds, like wheezing and rales, and how they help doctors diagnose various conditions.

What to Know About Acid-Base BalanceUnderstand your body's acid-base balance, how it's controlled, and what happens when it's off, causing acidosis or alkalosis.

Lung Diseases OverviewLung diseases are common conditions affecting different parts of the respiratory system, from the airways to the air sacs.

Do I Have a Lung Injury?Lung injuries can result from direct trauma or illness, leading to serious symptoms like shortness of breath and chest pain.

Healthy Lungs vs. Smoker's Lungs: What You Need to KnowSmoking damages the lungs, affecting their appearance and function while increasing the risk for diseases like COPD and cancer.

PulmonologistA pulmonologist is a doctor who treats lung diseases. Learn what they do, the conditions they treat, and when to see one.

Signs & Symptoms

Breathing ProblemsBreathing problems from asthma, allergies, or infections can improve with the right diagnosis, treatment, and trigger management.

Breathing Problems You Shouldn’t IgnoreTrouble breathing, chest pain, or a chronic cough? These signs might mean more than just a cold. Learn when to call your doctor.

Surprising Causes of BreathlessnessStruggling to breathe can signal more than lung trouble. Discover 10 surprising conditions that could be behind it.

What Causes a Productive Cough?A productive cough may signal infection or chronic illness. Find out the possible causes and treatments.

Breathing ProblemsBreathing problems from asthma, allergies, or infections can improve with the right diagnosis, treatment, and trigger management.

Breathing Problems You Shouldn’t IgnoreTrouble breathing, chest pain, or a chronic cough? These signs might mean more than just a cold. Learn when to call your doctor.

Surprising Causes of BreathlessnessStruggling to breathe can signal more than lung trouble. Discover 10 surprising conditions that could be behind it.

What Causes a Productive Cough?A productive cough may signal infection or chronic illness. Find out the possible causes and treatments.

Brown Phlegm: What Causes It?Don’t ignore discolored mucus. Brown phlegm can reveal hidden lung issues, from bronchitis to abscesses.

Hemoptysis (Coughing Up Blood)From mild to massive bleeding, hemoptysis can be serious. Learn the causes, what tests you'll need, and how it's treated.

What Are Chest Retractions?Chest retractions happen when soft chest tissue sinks in during breathing. It’s a sign your body isn’t getting enough air.

Dyspnea: Causes, Symptoms, and Treatment OptionsDyspnea is shortness of breath, a sign your body isn’t getting enough air and may need urgent medical care.

What Is Orthopnea?Orthopnea leads to breathlessness when you lie flat. Discover why it happens and what you can do to feel better.

What Is Hyperventilation?Hyperventilation is rapid, deep breathing that lowers carbon dioxide levels, causing dizziness, chest tightness, and tingling.

What to Know About an Airway ObstructionAirway obstruction blocks airflow in your lungs and can be caused by choking, allergies, infections, or lung diseases.

StridorStridor is a high-pitched breathing sound caused by a narrowed airway, often indicating an underlying blockage or condition.

Respiratory FailureRespiratory failure occurs when lungs can't supply enough oxygen or remove carbon dioxide, needing urgent medical care.

Tests & Procedures

Common Lung Diagnostic TestsCommon lung tests measure breathing, oxygen levels, and detect infections or lung damage to help diagnose respiratory problems.

Sputum Culture Testing and ResultsA sputum culture tests mucus from your lungs to detect infections like bacteria, viruses, or fungi causing respiratory illness.

Arterial Blood Gas Test (ABG)An arterial blood gas (ABG) test measures oxygen, carbon dioxide, and blood acidity to check lung and kidney function.

What Is Pulse Oximetry?A pulse oximeter is a quick, painless device that measures blood oxygen levels and pulse rate to monitor lung and heart health.

Common Lung Diagnostic TestsCommon lung tests measure breathing, oxygen levels, and detect infections or lung damage to help diagnose respiratory problems.

Sputum Culture Testing and ResultsA sputum culture tests mucus from your lungs to detect infections like bacteria, viruses, or fungi causing respiratory illness.

Arterial Blood Gas Test (ABG)An arterial blood gas (ABG) test measures oxygen, carbon dioxide, and blood acidity to check lung and kidney function.

What Is Pulse Oximetry?A pulse oximeter is a quick, painless device that measures blood oxygen levels and pulse rate to monitor lung and heart health.

What Is Lung Diffusion Testing?Lung diffusion testing measures how well your lungs transfer oxygen into blood and remove carbon dioxide for healthy breathing.

Pulmonary Function TestPulmonary function tests check how well your lungs work and help diagnose lung diseases like asthma, COPD, and infections.

PEFR: What to KnowA PEFR test measures how fast you can exhale to help monitor asthma, COPD, and detect lung changes early.

SpirometrySpirometry measures how much and how fast you breathe to help diagnose asthma, COPD, and other lung conditions.

What Is a Body Plethysmography?Body plethysmography measures lung volume to help diagnose and monitor lung conditions like COPD, asthma, and cystic fibrosis.

What Is Pulmonary Angiography?Pulmonary angiography is an X-ray test that uses dye to detect blood clots and assess blood vessels in and around the lungs.

What to Know About a VQ ScanA VQ scan measures airflow and blood flow in the lungs to help diagnose conditions like pulmonary embolism and lung disease.

What Does an Endobronchial Ultrasound Tell You?An endobronchial ultrasound (EBUS) helps doctors examine lung airways and lymph nodes without surgery, aiding diagnosis and biopsy.

Should You Test Your Lung Function at Home?Home lung function tests help track breathing health for asthma or COPD, guiding treatment and spotting flare-ups early.

What Is a Bronchoscopy?A bronchoscopy lets doctors view your lungs to diagnose, treat, or remove blockages and collect tissue samples safely.

What Is Thoracentesis?Thoracentesis is a procedure to remove excess fluid from around the lungs, easing breathing and helping diagnose the cause.

Lung Diseases

Pneumonia: What to KnowLearn how pneumonia affects your lungs, who is at risk, and what symptoms to watch for along with treatment and prevention tips.

Pneumonia: Signs and SymptomsFrom chest pain to cough and fever, find out what pneumonia symptoms mean and when to call a doctor.

Types of PneumoniaPneumonia has many types, such as bacterial, viral, or fungal. Find out how each type spreads and how treatment varies.

What Is Bacterial Pneumonia?Bacterial pneumonia is a lung infection that can turn serious. See who’s at risk, symptoms, and how to prevent and treat it.

Pneumonia: What to KnowLearn how pneumonia affects your lungs, who is at risk, and what symptoms to watch for along with treatment and prevention tips.

Pneumonia: Signs and SymptomsFrom chest pain to cough and fever, find out what pneumonia symptoms mean and when to call a doctor.

Types of PneumoniaPneumonia has many types, such as bacterial, viral, or fungal. Find out how each type spreads and how treatment varies.

What Is Bacterial Pneumonia?Bacterial pneumonia is a lung infection that can turn serious. See who’s at risk, symptoms, and how to prevent and treat it.

What Is Viral Pneumonia?Viral pneumonia is caused by viruses like the flu or RSV. Learn how it spreads, what symptoms to watch for, and how it’s treated.

Chemical PneumoniaChemical pneumonia develops after inhaling poisons or toxins. Find how it affects you and what steps to take if you're exposed.

What Is Lipoid Pneumonia?Lipoid pneumonia is a rare lung condition caused by fat building up in the lungs. Find out what causes it and how it’s treated.

What Is Walking Pneumonia?Walking pneumonia is common in children and adults younger than 40. Discover the symptoms, causes, and when antibiotics can help.

Can You Prevent Pneumonia?Pneumonia can be serious, but many cases are preventable. See which vaccines to get and how daily habits can protect your lungs.

Pneumonia: Reducing Your RiskPneumonia after surgery can be serious. Learn steps you can take before and after your procedure to protect your lungs.

What Are the Complications of Pneumonia?Pneumonia doesn’t just affect your lungs. Learn how it can lead to complications like organ damage and what treatment may involve.

Is It Bronchitis or Pneumonia?Bronchitis and pneumonia both cause cough and fatigue, but symptoms differ. Learn how to tell them apart and when to call the doctor.

Lung Cancer and Pneumonia: What to KnowPneumonia is common in people with lung cancer. Learn how the two conditions overlap, how they differ, and how to manage symptoms.

Pneumonia: How to Feel BetterFighting pneumonia? Try these tips to rest, stay hydrated, ease your cough, and avoid setbacks while your lungs heal.

BronchitisNagging cough with mucus? It might be bronchitis. Find out what triggers it, how long it lasts, and how to prevent it from coming back.

Symptoms of BronchitisFind out how to spot bronchitis, how it differs from similar illnesses, and which symptoms may need urgent medical attention.

Is Bronchitis Contagious?Find out when bronchitis is contagious, how long it lasts, and the best ways to protect yourself and others from getting sick.

Bronchitis Treatment: A Comprehensive GuideFind out how to treat bronchitis with home remedies, medications, and tips for managing ongoing symptoms and when to see a doctor.

Bronchitis Home Remedies: What Helps You Feel Better?Bronchitis? Try these simple home tips like steam, fluids, and rest to ease your cough. See a doctor if it lasts over 3 weeks or gets worse.

What Is Bronchiolitis?Worried about your baby’s cough? It could be bronchiolitis. Know the signs, treatment, prevention tips, and when to call the doctor.

RSV and Other Lung ProblemsRSV spreads easily and can lead to serious lung issues. Know your risk and how to help prevent it.

RSV Timeline of Symptoms and ContagionRSV can spread before symptoms start. See how long you’re contagious and what to expect during infection.

RSV Tests: Rapid Antigen Tests and rRT-PCRRSV tests include rapid antigen and rRT-PCR. Learn when to test, what results mean, and who needs it most.

RSV (Respiratory Syncytial Virus) VaccinesLearn who should get the RSV vaccine, how it works, where to get it, and what to expect from side effects to protection.

Respiratory Syncytial Virus (RSV) and PregnancyRSV can lead to serious complications in pregnancy. Find out how one vaccine helps protect both you and your baby.

Tuberculosis (TB): Causes, Symptoms, TreatmentTB is preventable and curable but can be fatal if ignored. Learn the signs, causes, risks and how to protect yourself.

What Are the Symptoms of Tuberculosis?TB symptoms may start slowly with cough, fever, and weight loss. Early medical help can cure TB and stop its spread.

TB (Tuberculosis) TestsIf exposed to TB, get tested with skin or blood tests. Early detection helps prevent active TB and spread to others.

Tuberculosis Prevention: What to KnowTB spreads through air from active cases. Early treatment and hygiene help stop TB in its tracks.

What’s the Treatment for Tuberculosis?TB is treatable with antibiotics taken 6 to 9 months. Stay isolated until your doctor says you’re no longer contagious.

Tuberculosis Treatment During PregnancyAre you pregnant? TB treatment is safe and vital to protect you and baby. Always follow your doctor’s advice on meds and care.

What You Must Do if You Have TBGot TB? Start treatment early, stay isolated, and don’t skip a single dose. Learn how to protect yourself and when to call your doctor.

What Is Nontuberculous Mycobacterial Lung Disease?NTM lung disease is rising in older adults. Find out who’s most at risk, what causes it, and the symptoms.

Talking to Your Doctor About NTM Lung DiseaseNTM isn’t contagious, but it’s serious. Use this guide to prep for appointments and learn what to ask about your infection and treatment.

Treatment for Nontuberculous Mycobacterial Lung DiseaseTreatment for NTM depends on your symptoms and bacteria type. Explore treatment options, palliative care, and tips to feel better.

What Is Aspergillosis?Aspergillosis is a lung infection caused by mold. Learn who’s at risk, what are the types, symptoms to watch, and how it’s treated.

What Is Blastomycosis?Blastomycosis is a rare fungal infection from breathing in mold spores.See how it spreads, symptoms to watch for, and how it’s treated.

Human Metapneumovirus (HMPV)HMPV is a common virus causing cold-like symptoms. It’s usually mild but can be serious. Here’s what to watch.

What Is Langya Henipavirus?Langya virus is a rare animal-borne virus found in China. Know the causes, symptoms to watch for, and how it's treated.

Legionnaires' DiseaseLegionnaires’ disease is a serious pneumonia. It’s not contagious but can be life-threatening. Here's what to know.

What to Know About M. catarrhalisFrom ear infections to pneumonia, M. catarrhalis can cause trouble. Learn how it’s diagnosed and what treatments may help.

Middle East Respiratory Syndrome (MERS): Causes, Symptoms, and TreatmentMiddle East respiratory syndrome (MERS) is a rare but serious viral illness linked to travel in or near the Arabian Peninsula.

Mucormycosis: What to KnowMucormycosis is a rare, serious fungal infection that affects people with weakened immunity, often targeting the sinuses or lungs.

What Is SARS?SARS is a serious viral illness caused by a coronavirus, spread through droplets, with flu-like symptoms and no known cure.

What Is a Viral URI?A viral upper respiratory infection (URI) causes cold-like symptoms such as cough, sore throat, fever, and nasal congestion.

Interstitial Lung Disease: Types, Causes, Symptoms, & TreatmentInterstitial lung disease is a group of conditions that scar and inflame the lung interstitium, causing breathlessness and cough.

What Is Childhood Interstitial Lung Disease?Childhood interstitial lung disease (chILD) is a group of rare lung conditions that damage lung tissue and impair breathing.

SarcoidosisSarcoidosis is an inflammatory disease that causes granulomas in the lungs and other organs, leading to diverse symptoms.

Idiopathic Pulmonary Fibrosis (IPF)Idiopathic pulmonary fibrosis is a progressive lung disease where thick scar tissue forms, making breathing harder over time.

What Is Hypersensitivity Pneumonitis?Hypersensitivity pneumonitis is an allergic lung disease from inhaled particles causing inflammation, cough, and breathlessness.

What Is Pneumonitis?Pneumonitis is lung inflammation caused by breathing in or being exposed to irritants like drugs, chemicals, or allergens.

Benign Lung Tumors and NodulesBenign lung nodules and tumors are noncancerous growths often detected on imaging and monitored to ensure they stay harmless.

MesotheliomaMesothelioma is a rare cancer of the mesothelium. It is often caused by asbestos exposure, that invades chest and abdominal linings.

Pulmonary Vascular DiseasePulmonary vascular disease includes lung blood vessel disorders like embolism and hypertension that cause breathlessness.

Chronic Thromboembolic Pulmonary HypertensionCTEPH is chronic high blood pressure in lung arteries caused by persistent clots, leading to breathlessness and fatigue.

Pulmonary Arterial HypertensionPulmonary arterial hypertension means high blood pressure in the arteries that go from your heart to your lungs.

How PAH Is DiagnosedPAH diagnosis involves exams, blood tests, imaging, lung function testing, and right‐heart catheterization.

Treatments for Pulmonary Arterial HypertensionWhile there’s no cure for PAH, medications and procedures can ease symptoms and improve quality of life based on individual needs.

Winrevair for Pulmonary Arterial Hypertension: What You Need to KnowWinrevair helps treat Group 1 pulmonary arterial hypertension by improving blood flow and reducing symptoms like breathlessness.

Monitor Your Pulmonary Arterial HypertensionTrack your PAH symptoms daily, know your meds, and stay informed to better manage your condition and treatment plan.

What Is a Pleural Effusion?Pleural effusion is fluid buildup around the lungs. Learn the causes, symptoms, diagnosis steps, and how it's treated.

Pleurisy (Pleuritis)Pleurisy causes sharp chest pain from inflamed lung linings, often from infection, and usually improves with rest and treatment.

Pleurisy TreatmentPleurisy treatment varies by cause and may include antibiotics, pain relievers, steroids, or fluid drainage to ease symptoms.

Pneumothorax (Collapsed Lung)Pneumothorax occurs when air leaks into space around the lung, causing it to collapse and requiring prompt medical treatment.

What Is Empyema?Empyema is pus buildup between the lung and its lining, caused by infection, leading to chest pain and breathing difficulty.

What Is Hemothorax?Hemothorax is bleeding around the lungs, often from chest injury, causing pain and breathing issues that may need urgent care.

What to Know About Video-Assisted Thoracoscopic Surgery (VATS) PleurodesisVideo-assisted thoracoscopic surgery Pleurodesis seals the space around the lungs to prevent air or fluid buildup.

AspirationAspiration occurs when food, liquid, or objects enter the airway or lungs, causing coughing, swallowing issues, or lung infections.

BronchiectasisBronchiectasis is a chronic lung disease causing thickened airways, cough, infections, and breathing difficulties.

What Is Popcorn Lung?Popcorn lung is a serious lung disease causing airway damage, cough, and shortness of breath from inhaling harmful chemicals.

Atelectasis: Symptoms and TreatmentAtelectasis is a lung condition where airways or tiny sacs collapse, causing breathing difficulty, chest pain, and other symptoms.

LAM Lung Disease (Lymphangioleiomyomatosis)LAM is a rare lung disease affecting mostly women, causing cysts and breathing problems due to abnormal muscle cell growth.

What Are Hyperinflated Lungs?Hyperinflated lungs occur when trapped air overexpands lung tissue, which can make breathing difficult and reduce lung flexibility.

What Causes Pneumomediastinum?Pneumomediastinum is a rare condition where air leaks into the chest, causing pain and breathing difficulty, often after injury.

What Is a Lung Abscess?A lung abscess is a pus-filled cavity in the lung caused by infection, leading to chest pain, cough, fever, and fatigue.

Lung Granuloma: Symptoms, Causes, and TreatmentsGranulomas are small immune cell lumps, often in lungs, usually harmless but linked to infections or inflammation.

Acute Respiratory Distress Syndrome (ARDS)ARDS causes fluids in the lungs, blocking oxygen. It can be life-threatening but is often treatable with prompt medical care.

Obstructive and Restrictive Lung DiseaseObstructive and restrictive lung diseases limit airflow or lung expansion, causing shortness of breath and impacting daily life.

What Is Cystic Lung Disease?Cystic lung disease causes air or fluid-filled sacs in lungs. Diagnosis and treatment depend on the specific type and symptoms.

What Is Pulmonary Alveolar Proteinosis?Pulmonary alveolar proteinosis fills lung air sacs with surfactant, causing breathing difficulty and requiring targeted treatment.

Pulmonary EdemaPulmonary edema is fluid buildup in the lungs that makes breathing hard and can be life-threatening if not treated quickly.

Eosinophilic Granulomatosis with Polyangiitis (EGPA)EGPA is a rare disease that causes blood vessel inflammation and can affect organs like the lungs, heart, and nerves.

How Churg-Strauss Syndrome Affects OrgansChurg-Strauss syndrome can inflame blood vessels and affect organs like the heart, lungs, kidneys, skin, and nerves.

Treatment of Churg-Strauss SyndromeChurg-Strauss syndrome treatment includes steroids, immune-suppressing drugs, and biologics to control inflammation and symptoms.

What Is Precordial Catch Syndrome?Precordial catch syndrome causes sudden, sharp chest pain in kids and young adults but isn’t dangerous and fades within minutes.

Environmental Impacts on Lung Health

Outdoor Air Quality and Air PollutionPoor outdoor air quality can trigger serious illness. Learn who’s most at risk and how to protect your health.

Health Effects of Wildfire SmokeFind out how wildfire smoke impacts your body and what steps you can take to limit the damage.

Smoke InhalationSmoke inhalation damages the body by depriving you of oxygen. Learn the causes, symptoms, and how to get help fast.

Asbestos: Exposure and DangersBreathing in asbestos fibers may cause severe lung problems over time. Learn about symptoms, risks, and what to do if you’ve been exposed.

Outdoor Air Quality and Air PollutionPoor outdoor air quality can trigger serious illness. Learn who’s most at risk and how to protect your health.

Health Effects of Wildfire SmokeFind out how wildfire smoke impacts your body and what steps you can take to limit the damage.

Smoke InhalationSmoke inhalation damages the body by depriving you of oxygen. Learn the causes, symptoms, and how to get help fast.

Asbestos: Exposure and DangersBreathing in asbestos fibers may cause severe lung problems over time. Learn about symptoms, risks, and what to do if you’ve been exposed.

What Is Pneumoconiosis?Pneumoconiosis may sound serious, but with early diagnosis and ongoing care, you can manage your symptoms and protect your lung health.

What Is Black Lung Disease?Working in coal mines can put your lungs at risk. Find out how black lung disease starts, who’s vulnerable, and how to prevent it.

What Is Silicosis?Silicosis is a lung disease caused by breathing in silica dust over time. Learn who’s at risk, symptoms to watch for, and how it’s treated.

What Is Farmer's Lung?If you work around hay, grain, or dust, you could be at risk for farmer’s lung. Find out what it is and how to protect your lungs.

Mold in House: Causes, Effects, and Prevention StrategiesMold can trigger allergies and asthma. Find out how to detect it, clean it, and keep it from coming back.

Can Black Mold Kill You?Black mold may trigger symptoms, especially if you have allergies or asthma. Learn how to spot and remove it safely.

What Is Aspergillus? Aspergillus is a common mold found indoors and outdoors. Find out what causes it, who’s at risk, and how it’s treated.

Therapies & Management

Home Oxygen Therapy: What to KnowOxygen therapy at home can help manage lung diseases like COPD or pulmonary fibrosis. Learn key safety tips.

What Is a Nasal Cannula?Learn how nasal cannulas deliver oxygen, who needs them, and what to know about safety, side effects, and home use.

Oxygen Concentrator: Uses, Types, and SafetyFind out which oxygen concentrator suits your lifestyle and how to use it safely, at home or on the move.

Oxygen Tanks and How to Choose OneLearn the pros and cons of oxygen tanks and devices so you can choose one that fits your needs and lifestyle.

Home Oxygen Therapy: What to KnowOxygen therapy at home can help manage lung diseases like COPD or pulmonary fibrosis. Learn key safety tips.

What Is a Nasal Cannula?Learn how nasal cannulas deliver oxygen, who needs them, and what to know about safety, side effects, and home use.

Oxygen Concentrator: Uses, Types, and SafetyFind out which oxygen concentrator suits your lifestyle and how to use it safely, at home or on the move.

Oxygen Tanks and How to Choose OneLearn the pros and cons of oxygen tanks and devices so you can choose one that fits your needs and lifestyle.

What to Know About Non-Rebreather MasksA non-rebreather mask is a lifesaver during emergencies. Know the uses, risk and other alternative options.

Intubation ExplainedIntubation is a medical procedure used when someone can’t breathe well on their own. Learn what to expect and possible complications.

Overview of ExtubationLearn what happens during extubation and how doctors ensure it’s safe to remove the tube.

TracheostomyA tracheostomy helps you breathe through a tube in your windpipe, temporarily or long-term. Here’s what to expect before and after.

Interventional PulmonologyInterventional pulmonology uses endoscopy and advanced tools to diagnose and treat lung and chest conditions with less invasive methods.

ECMO: What You Need to KnowECMO is used when lungs or heart fail, often alongside a ventilator, providing life support. Know about it types and risks.

What Is Negative Pressure Ventilation?NPVs pull air into the lungs naturally. Explore their types and why they're rarely used today due to airway risks and low portability.

Lung TransplantLearn who may need a lung transplant, how the process works, and what to expect before, during, and after surgery.

What Is a Respiratory Therapist?Who helps when your lungs can't keep up? Discover the vital role of respiratory therapists.

What Is an Incentive Spirometer?This small device can make a big difference for your lungs especially after surgery. Learn how to use an incentive spirometer.

What to Know About Pursed-Lip BreathingPursed-lip breathing can help manage shortness of breath from COPD, asthma, or anxiety. Learn its benefits and how to do it.

10 Tips for Eating When You Have Breathing ProblemsStruggling to breathe while you eat? Try these tips can help you eat more comfortable and feel more in control at mealtimes.

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Suggested Reads about Lung Disease & Respiratory Health

Pneumonia -- What You Should KnowIf you have a nagging cough, feel bubbling or wheezing in your chest, and can’t catch your breath, you may have some form of a lung infection, also known as pneumonia. This WebMD slideshow tells you what you should know.

RSV Vaccine Side EffectsGet the latest on RSV and the side effect new vaccines like Abrysvo and Arexvy can cause.

Visual Guide To Bronchitis: Symptoms, How Long It Lasts, RecoveryLearn about bronchitis symptoms, causes, diagnosis, treatment, and prevention with this in depth WebMD slideshow.

Visual Guide to Legionnaires’ DiseaseLegionnaires’ disease is a serious form of bacterial pneumonia that needs immediate medical treatment.

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