Is a Humidifier Good for Pneumonia Vector Illustration

Is a Humidifier Good for Pneumonia? (2024)

by | Updated: Apr 29, 2024

Pneumonia, a formidable respiratory illness, presents challenges in breathing due to inflammation and fluid-filled alveoli.

While conventional treatments address the root causes, the role of environmental factors in patient comfort has gained attention.

Among these factors is the use of humidifiers, devices that increase air moisture. The potential benefits and considerations associated with their use for pneumonia patients require a closer look.

Is a Humidifier Good for Pneumonia?

A humidifier can add moisture to the air, potentially aiding those with pneumonia by easing respiratory symptoms and making breathing more comfortable. However, it’s essential to keep the humidifier clean to prevent bacterial and mold growth, which could worsen respiratory issues. Always consult with a healthcare professional before making decisions related to pneumonia treatment.

Is a Humidifier Good for Pneumonia Illustration

How Do Humidifiers Help with Pneumonia?

Humidifiers release moisture into the air, creating a more humid environment. For pneumonia patients, this added moisture can help soothe irritated respiratory tracts, facilitate mucus thinning, and ease breathing.

Moist air is gentler on the inflamed lungs and can reduce the harshness of coughs.

However, proper maintenance of the humidifier is crucial, as bacteria and mold can proliferate in improperly maintained devices, potentially aggravating the condition.

Remember: It’s always essential to pair any adjunctive treatment with guidance from a healthcare professional.

What is Pneumonia?

Pneumonia is an inflammatory condition of the lung primarily affecting the tiny air sacs known as alveoli. These sacs may fill with fluid or pus, leading to difficulty in breathing.

Pneumonia lungs alveoli illustration labeled


  • Bacterial: The most common cause in adults is Streptococcus pneumoniae.
  • Viral: Respiratory viruses such as influenza or RSV can be culprits.
  • Fungal: Common in people with chronic health problems or weakened immune systems.
  • Others: Chemicals, inhaled food, and certain diseases can also lead to pneumonia.

Signs and Symptoms

  • Cough with phlegm or pus
  • Fever, sweating, and chills
  • Shortness of breath
  • Chest pain that fluctuates with breathing (pleuritic pain)
  • Fatigue
  • Nausea, vomiting, or diarrhea


  • Physical examination: Listening to the lungs might reveal areas where sound is muffled or crackling.
  • Chest X-ray: To visualize the location and extent of the infection.
  • Blood tests: To check for the presence of bacteria or to assess the severity.
  • Sputum test: Examining and culturing the mucus (sputum) can help identify the causative agent.
  • Pulse oximetry: Measures the oxygen level in your blood.
  • Bronchoscopy: Used in severe cases or if the initial treatments are not effective.


  • Antibiotics: For bacterial pneumonia.
  • Antivirals: For viral pneumonia.
  • Fungals: For fungal pneumonia.
  • Hospitalization: Severe cases or certain at-risk populations may require hospitalization.
  • Over-the-counter medications: To manage fever and pain.
  • Fluids and rest: To aid recovery.
  • Oxygen therapy: To ensure the body gets the required oxygen.
  • Physiotherapy: To help clear mucus from the lungs.

Benefits of Humidifiers for Pneumonia

Humidifiers can offer several benefits for individuals suffering from pneumonia, especially when it comes to symptom relief:

  • Soothes Irritated Airways: Moisture from humidifiers can soothe and lubricate inflamed airways, making breathing easier and less painful.
  • Facilitates Mucus Thinning: A moist environment can help thin out thick mucus or phlegm, aiding its expulsion and thus clearing the airways.
  • Reduces Dryness: Humidified air combats the dryness in the throat and nasal passages, which can be exacerbated by frequent coughing and some medications.
  • Improves Sleep: Moist air can create a more comfortable sleeping environment, especially if the individual is experiencing breathing difficulties.
  • Eases Cough: Moister air can reduce the harshness of coughs by hydrating the throat and reducing irritation.
  • Protection for Vocal Cords: Dry and inflamed vocal cords can result in a hoarse voice. Humidifiers help maintain their moisture, preserving voice quality.
  • Better Overall Comfort: For many, a room with humidified air simply feels better and can provide relief from many respiratory symptoms, not just those associated with pneumonia.

However, while a humidifier has benefits, it’s crucial to ensure its proper maintenance. A humidifier that isn’t cleaned regularly can breed mold and bacteria, potentially aggravating respiratory conditions.

Always follow manufacturer cleaning guidelines and consider distilled or demineralized water to prevent mineral buildup.

Precautions When Using Humidifiers for Pneumonia

When using humidifiers for pneumonia, certain precautions are essential to ensure safety and effectiveness:

  • Regular Cleaning: To prevent the growth of mold, bacteria, and algae, clean the humidifier as recommended by the manufacturer. Left unchecked, these can be dispersed into the air and exacerbate respiratory conditions.
  • Use Distilled or Demineralized Water: Tap water contains minerals which can build up in the humidifier and be released into the air. Distilled or demineralized water reduces the risk of mineral buildup and white dust.
  • Avoid Over-Humidification: A humidity level of 30-50% is generally recommended. Too much humidity can promote mold growth in the home and worsen respiratory symptoms.
  • Change Water Daily: Empty, rinse, and dry the interior of your humidifier daily to ensure stale water doesn’t become a breeding ground for harmful microorganisms.
  • Monitor Humidity Levels: Use a hygrometer to measure room humidity, ensuring it stays within the recommended range.
  • Place Humidifier in a Safe Location: Ensure that it’s on a flat, water-resistant surface and out of the reach of children. Ensure it’s not near any electrical appliances to prevent any accidental spills.
  • Filter Replacement: If your humidifier uses filters, make sure to replace them as recommended to maintain optimal functionality and hygiene.
  • Keep the Area Around Humidifiers Dry: If you notice moisture on windows, walls, or other surfaces, reduce the humidifier’s output or use it less frequently.
  • Consider Individual Needs: Some people might be more sensitive to changes in humidity. Always consider individual health needs, especially in shared living spaces.
  • Stay Updated: Always refer to the humidifier’s manual for any specific guidelines or recommendations for your particular model.

Remember: While a humidifier can be a helpful tool in managing pneumonia symptoms, it’s important to maintain it properly to ensure it doesn’t inadvertently contribute to respiratory problems.

Tips for Using a Humidifier for Pneumonia

When utilizing a humidifier to alleviate pneumonia symptoms, its effectiveness and safety largely depend on how you use and maintain it.

Here are some tips to keep in mind:

  • Optimal Humidity Levels: Keep indoor humidity levels between 30-50%. This range is generally considered comfortable and can help soothe respiratory symptoms without promoting mold growth.
  • Regular Maintenance: Clean the humidifier routinely, as per the manufacturer’s instructions, to prevent mold, bacteria, and algae buildup.
  • Choose the Right Water: Use distilled or demineralized water to minimize mineral deposits and reduce the risk of dispersing harmful particles into the air.
  • Replace Water Daily: Always use fresh water. Empty out any leftover water, rinse the tank, and fill it with fresh water daily.
  • Placement Matters: Place the humidifier on a flat, stable surface away from children, pets, and electrical appliances. Ensure it’s not close to curtains or upholstery, which can become damp and breed mold.
  • Filter Care: If your humidifier has a filter, replace and clean it as recommended. A dirty filter can disperse pollutants into the air.
  • Use a Hygrometer: This device measures humidity levels. By using one, you can ensure your humidifier is not making the room too humid.
  • Room Ventilation: Ensure the room is well-ventilated. This aids in preventing excessive humidity and ensures a fresh supply of air.
  • Cool Mist vs. Warm Mist: Cool mist humidifiers, like ultrasonic or evaporative types, are often recommended for respiratory illnesses, as they don’t heat the water. However, if you opt for a warm mist humidifier, ensure it’s safely placed to prevent accidental burns.
  • Avoid Adding Medications to the Water: Unless specifically designed for it or recommended by a healthcare professional, don’t add medications or oils to the humidifier. They can cause harm when aerosolized and inhaled.
  • Stay Observant: Watch for signs of increased mold or dampness in your living space. If these appear, reduce the humidifier’s usage.
  • Consult a Healthcare Professional: If uncertain about the benefits or potential risks of using a humidifier for pneumonia, seek guidance from a healthcare professional.

By following these tips, you can harness the benefits of a humidifier while managing pneumonia symptoms, ensuring a safer and more comfortable recovery environment.

Best Overall
ThermoPro TP50 Digital Indoor Hygrometer

An accurate and user-friendly device designed to measure indoor temperature and humidity levels, helping you maintain optimal living conditions in your home.

If you click this link and make a purchase, we earn a commission at no additional cost to you.

Best Humidifier for Pneumonia

The Everlasting Comfort Ultrasonic Cool Mist Humidifier is an exceptional choice for individuals with pneumonia.

Our Top Pick
Everlasting Comfort Ultrasonic Cool Mist Humidifier

A high-quality cool mist humidifier for improved wellness, comfort, and breathing in your home.

If you click this link and make a purchase, we earn a commission at no additional cost to you.

Designed to improve air quality, it utilizes ultrasonic technology to produce a gentle, cool mist that aids in soothing irritated respiratory tracts.

Its large tank capacity ensures continuous operation without frequent refills, while its whisper-quiet function guarantees a disturbance-free environment.

Additionally, the built-in filterless design ensures long-lasting performance with minimal maintenance. This humidifier not only offers relief but also promises durability and ease-of-use.

How to Prevent Pneumonia

Preventing pneumonia is crucial, especially for those in high-risk groups such as the elderly, children, and individuals with compromised immune systems.

Here are strategies to reduce the risk of contracting this respiratory illness:

  • Vaccination: Get vaccinated against flu and pneumococcal pneumonia, especially if you’re in a high-risk group.
  • Good Hygiene: Wash your hands regularly with soap and water, or use an alcohol-based hand sanitizer.
  • Healthy Lifestyle: Eat a balanced diet, exercise regularly, and get adequate sleep to boost your immune system.
  • Avoid Smoking: Smoking damages the lungs and increases the risk of respiratory infections.
  • Limit Exposure: Stay away from sick people or wear a mask in highly infectious environments.
  • Cough or Sneeze Etiquette: Always cover your mouth and nose with a tissue or elbow, and dispose of tissues promptly.
  • Regular Medical Check-ups: Especially for those with chronic illnesses, as they are at a higher risk.
  • Breastfeed Infants: Breastfeeding for the first six months can provide vital antibodies to infants.
  • Environmental Measures: Reduce exposure to environmental pollutants and ensure good ventilation in living spaces.
  • Practice Safe Food Preparation: Cook meats to recommended temperatures and avoid unpasteurized dairy to reduce the risk of foodborne pathogens.

Adhering to these preventive measures can significantly reduce the risk of contracting pneumonia and ensure a healthier respiratory system.

FAQs About Humidifiers and Pneumonia

Is it Safe to Use a Humidifier with Pneumonia?

Yes, it’s safe to use a humidifier with pneumonia, as it can help soothe irritated airways and facilitate mucus thinning.

However, the humidifier should be regularly cleaned to prevent bacterial and mold growth.

Can a Humidifier Cause Pneumonia?

No, a humidifier by itself cannot cause pneumonia. However, if not maintained properly, it can disperse mold, bacteria, and other pathogens into the air, potentially exacerbating respiratory conditions or introducing new infections.

Can a Humidifier Make Pneumonia Worse?

If a humidifier is dirty or contaminated, it can release harmful microorganisms or allergens into the air, which might aggravate pneumonia symptoms.

Regular cleaning and maintenance are essential to prevent this.

Does High Humidity Make Pneumonia Worse?

High humidity can create an environment where mold and bacteria thrive, both of which can aggravate respiratory symptoms.

It’s recommended to maintain indoor humidity levels between 30-50% for optimal comfort and health.

Is a Humidifier Good for Walking Pneumonia?

Yes, a humidifier can be beneficial for walking pneumonia. It adds moisture to the air, which can soothe the respiratory tract and assist in mucus expulsion.

However, like other forms of pneumonia, it’s crucial to ensure the humidifier is clean and well-maintained.

Can a Humidifier Relieve Pneumonia Symptoms?

Absolutely. A humidifier can provide relief by moisturizing the airways, easing cough, facilitating the thinning and expulsion of mucus, and reducing throat irritation. It’s especially helpful in environments where the air is dry.

Is Vicks Humidifier Good for Pneumonia?

Vicks humidifiers, often used with medicated VapoPads, can produce a mentholated vapor that aids in clearing congestion.

While it can provide symptom relief for some, always consult with a healthcare professional before using medicated or aromatic humidifiers for pneumonia.

Our Top Pick
Vicks Filter-Free Ultrasonic Cool Mist Humidifier

A low-maintenance, filter-free humidifier that maintains optimal humidity levels and works with VapoPads to release comforting vapors for easier breathing and a better night's sleep.

If you click this link and make a purchase, we earn a commission at no additional cost to you.

Is a Humidifier Good for COVID Pneumonia?

A humidifier can help in alleviating the respiratory symptoms associated with COVID pneumonia by adding moisture to the air.

However, it’s essential to ensure good hygiene and regular cleaning of the device. It’s also vital to continue following primary medical treatments and guidance from healthcare professionals.

Is Warm Mist Humidifier Good for Pneumonia?

Yes, a warm mist humidifier can be beneficial for pneumonia as it releases steam, adding warmth and moisture to the air.

This can soothe irritated airways and assist in loosening mucus. However, care should be taken around children or pets, as the hot water inside poses a burn risk.

Is a Cool Mist Humidifier Good for Pneumonia?

Definitely. Cool mist humidifiers disperse a cool vapor into the air, increasing humidity levels, which can help in moisturizing dry respiratory passages, making breathing more comfortable and facilitating mucus clearance.

Does a Humidifier Help with Pneumonia Fever?

While a humidifier can aid in respiratory relief for pneumonia, it doesn’t directly impact fever.

However, increased moisture might make the environment more comfortable for someone running a fever. Always consult with a healthcare professional for fever management.

Is It Possible for a Humidifier to Worsen an Infection?

If not cleaned and maintained properly, a humidifier can introduce or spread pathogens like mold, bacteria, and other microbes into the air.

These can exacerbate respiratory conditions or potentially introduce new infections. Regular cleaning and using distilled or demineralized water can help prevent this.

Related: The Best Humidifiers for Lung Health

Final Thoughts

Upon examining the effects of humidifiers for those with pneumonia, it’s evident that they can provide symptomatic relief by easing respiratory discomfort.

However, the importance of maintaining a clean humidifier cannot be overstated, as bacterial or mold growth could exacerbate respiratory problems.

As with all adjunct treatments, it’s essential to consult healthcare professionals to ensure the best outcomes for pneumonia patients.

John Landry, BS, RRT

Written by:

John Landry, BS, RRT

John Landry is a registered respiratory therapist from Memphis, TN, and has a bachelor's degree in kinesiology. He enjoys using evidence-based research to help others breathe easier and live a healthier life.


  • Byber K, Radtke T, Norbäck D, Hitzke C, Imo D, Schwenkglenks M, Puhan MA, Dressel H, Mutsch M. Humidification of indoor air for preventing or reducing dryness symptoms or upper respiratory infections in educational settings and at the workplace. Cochrane Database Syst Rev. 2021 Dec 10
  • Jain V, Vashisht R, Yilmaz G, et al. Pneumonia Pathology. [Updated 2023 Jul 31]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-.

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