Using a nebulizer machine involves filling a small cup with liquid medication, connecting it to a compressor with tubing, and breathing in the medicated mist through a mouthpiece or mask. A typical treatment takes about 10 to 15 minutes and delivers medication directly to your lungs, making it easier to breathe during asthma flare-ups, COPD episodes, or other respiratory conditions.
Parts of a Nebulizer
A standard nebulizer kit has four main components: the compressor (the base unit that generates airflow), flexible tubing, a medication cup, and a mouthpiece or face mask. The compressor draws in room air, pushes it through the tubing, and forces it into the medication cup, where the liquid is converted into a fine, breathable mist. Most compressors also have a small air filter on the back or underside that blocks dust and particles from entering the machine. You’ll want to check this filter regularly because a clogged one can weaken the mist output.
Mouthpieces work well for older children and adults who can seal their lips around the opening. Face masks are better for young children, infants, or anyone who has trouble holding a mouthpiece steady. Both attach to the top of the medication cup.
Step-by-Step Setup
Start by washing your hands. Then gather your medication, the nebulizer cup, tubing, and mouthpiece or mask.
- Connect the tubing. Plug one end of the tubing into the air outlet on the compressor. Make sure it clicks or fits snugly so air doesn’t leak.
- Fill the medication cup. Open the cup and pour in the prescribed dose of liquid medication. If you’re using a pre-measured vial (sometimes called a unit dose), twist or snap it open and empty the full contents into the cup. If your medication needs to be mixed with saline, add that too. Replace the cup’s top piece securely.
- Attach the mouthpiece or mask. Connect the assembled medication cup to the other end of the tubing, then snap your mouthpiece or mask onto the top of the cup.
- Turn on the compressor. You should see a light, visible mist rising from the mouthpiece almost immediately. If no mist appears, check that all connections are tight and the tubing isn’t kinked.
Breathing Technique During Treatment
Sit upright in a comfortable chair. Slouching compresses your lungs and reduces how deeply the medication can travel into your airways. Place the mouthpiece between your lips and seal them around it, or press the mask gently over your nose and mouth so there are no gaps along the edges.
Breathe normally through your mouth for most of the session. Every fifth breath or so, take a slow, deep breath in and hold it for two to three seconds before exhaling. This pause gives the medication extra time to settle deeper into your airways, where it’s most effective. Continue this pattern until the cup stops producing mist or you hear a sputtering sound, which means the medication is nearly gone. Most treatments finish in 10 to 15 minutes.
If you feel dizzy or lightheaded at any point, turn off the machine, rest for a minute, and then resume. This can happen from breathing too deeply too quickly.
Using a Nebulizer With Children
For infants and toddlers, use a properly sized pediatric face mask rather than a mouthpiece. The mask should fit snugly over the nose and mouth without covering the eyes. A loose-fitting mask lets medicated mist escape into the air instead of reaching the lungs, which means your child gets a smaller dose than prescribed.
Holding a squirming child still for 10 to 15 minutes is the real challenge. Try running the nebulizer during a calm activity: watching a favorite show, reading a book together, or sitting in a high chair with a snack nearby. Some parents find it helps to let the child hold the mask themselves or decorate the machine with stickers so it feels less intimidating. Mesh nebulizers, which are quieter and lighter than standard compressor models, can also make the experience less stressful for young kids.
Three Types of Nebulizers
Jet nebulizers are the most common type. They use compressed air to turn liquid into mist and are inexpensive and durable. The downsides: they’re noisy, need to be plugged into a wall outlet, and leave behind a small amount of medication in the cup that never gets nebulized (called residual volume).
Ultrasonic nebulizers use high-frequency vibrations instead of compressed air to create mist. They produce a higher output of mist and run more quietly, but they generate heat during operation, which can degrade certain medications. They also don’t work well with suspension-type medications that contain particles rather than dissolved solutions.
Mesh nebulizers are the newest option. A tiny vibrating plate with thousands of laser-drilled holes pushes liquid through to create an extremely fine mist. They’re portable, battery-powered, nearly silent, and waste very little medication. They can even nebulize very small volumes. The trade-off is cost: mesh nebulizers are significantly more expensive, and the mesh plate requires careful cleaning to prevent clogging.
Cleaning After Every Use
Rinse the mouthpiece or mask, the top piece, and the medication cup with warm water immediately after each treatment. Shake off excess water and let the parts air dry on a clean towel. Skip the tubing for daily cleaning, but wipe down the outside of it along with the compressor surface using a damp cloth or disinfectant wipe.
Once a week, do a deeper clean. Soak the mouthpiece or mask, top piece, and medication cup in a solution of white vinegar and water for 30 minutes (a 1:1 ratio works for most devices, but check your manufacturer’s instructions). Rinse thoroughly with clean water afterward and let everything air dry completely before reassembling. Never store nebulizer parts while they’re still damp, as moisture trapped inside the cup or mask creates an environment where bacteria and mold thrive.
Replace the air filter according to your device’s manual. A discolored or dusty filter restricts airflow and can introduce odors into the mist.
Troubleshooting Common Problems
If your nebulizer produces no mist or only a weak mist, start by checking the tubing. Look for kinks, loose connections at either end, or visible clogs. Disconnect the tubing from the medication cup and run the compressor for a few seconds. If you feel strong airflow from the tubing, the problem is likely a dirty or clogged medication cup. Clean it and try again. If airflow is weak from the tubing itself, inspect or replace the air filter on the compressor.
Water or condensation inside the tubing is normal, especially in humid environments. Disconnect the tubing and run the compressor briefly to blow it dry before your next treatment. If you notice a strange smell coming from the mist, that’s usually a sign the air filter needs replacing or the nebulizer parts weren’t dried properly after cleaning. Replace the filter, do a full vinegar soak of the removable parts, and make sure everything dries completely before the next use.
Tubing and medication cups wear out over time. Most manufacturers recommend replacing the nebulizer kit (cup, tubing, and mouthpiece) every six months, or sooner if you notice cracking, discoloration, or persistent residue that won’t wash away.