A suction bulb works by squeezing air out first, then releasing it to create vacuum that pulls fluid into the bulb. The technique is simple but has a specific order of steps that matters. Most people searching for this are clearing a baby’s congested nose, so that’s where we’ll start, followed by instructions for surgical drain bulbs, which work on the same principle but with a few key differences.
Before You Start: Positioning Your Baby
Lay your baby on their back with their head facing the ceiling. Babies will squirm during suctioning, so either have someone gently hold them in place or swaddle them with arms at their sides. If your baby has a lot of mucus pooling in the throat, tilt them so the head is slightly lower than the chest. This lets gravity help the fluid drain forward rather than back toward the airway.
Step-by-Step Nasal Suctioning
If your baby has thick, dried mucus, a couple of saline drops in each nostril before suctioning can loosen things up and make the process faster. Give the drops a moment to work before you begin.
Here’s the full sequence:
- Squeeze the bulb first. Press all the air out of the bulb and keep it squeezed. This is the most important step. If you insert the bulb before squeezing, you’ll blow air and mucus deeper into the airway.
- Insert the tip gently. With the bulb still compressed, place the tip just inside one nostril. You don’t need to push it deep.
- Release the bulb slowly. Let go so the bulb re-expands on its own. The suction will pull mucus out of the nose and into the bulb.
- Remove and empty. Take the bulb out of the nostril, then squeeze the mucus onto a tissue or cloth.
- Repeat on the other side. Do the same for the second nostril.
You can repeat the process two or three times per nostril if there’s still visible congestion, but avoid overdoing it. Even gentle suctioning can irritate the delicate lining inside the nose, causing minor swelling that actually makes congestion worse. Occasional small amounts of bleeding are possible with repeated suctioning, which is a sign to stop.
Suctioning the Mouth
If your baby is choking on mucus or has fluid pooling in the mouth, suction the mouth before the nose. Aim the tip toward the inside of the cheek rather than the center or back of the mouth. Placing it in the middle of the mouth can trigger gagging and vomiting, which creates a bigger problem than the mucus itself. The same squeeze-first rule applies: always compress the bulb before placing it in the mouth.
Cleaning the Bulb Syringe
After each use, squeeze the bulb several times in warm soapy water, drawing the water in and pushing it back out to flush the inside. Rinse with clean water the same way and let it air dry with the tip pointing down so water drains out. Mold can grow inside the bulb if moisture stays trapped, and you can’t see inside to check. For this reason, the manufacturer’s recommendation is that bulb syringes are technically single-use items. In practice, most families reuse them, but replacing the bulb regularly (especially during an illness) is a reasonable precaution. If you notice any discoloration or smell, throw it out.
Using a Surgical Drain Bulb
Surgical drain bulbs, like those attached to Jackson-Pratt (JP) drains after surgery, rely on the same squeeze-and-release vacuum principle but require a slightly different routine. These bulbs stay compressed to maintain constant gentle suction on the wound site, and you empty them on a schedule.
Clearing the Tubing
Before emptying, you need to clear any clots from the drainage tube. Hold the tubing firmly near where it exits the skin with one hand so you don’t accidentally tug the drain. With your other hand, pinch and slide down the length of the tube to push any clots toward the bulb. This is sometimes called stripping or milking the tube.
Emptying and Reactivating Suction
Point the bulb’s opening away from you and uncap it. Squeeze the collected fluid into a measuring cup so you can track how much is draining. Record the amount each time, since your surgical team will use these numbers to decide when the drain can come out. Once the bulb is empty, keep it squeezed flat, then cap it while it’s still compressed. This re-creates the vacuum that pulls fluid from the surgical site. If you let the bulb expand before capping, there’s no suction and the drain won’t work properly.
Pin or tape the drain securely to your clothing so it doesn’t dangle or pull at the insertion site. Most people find it easiest to clip the bulb to the inside of a shirt or to a lanyard around the neck when showering or moving around.
Common Mistakes to Avoid
The single most common error with any suction bulb is forgetting to squeeze it before inserting. With a baby, this can push mucus further into the airway. With a surgical drain, releasing the cap before squeezing means the vacuum is lost and fluid won’t drain.
For infant suctioning, going too deep or too often causes more harm than good. The tip only needs to enter the edge of the nostril, and suctioning should be reserved for times when congestion is clearly interfering with breathing or feeding. Routine suctioning “just in case” can cause irritation, swelling, and even minor bleeding.
For surgical drains, the key mistake is not keeping the bulb compressed when you recap it. A round, expanded bulb after capping means there’s no suction happening. Squeeze it flat, cap it, and confirm it stays flat. If it slowly re-expands on its own, the cap isn’t sealed properly.