Nebulizer
Nebulizers are allowed in carry-on and checked baggage, and the medication used with them is exempt from the standard liquids limit.
Carry-on
Allowed
Checked
Allowed
Carry-on details
Allowed. Nebulizers, along with facemasks and tubing, can go in your carry-on and travel through the X-ray in their carrying case; an officer may still inspect the device by hand or swab it for explosive-trace testing. Liquid nebulizer medication is exempt from the standard 3.4 oz (100 ml) limit in reasonable quantities for your trip — declare it to the officer at the start of screening.
Checked-bag details
Allowed, but pack your nebulizer in carry-on if you might need it during your trip. Checked bags can be delayed or lost, and cargo-hold temperatures aren't controlled.
Special instructions
Carry your nebulizer's technical instructions and your medication's prescription information in case an officer asks about them. Devices powered by lithium batteries should stay in carry-on.
Related rules
FAQ
- Is nebulizer medication exempt from the 3-1-1 liquids rule?
- Yes. Liquid medication used with a nebulizer is treated as a medically necessary liquid and is exempt from the standard 3.4 oz limit, as long as you declare it at the checkpoint.
- Can I bring a portable, battery-powered nebulizer?
- Yes. Keep it in carry-on if it runs on a lithium battery, since spare lithium batteries aren't allowed in checked bags.
Related items
Sources: TSA — What Can I Bring?, FAA — PackSafe (Hazardous Materials) · Last verified: 2026-07-30
Final decision rests with the security officer at the checkpoint.