Syringes & Needles
Syringes and needles are allowed in carry-on when accompanied by injectable medication like insulin.
Carry-on
Allowed with conditions
Checked
Allowed
Carry-on details
Allowed when accompanied by injectable medication. TSA permits unused syringes and needles in carry-on in unlimited quantities as long as they're traveling with the injectable medication they're used for, such as insulin. Declare your syringes, needles, and medication to the TSA officer at the checkpoint before screening begins — they're exempt from the standard liquids rule but may get extra screening.
Checked-bag details
Allowed, but carry-on is strongly recommended instead. Keeping syringes with your medication (like insulin) means both stay with you and avoid cargo-hold temperature swings, and you'll have them on hand if you need to self-inject during the flight.
Special instructions
A prescription label or doctor's note isn't required, but it can speed up screening. Using a hard-sided sharps disposal container for used needles is recommended, both for security screening and for safe disposal.
Related rules
FAQ
- Can I bring syringes on a plane without medication?
- TSA's exception for unlimited syringes applies when they're accompanied by injectable medication, such as insulin. Syringes without any accompanying medication are more likely to draw extra scrutiny, so it's best to travel with both together.
- Do I need to declare syringes at the TSA checkpoint?
- Yes. Declare your syringes and the medication they go with to the TSA officer before screening starts, the same way you would for any medically necessary liquid or gel.
- How should I dispose of used needles while traveling?
- A travel-size hard-sided sharps container is the safest way to carry used needles, both for TSA screening and for proper disposal at your destination.
Related items
Source: TSA — What Can I Bring? · Last verified: 2026-07-31
Final decision rests with the security officer at the checkpoint.