Travel checklist for GLP-1 pens and vials: storage allowances and TSA rules

Two facts decide whether a trip goes smoothly: how long your product may stay out of the refrigerator, and what the airport will let through. Both are published, both are widely misremembered, and both are printed on this sheet so you are not searching for them at a gate.

The storage allowances, from the labels

Every brand product is stored refrigerated at 2 to 8 C (36 to 46 F), must never be frozen, and is discarded if it has been. Beyond that, the allowances differ, and the sheet prints them as a table:

• Wegovy pen, before the cap is removed: 8 to 30 C (46 to 86 F) in the original carton for up to 28 days. The label says to throw the pen away if it has been exposed to temperatures above 30 C or out of the refrigerator for 28 days or longer.
• Ozempic pen after first use: 56 days at 15 to 30 C (59 to 86 F), or refrigerated.
• Zepbound and Mounjaro single-dose pen or vial: up to 30 C (86 F) for a total of 21 days, after which it is discarded.
• Zepbound and Mounjaro multi-dose vial or KwikPen, unopened: if kept at room temperature up to 30 C, discard after 30 days.

"Total" is the word to notice. The 21 days are cumulative across every time the product was out, not 21 days from the start of the trip. The supply and refill tracker has a column for the date a product first came out of the refrigerator for exactly this reason.

A compounded vial is not covered by any of these figures. Its beyond-use date and storage line come from the pharmacy that made it, and the header of the sheet has a space for what they told you. Compounded drugs are not FDA approved and not interchangeable with brand products; their storage data are not the brand's either.

What tsa.gov says

The TSA's medication FAQ and its "What can I bring" entries say four things that matter here. You may bring medically necessary liquids, medications and creams in excess of 3.4 ounces or 100 millilitres in your carry-on bag, in reasonable quantities for your trip. You must declare them to the officer at the checkpoint and remove them from your bag so they can be screened separately. TSA recommends that medication be clearly labelled to make screening easier, which is the argument for the original pharmacy container. And gel or ice packs used to keep medically necessary items cool are allowed regardless of whether they are frozen, slushy or melted, again provided you tell the officer; ordinary frozen items must be solid at screening or meet the 3-1-1 rule. Every one of those pages ends with the same sentence: the final decision rests with the TSA officer.

Packing

Medication in carry-on, never checked; the hold is not temperature controlled and bags go missing. Enough doses for the trip plus one spare. A photo of the pharmacy label or a copy of the prescription. An insulated case, gel packs and a small thermometer so that you know, rather than hope, what temperature the case held. Needles, swabs and a travel sharps container. The dose log page for the dates away, and the prescriber's and pharmacy's numbers.

Abroad and across time zones

Check the destination country's rules on bringing prescription injectables in; embassies publish them. Ask your prescriber whether a large time-zone shift changes your injection day; the Zepbound label allows a change of day if the two doses are at least 3 days apart, and other labels have their own rules, so the answer is your prescriber's, not this sheet's. The FormBlends Guides site has a longer piece on travelling with medication if you want the reasoning behind the list.