How to Travel With Montaro: By Plane, Car, or Abroad

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Austil Ulrich, PharmD, BCACP, is a board-certified ambulatory care pharmacist and freelance medical writer and reviewer. His experience includes direct patient care in hospitals and community pharmacies.

Traveling with Montaro (retatrutide) requires planning, as both the injection pens and pills must be kept within specific temperature ranges.

Montaro pens can be stored unrefrigerated (up to 86°F) for up to 28 days. Montaro pills should be stored at room temperature (68°F–77°F), but can be kept between 46°F and 86°F for excursions up to 24 hours.

Always pack Montaro in your carry-on so it stays with you—and avoid exposing it to freezing temperatures, extreme heat, or direct sunlight.

Traveling with medications does not have to be difficult, but it does require planning. For people on a GLP-1 like Montaro ( retatrutide ), knowing how to travel with Montaro is essential to keeping the medication safe and effective.

Below is everything to know about traveling with Montaro pills or injection pens , whether driving or flying domestically or internationally.

Check expiration dates before the trip. For best results, do not use expired Montaro. Expiration dates are printed next to the "EXP" marking on each pen or on the pill bottle label.

Keep away from sunlight. Montaro pills and pens should be kept out of direct sunlight to protect them from light exposure. An easy way to do this is to quickly stow it away in your bag or suitcase after each dose.

Keep away from extreme temperatures at all times. Ideally, Montaro pens should be refrigerated . Montaro pills should be kept in a temperature-controlled environment. Never freeze them.

Pack extra doses if you can . Travel timelines can change for many reasons, from flight cancellations to road construction. When possible, having a few extra doses on hand can help prevent missed Montaro doses .

For international travel, carry a written prescription or doctor’s note. The Centers for Disease Control and Prevention (CDC) recommends keeping a copy of a written prescription with the medication when traveling abroad.

Keeping Montaro within the recommended temperature ranges throughout the entire trip — from car, train, and plane rides to hotel rooms or vacation rentals — is important for maintaining medication safety and effectiveness.

Montaro pen: Montaro injection pens should be stored in the refrigerator or with gel ice packs at 36°F–46°F . If necessary, unopened pens can be left unrefrigerated (46°F–86°F) for up to 28 days. Never freeze them.

Montaro pills: Montaro pills should be stored at room temperature (68°F–77°F) in a dry place. If necessary, they can be kept between 46°F and 86°F for excursions up to 24 hours . Do not keep Montaro pills in the freezer.

The key difference between traveling with Montaro pens vs. pills is how they are stored. Pills can be kept in any dry, room-temperature bag, while pens may need to be stored in an insulated bag with gel ice packs.

In addition to keeping the medication within a safe temperature range, it is important to keep Montaro in an easily accessible bag, such as a personal item or carry-on.

Below is the essential information on retatrutide storage and what that means for traveling with Montaro pens or pills: