Does Ozempic Need To Be Refrigerated? 2026 Complete Storage Guide

Yes, unopened Ozempic (semaglutide) pens must be refrigerated. Because semaglutide is a protein-based peptide, it requires specific temperature-controlled storage to maintain its potency and safety.

TL;DR – Summary

• Unopened Ozempic pens must be refrigerated at 36°F-46°F (2°C-8°C) until first use.
• After first use, store at room temperature (59°F-86°F / 15°C-30°C) or in the fridge for up to 56 days. 
• Never freeze Ozempic.
• Discard the pen after 56 days, even if medication remains.
• When traveling, keep Ozempic in your carry-on with an insulated cooler bag.

Ozempic Storage Rules 2026

According to the FDA-approved label, unopened pens must stay in the refrigerator between 36°F and 46°F (2°C to 8°C) until first use. Do not place pens directly next to the cooling element, as this can cause accidental freezing. Keep the pen cap on and store pens out of direct light.

Unopened Ozempic Storage

Unopened Ozempic pens must be refrigerated. Store them between 36°F and 46°F (2°C to 8°C) from the time they leave the pharmacy until you administer your first dose. When stored correctly in the refrigerator, unused pens remain effective until the expiration date printed on the label. Avoid storing pens in the refrigerator door temperature fluctuations from frequent opening can compromise the medication.

Opened Ozempic Storage (After First Use)

After first use, Ozempic does not need to stay in the fridge. You may store your opened pen at room temperature between 59°F and 86°F (15°C to 30°C), or continue keeping it in the refrigerator either way, the pen must be discarded after 56 days (8 weeks) from the date of first use, even if medication remains. Before each injection, visually inspect the solution: it should be clear and colorless. If it appears cloudy, discolored, or contains particles, do not use it discard the pen and use a new one.

What Happens If Ozempic is Left Unrefrigerated?

Exposure to temperatures outside the recommended range can break down semaglutide’s protein structure, reducing its ability to lower blood sugar levels. 

Using a degraded pen may lead to inadequate glycemic control, putting you at risk for complications such as hyperglycemia or, in severe cases, diabetic ketoacidosis. If your Ozempic has been exposed to extreme heat (above 86°F) or any freezing, do not use it contact your healthcare provider or pharmacy for a replacement pen.

Additionally, improperly stored medication may increase the risk of injection-site reactions or other side effects. Always err on the side of caution: if you are unsure whether your pen was stored correctly, consult your pharmacist or doctor before using it.

Traveling With Ozempic Without Refrigeration

The TSA permits medically necessary liquids and injectable medications through airport security, including Ozempic pens, syringes, and cooling packs. You should declare these items at the security checkpoint for inspection. The American Diabetes Association also confirms that travelers may bring an unlimited number of unused syringes when accompanied by injectable medication.

Quick Tips For Travelling

• Always pack Ozempic in your carry-on bag never in checked luggage, where temperatures in the cargo hold can swing to extremes. 
• Use a medical-grade insulated cooler with frozen gel packs for unopened pens. 
• Keep your pen away from direct sunlight and never leave it in a hot car. 
• Carry a copy of your prescription or a letter from your healthcare provider for international travel.

What If I Forgot To Refrigerate Ozempic?

If you accidentally left an unopened pen out of the refrigerator for less than 24 hours, inspect the solution if it is clear and free of particles, it is generally safe to place it back in the fridge and use it. 

However, if the pen was left out for more than 24 hours, it is best to consult your healthcare provider or pharmacist before use; in most cases, you should discard it.

For an opened pen, there is no daily time limit for being out of the fridge the 56-day clock starts from the date of first use, regardless of whether the pen is stored at room temperature or in the refrigerator. If your pen is still within that 56-day window and the solution looks normal, it remains safe to use.

Ozempic Left Out Overnight?

If your unopened pen was left out overnight (less than 24 hours), it is still considered safe to use as long as the solution is clear. Place it back in the refrigerator promptly. For opened pens, being left at room temperature overnight is not a problem opened pens are already approved for room temperature storage up to 56 days from first use.

Citations

1. Ozempic FDA Prescribing Information (2024)
2. Novo Nordisk – Ozempic Prescribing Information
3. Ozempic.com – How to Use the Ozempic Pen
4. Novo Nordisk Medical – GLP-1 RAs Storage & Stability
5. TSA – What Can I Bring (Medical)
6. TSA – Unused Syringes Policy
7. American Diabetes Association – What Can I Bring on a Plane
8.  CDC Yellow Book – Traveling with Medications