Ozempic comes in four dose strengths: 0.25 mg, 0.5 mg, 1 mg, and 2 mg, all given as a once-weekly injection. The maximum approved dose is 2 mg per week. Each strength corresponds to a specific prefilled pen, and you’ll move through them in a set order as your body adjusts to the medication.
The Four Dose Strengths
Every Ozempic dose is a clear, colorless liquid inside a prefilled, disposable pen. The pens are single-patient-use, meaning one pen belongs to one person but delivers multiple weekly doses. Here’s how the pens break down:
- 0.25 mg pen: Contains 2 mg of semaglutide in 3 mL of solution. This pen is unique because it holds enough medication for 4 doses at 0.25 mg plus 2 doses at 0.5 mg, covering the first six weeks of treatment.
- 0.5 mg pen: Also contains 2 mg in 3 mL. Delivers 4 weekly doses of 0.5 mg, so one pen lasts about a month.
- 1 mg pen: Contains 4 mg in 3 mL. Delivers 4 weekly doses of 1 mg.
- 2 mg pen: Contains 8 mg in 3 mL. Delivers 4 weekly doses of 2 mg.
You don’t measure or adjust the dose yourself. The pen’s dial is preset to deliver the correct amount each time you click and inject.
How the Dose Schedule Works
Ozempic follows a step-up schedule designed to reduce side effects, especially nausea. You start low and increase gradually over several weeks.
The 0.25 mg starting dose is not a treatment dose. It does nothing meaningful for blood sugar control. Its only purpose is to let your body get used to the medication. You stay at 0.25 mg for the first 4 weeks, injecting once per week on the same day each week.
After those 4 weeks, you move up to 0.5 mg. This is the first true maintenance dose. Your doctor may keep you here if your blood sugar responds well, or they may increase you further. The next step up is 1 mg, typically after at least another 4 weeks on 0.5 mg. If additional blood sugar control is needed beyond that, the dose can go up to the maximum of 2 mg per week.
Not everyone ends up at 2 mg. Many people get adequate results at 0.5 mg or 1 mg. The right maintenance dose depends on your blood sugar levels and how well you tolerate each increase.
How Ozempic Compares to Wegovy
Both Ozempic and Wegovy contain the same active ingredient, semaglutide. The key difference is dosing. Ozempic maxes out at 2 mg per week and is approved for type 2 diabetes. Wegovy, approved for weight management, goes up to 2.4 mg per week, and a newer formulation called Wegovy HD was recently approved at 7.2 mg. So if you’re taking Ozempic and wondering why your dose tops out where it does, the FDA approval for diabetes simply caps it at a lower level than the weight loss version.
Timing and Missed Doses
You inject Ozempic once a week on the same day, at whatever time is convenient. It doesn’t need to be taken with food. If you forget a dose, you have a 5-day window to take it late. After 5 days, skip that dose entirely and get back on your regular schedule the following week. Don’t double up to make up for a missed injection.
You can change your injection day if needed. Just make sure your next dose is at least 2 days (48 hours) after the last one, then continue on the new day going forward.
Storing Your Pens
Unused pens should stay in the refrigerator. Once you use a pen for the first time, it can be stored at room temperature (between 59°F and 86°F) or kept refrigerated. Either way, an opened pen must be used or discarded within 56 days of first use. That timing works out neatly since each pen holds about 4 weeks of doses, giving you a comfortable buffer.
If an unopened pen accidentally sits outside the fridge, the same 56-day clock starts ticking from the moment it left refrigeration. Don’t freeze Ozempic, and don’t use it if the solution looks cloudy or has particles in it.
Which Pen You’ll Actually Get
Your prescription determines which pen the pharmacy dispenses. If you’re just starting, expect the 0.25 mg pen, which conveniently transitions you through the first six weeks (four weeks at 0.25 mg, then two weeks at 0.5 mg in the same pen). After that, you’ll pick up a separate 0.5 mg pen for the next month, and so on if your dose increases. Each time your dose changes, you’ll need a new prescription or an updated one that reflects the higher strength.