Difference Between Ozempic 1mg Per Dose Pen And Ozempic 2mg Per Dose Pen
In our latest question and answer, the pharmacist discusses the difference in drug concentration between two different Ozempic pens.
How can the Ozempic 1 mg pen and the 2 mg pen be the same size and appear to have the same amount of medication?
Jul 21, 2023- Both Ozempic pens contain the same 3mL volume but the 2mg pen has a higher concentration of medication. When you inject either a 1mg or 2mg dose, you're actually injecting the same volume of liquid into your body, just with different amounts of the active drug in that liquid.
Answer
Great question! Thanks for reaching out. You are correct that the Ozempic 1mg dose pen and the 2mg dose pen contain the same volume (3mL per pen). However, the 2mg dose pen is a higher concentration. I've got images of the packaging below that demonstrate this.
As you can see in the above images:
- The 1mg per dose Ozempic pen contains a total of 3mL. The concentration of the pen is 4mg of drug per 3mL (or 4mg/3mL).
- The 2mg per dose Ozempic pen also contains a total of 3mL. The concentration of the pen is 8mg of drug per 3mL (or 8mg/3mL).
So, even though the two different pens are the same 'size' (i.e., contain the same volume of liquid), they are different concentrations.
In fact, based on the concentration of these pens, regardless of whether or not you are injecting 1mg (from the 1mg per dose pen) or the 2mg (from the 2mg per dose pen), you are injecting the same volume of liquid into your body (which comes out to around 0.746 mL).
Final Words
I hope you found this answer helpful!
Thank you!
References & sources
- Ozempic Prescribing Information — AccessFDA
Glossary — Terms in This Answer
- Concentration
- the amount of medicine dissolved in a specific volume of liquid
- Dose
- the specific amount of medicine taken at one time
- Volume
- the amount of space that a liquid takes up, measured in milliliters or other units
- Mg
- milligram, a unit of weight used to measure medicine, equal to one-thousandth of a gram
- ML
- milliliter, a unit of volume used to measure liquids, equal to one-thousandth of a liter
- Injecting
- putting medicine into the body using a needle and syringe or pen device
Dr. Brian Staiger, PharmD
Doctor of Pharmacy, board certified clinical pharmacist (BCPS), American Herbalist Guild, Medication Therapy Management certified
Brian Staiger, PharmD, BCPS, is a licensed pharmacist with more than 13 years of experience across retail pharmacy, clinical pharmacy, medication safety, pharmacy program development, and healthcare administration. He is the founder of HelloPharmacist.com, where he helps patients...
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