Struggling to find Cyltezo at your pharmacy? Learn why this Humira biosimilar can be hard to locate and what you can do to get your prescription filled.
You've got your prescription in hand. Your doctor said Cyltezo would work just like Humira — and at a lower cost. But when you call your pharmacy, they don't have it. You try another pharmacy. Same story. What's going on?
Cyltezo (Adalimumab-adbm) is an FDA-approved biosimilar to Humira made by Boehringer Ingelheim. It was actually the first adalimumab biosimilar to earn an interchangeable designation from the FDA, meaning pharmacists can substitute it for Humira without needing to call your doctor first (depending on state laws). That should make it easy to get, right? Unfortunately, the reality is more complicated.
Cyltezo is a biologic medication that works by blocking tumor necrosis factor alpha (TNF-α), a protein that drives inflammation in autoimmune diseases. It's FDA-approved for nine conditions, including:
It's given as a subcutaneous injection, usually every other week. Cyltezo is citrate-free, which many patients find less painful at the injection site compared to some other adalimumab products.
There are several reasons why your pharmacy might not have Cyltezo on the shelf. Here are the main ones:
Insurance companies and pharmacy benefit managers (PBMs) negotiate deals with drug manufacturers. Some PBMs have chosen to put a different adalimumab biosimilar on their preferred formulary instead of Cyltezo. For example, in 2025, Optum Rx removed Cyltezo from its preferred list in favor of Amjevita. If your insurance plan doesn't prefer Cyltezo, your pharmacy may not stock it because demand at that location is low.
There are now more than 10 adalimumab biosimilars on the U.S. market, including Amjevita, Hyrimoz, Hadlima, Yuflyma, Hulio, and others. Pharmacies — especially large chains — typically only stock one or two versions. If your pharmacy carries Amjevita or Hyrimoz, they may not carry Cyltezo at all.
Biologic medications like Cyltezo are often dispensed through specialty pharmacies rather than your local retail pharmacy. Your doctor's office or insurance company may direct you to a specific specialty pharmacy. If you're calling regular retail pharmacies, they may not carry Cyltezo because it's a specialty drug with specific storage requirements.
Availability can vary significantly depending on where you live. Urban areas with more pharmacies tend to have better access, while rural areas may have fewer options. Distributor contracts and regional formulary preferences also play a role.
Don't give up. Here are practical steps to locate your medication:
Instead of calling pharmacies one by one, use Medfinder to check which pharmacies near you have Cyltezo in stock. It saves you time and frustration by showing real-time availability.
If your insurance plan prefers a different biosimilar, your doctor may be able to switch your prescription to one that's more readily available. Check out our guide to alternatives to Cyltezo to learn more about your options.
Call the number on the back of your insurance card and ask which adalimumab products are on your formulary. They can also tell you which specialty pharmacies are in your network and may be able to help you locate Cyltezo.
Independent pharmacies are often more willing to special-order medications for you. Specialty pharmacies that focus on biologics may also have Cyltezo readily available.
Boehringer Ingelheim offers support through their Cyltezo Savings and Support program. They may be able to help you find a pharmacy that carries Cyltezo or connect you with a specialty pharmacy. Visit patient.boehringer-ingelheim.com for more details, or read about savings programs for Cyltezo.
Finding Cyltezo can feel like an uphill battle, but it's not impossible. The main obstacles — formulary preferences, market competition, and specialty distribution — are systemic issues that affect many biologic medications. The good news is that there are tools and resources to help you get your prescription filled.
Start by using Medfinder to search for pharmacies with Cyltezo in stock near you. If Cyltezo isn't available, talk to your doctor about whether a different adalimumab biosimilar might work for you. And don't forget to explore savings programs — many patients pay little to nothing out of pocket with the right assistance.
Your health shouldn't depend on which pharmacy you happen to call first. Use the tools available to take control of your treatment.
You focus on staying healthy. We'll handle the rest.
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