How to Find Dexmethylphenidate/Serdexmethylphenidate (Azstarys) In Stock Near You (Tools + Tips)

Azstarys — the brand name for dexmethylphenidate/serdexmethylphenidate — is a once-daily ADHD medication that provides all-day symptom control. But because it's a brand-only medication with no generic alternative, many pharmacies don't stock it regularly. If you're struggling to find it, this guide walks you through the most effective tools and strategies for 2026.

Why Is Azstarys Sometimes Hard to Find?

Azstarys contains dexmethylphenidate and serdexmethylphenidate — a novel prodrug that has no generic equivalent. This means pharmacies must order and stock a brand-only product. Smaller pharmacies often don't order brand-only Schedule II stimulants unless there is consistent demand. The broader ADHD medication demand surge that began in late 2022 also creates ripple effects across all stimulant medications, including Azstarys.

For a full breakdown of the reasons Azstarys can be hard to find, read our explainer: Why Is Azstarys So Hard to Find?.

Step 1: Use medfinder to Search Pharmacies Near You

The fastest way to find Azstarys in stock is to use medfinder. medfinder calls pharmacies near you to check which ones have your specific medication and dosage in stock. Here's how it works:

Enter your medication name (Azstarys or dexmethylphenidate/serdexmethylphenidate) and dosage strength.

Enter your ZIP code or city.

medfinder calls local pharmacies on your behalf to check stock — so you don't have to make dozens of calls yourself.

You receive the results via text message, showing which pharmacies have it in stock and can fill your prescription.

This saves hours of frustrating phone calls and eliminates the need to physically drive to multiple pharmacies.

Step 2: Call Pharmacies Directly (in the Right Order)

If you prefer to call yourself, here's the smart approach:

Start with large chain pharmacies (CVS, Walgreens, Walmart, Costco) — they generally have higher purchasing volumes and may maintain stock of brand-only stimulants like Azstarys.

Ask for the pharmacy technician or pharmacist — front-of-store staff often can't check controlled substance inventory.

Be specific: give them the exact drug name and strength (e.g., "Azstarys 39.2 mg/7.8 mg capsules").

Try independent pharmacies too — they may use different wholesalers and sometimes have medications that chains are out of.

Step 3: Time Your Refill Strategically

Pharmacy inventory for controlled substances is replenished on predictable schedules. Most pharmacies receive shipments from their wholesalers early in the week — Monday through Wednesday. Try to fill your Azstarys prescription on a Tuesday or Wednesday morning, right after a delivery is likely to have arrived. Avoid Friday afternoons and weekends, when stock is most likely to be depleted.

Step 4: Ask Your Prescriber to Send the Prescription Directly to a Pharmacy With Stock

In most states, Schedule II prescriptions for Azstarys must be sent electronically (EPCS) or issued on a written prescription — they can't be called in. But once you've identified a pharmacy that has stock, your prescriber can send the electronic prescription directly to that location. Call your prescriber's office as soon as you find a pharmacy with availability.

Step 5: Check Pharmacy Apps and Websites

Some pharmacy chains provide online inventory-checking tools through their apps or websites. CVS, Walgreens, and Walmart all have pharmacy sections on their apps. While they may not always show controlled substance availability specifically, it's worth checking. Some third-party apps also aggregate pharmacy stock information — though these are not always up-to-date for Schedule II medications.

Step 6: Contact Your Insurance Company for Help

If Azstarys is covered by your insurance plan, your insurer may be able to direct you to a preferred in-network pharmacy that stocks it. Some insurance companies have access to pharmacy inventory systems that aren't publicly visible. Call the number on the back of your insurance card and ask specifically about pharmacy availability for Azstarys.

Step 7: Consider a Mail-Order Pharmacy

Mail-order pharmacies — especially those affiliated with major insurance plans — often maintain larger inventory of specialty and brand-only medications like Azstarys. If your plan covers mail-order, this can be a reliable way to ensure you receive your monthly supply. Note that Schedule II controlled substances can be dispensed via mail order in most states, though regulations vary.

What If I Still Can't Find Azstarys?

If Azstarys is consistently unavailable in your area, talk to your prescriber about alternatives. Focalin XR (dexmethylphenidate ER) contains the same active ingredient and is available as a low-cost generic. Other options include Vyvanse (lisdexamfetamine), Concerta (methylphenidate ER), or non-stimulant medications like Strattera or Qelbree. See our full guide: Alternatives to Azstarys If You Can't Fill Your Prescription.