Azasan Can Be Expensive — But You Have Options

If you've seen the price tag on Azasan (Azathioprine) without insurance, you know it can be a shock. Brand-name Azasan can cost $340 to $500 or more for a single month's supply. Even if you have insurance, copays and prior authorization requirements can add up.

The good news? There are multiple ways to save on Azasan and generic Azathioprine. In this guide, we'll break down the actual costs, explain your savings options, and help you find the most affordable way to fill your prescription in 2026.

How Much Does Azasan Cost Without Insurance?

Let's look at the numbers:

• Brand-name Azasan 100 mg (30 tablets): $340 to $500 at full retail price
• Brand-name Azasan 75 mg (30 tablets): $280 to $420 at full retail price
• Generic Azathioprine 50 mg (30 tablets): $30 to $70 at full retail price
• Generic Azathioprine 50 mg (30 tablets with coupon): $6 to $15

That's a massive difference. Brand-name Azasan can cost 20 to 50 times more than generic Azathioprine with a discount coupon. If your doctor has prescribed brand-name Azasan, ask whether the generic would work for you — it contains the exact same active ingredient and is rated as therapeutically equivalent by the FDA.

To understand more about this medication, check out our guide on what Azasan is and how it works.

Prescription Discount Coupons and Cards

Prescription discount services are one of the easiest ways to save on generic Azathioprine. These are free to use and can reduce your cost dramatically — even if you have insurance (though coupon prices may not count toward your deductible).

Top Coupon Services for Azathioprine

• GoodRx: Generic Azathioprine 50 mg (30 tablets) for as low as $6 to $10 at select pharmacies. The GoodRx Gold membership may offer even deeper discounts.
• SingleCare: Generic Azathioprine from approximately $8 to $15 for 30 tablets. Brand-name Azasan 100 mg from about $343 (still the full retail but may vary by pharmacy).
• RxSaver: Compare prices across pharmacies near you and find coupons for Azathioprine.
• Optum Perks: Discount coupons for generic Azathioprine with prices varying by location.
• BuzzRx: Free discount card with savings on Azathioprine at most major pharmacies.
• ScriptSave WellRx: Compare Azathioprine prices by pharmacy and access discount coupons.

How to use coupons: Visit the coupon provider's website, search for "Azathioprine" (or "Azasan" for brand), select your dose and quantity, and either print the coupon or show it on your phone at the pharmacy. The pharmacist applies the coupon at the point of sale.

Pro tip: Prices vary significantly between pharmacies, even with the same coupon. Always compare prices at 3–4 pharmacies before filling. Warehouse pharmacies like Costco and Walmart often have the lowest prices.

Patient Assistance Programs (PAPs)

If you're uninsured or underinsured and can't afford your medication, patient assistance programs may be able to provide Azasan at little or no cost.

Salix Pharmaceuticals Patient Assistance Program

Salix Pharmaceuticals, the maker of Azasan, offers a patient assistance program for eligible patients. To qualify, you typically need to:

• Be a U.S. resident
• Have no prescription drug coverage (or inadequate coverage)
• Meet income eligibility requirements (usually below 200–400% of the Federal Poverty Level)

Contact Salix at 1-800-321-4576 for more information and to request an application.

NeedyMeds

NeedyMeds maintains a database of patient assistance programs, state programs, and discount drug cards. Search for "Azathioprine" or "Azasan" to find available programs.

RxAssist

RxAssist is another comprehensive database of patient assistance programs organized by drug and manufacturer.

RxHope

RxHope helps patients connect with pharmaceutical company assistance programs and provides application support.

Other Ways to Save on Azasan

Switch to Generic Azathioprine

This is the single biggest cost-saving move. If you're currently taking brand-name Azasan (75 mg or 100 mg), ask your doctor about switching to generic Azathioprine. The savings can be enormous:

• Brand Azasan 100 mg: ~$340–$500/month
• Generic Azathioprine 50 mg (equivalent dose: 2 tablets): ~$6–$15/month with coupon

That's a potential savings of $325 to $485 per month — or $3,900 to $5,820 per year.

Use a Warehouse or Mail-Order Pharmacy

Warehouse pharmacies like Costco and Sam's Club often have lower cash prices for generic medications. You don't need a warehouse membership to use their pharmacy in most states.

Mail-order pharmacies — through your insurance plan or independent services — can also offer lower prices and the convenience of automatic refills delivered to your door.

Compare Pharmacy Prices

Don't assume all pharmacies charge the same price. The cash price for the same medication can vary by $20 to $50 or more between pharmacies in the same zip code. Use Medfinder or a coupon service to compare prices before you fill.

Check Your Insurance Formulary

If you have insurance, check your plan's formulary to see where Azathioprine falls:

• Preferred generic tier: Typically $0–$15 copay
• Non-preferred brand: Azasan may require prior authorization and have a higher copay ($30–$75 or more)

If your plan requires prior authorization for Azasan, your doctor's office can submit the paperwork. This process usually takes 1–5 business days.

Ask About 90-Day Supplies

Many insurance plans and pharmacies offer a discount for filling a 90-day supply instead of 30 days. This can save you money on copays and reduce the number of pharmacy trips. Ask your pharmacist or insurance plan about this option.

Final Thoughts

Azasan doesn't have to break the bank. The generic version — Azathioprine — is one of the most affordable immunosuppressants available, especially with a discount coupon. If you're paying more than $15 per month for generic Azathioprine, you're likely overpaying.

Here's your action plan:

1. Ask your doctor about generic Azathioprine if you're on brand-name Azasan
2. Compare prices using GoodRx, SingleCare, or Medfinder
3. Apply for patient assistance if you're uninsured or underinsured
4. Check your insurance formulary for the lowest copay option
5. Consider 90-day fills and warehouse pharmacies for additional savings

For more information on finding Azasan in stock, read our guides on how to find Azasan near you and the 2026 shortage update. If you're concerned about side effects, see our article on Azasan side effects.