How much does Cayston cost without insurance?

Live cash prices for Cayston 75mg are verified within the last 72 hours — see the table above for the current cheapest source.

What pharmacy has the cheapest Cayston?

Cost Plus Drugs and Costco typically have the lowest cash price for generic Aztreonam Inhalation. CVS and Walgreens are the most expensive. Exact rankings update live above.

Is there a real Cayston coupon?

Yes. The GoodRx coupon for Aztreonam Inhalation is free and accepted at most US pharmacies. We also show the cash price at Cost Plus and Costco, which is often lower than any coupon.

Do I need to sign up to use the Cayston coupon?

No. The GoodRx coupon is free and works without an account. Show it to the pharmacist at the counter — no insurance, no signup, no email.

What is the cash price for Cayston without a coupon?

Cash price for generic Aztreonam Inhalation averages $0.00 at Cost Plus, 0.00 at Costco. Brand averages $3953.79.

Asthma / COPD

Cayston

Name: Cayston 75mg (Aztreonam Inhalation)
Brand: Cayston
SKU: cayston
Availability: InStock

Aztreonam Inhalation · 75mg · solution · qty 28

Long-term asthma or COPD control.

See live brand prices →🔔 Price alert

Live verified prices

Fetching live quotes…

Common uses & information

Cayston is a brand of Aztreonam Inhalation, a asthma / copd medication supplied as solution in a 75mg strength. It is commonly used for long-term asthma or COPD control.

Got questions?

Chat available now

Want to dig deeper on Cayston 75mg?

Ask about generic alternatives, coverage, dosing, or have an agent widen the search to other pharmacies near you.

Price summary

Form	Class	Brand avg	Generic avg	Savings
solution 75mg	Rx	$3953.79	see live prices above	—

Clinical information

Clinical content reviewed by the BetterBuyRx clinical team. Read the full wiki entry and sources →

Manufacturer & patient assistance programs

For patient assistance, check NeedyMeds and RxAssist.

FAQ

Is generic Aztreonam Inhalation the same as Cayston?

Yes. The FDA requires generics to contain the same active ingredient at the same strength as the brand. Inactive ingredients (binders, dyes) may differ.

How much can I save by choosing the generic?

Currently no FDA-approved generic equivalent exists for Cayston, so the brand and generic prices are similar.

Do I need insurance to get this price?

No. The prices shown on BetterBuyRx are cash prices. Often these beat insurance copays for generics.

How often is this price updated?

At minimum every 72 hours. Many sources refresh every few hours.

Related medications

Compare Cayston with other options and see the generic price.

See generic Aztreonam Inhalation prices →

Asthma medications →

Other drugs for Asthma

Cheapest Cayston alternatives

Compare Cayston with…

Save more on Cayston

Information for general comparison only. Not medical advice. Confirm with your pharmacist.