If you have health insurance:
Click here to pay only $30 on co-pays up to $70* and receive valuable information from ZYFLO CR®

Plus: because taking your ZYFLO CR® as directed by your doctor is important for keeping you healthy, Cornerstone Therapeutics would like to help you cover the cost of your ZYFLO CR® prescriptions. Use your savings card to fill 11 prescriptions in 12 months, and you may be reimbursed for most of your co-pay costs. Print your savings card and follow the instructions on the card to enroll today.*

If you don’t have health insurance:
If you do not have insurance that covers ZYFLO CR®, you may be eligible for assistance through the Cornerstone Cares program. Please see the
downloadable application form for complete enrollment instructions and eligibility criteria. Call toll-free at 1-888-CRTX198 with questions or for more information.

Patient brochure
Download a PDF of the ZYFLO CR® patient brochure

  • Helps you identify the signs and symptoms of asthma
  • Provides important information about what to expect during treatment with                  ZYFLO CR®
  • Explains how to take ZYFLO CR®



Patient discount card and patient brochure
ZYFLO CR® on Facebook cornerstone
*See savings card for details and instructions. Subject to availability. Patients who have prescription assistance though government insurers like Medicare or Medicaid are not eligible. Other restrictions apply.




Important Patient Safety Information


ZYFLO CR® is a medicine used to prevent asthma attacks and for long-term management of asthma in adults and children 12 years of age and older. ZYFLO CR® is not a rescue medicine and should not be used for immediate relief during an asthma attack.

You should not take ZYFLO CR® if you have active liver disease or repeated blood tests showing elevated liver enzymes. Your doctor may do blood tests to check your liver before you take ZYFLO CR® and while you are taking it. You should not take ZYFLO CR® if you have ever had an allergic reaction to ZYFLO CR® or any of its ingredients.

Tell your doctor about all the medicines you take, including prescription and non-prescription medicines. ZYFLO CR® and certain other medicines may affect each other causing side effects. Tell your doctor if you drink alcohol (how much and how often) and if you have ever had liver problems including hepatitis, jaundice (yellow eyes or skin), or dark urine.

In addition, report any changes in your behavior or sleeping habits while taking
ZYFLO CR®.

Some of the most common side effects are nose and throat irritation, sinusitis, upper respiratory infection, throat pain, headache, muscle aches, nausea, and diarrhea.

For additional safety information, please see Patient Product Information.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.