Generic Name: Aztreonam

  • What is Cayston?

    Cayston is an inhaled antibiotic used to improve breathing symptoms in people with cystic fibrosis (inherited disease that causes your mucus to be thick and sticky, and may result in difficulty breathing) who have a certain bacterial infection in their lungs.

  • What is the most important information I should know about Cayston?

    Cayston is for inhalation use only. Cayston should only be administered using the Altera Nebulizer System.

    Serious or severe allergic reactions can occur while you are using Cayston. Tell your doctor immediately if you experience a severe rash, difficulty breathing, or swelling of your face.

    Like all antibiotics, Cayston works only against bacteria. It will not cure an infection caused by a virus, such as the common cold or flu.

    Complete the full 28-day course of Cayston treatment, even if symptoms improve earlier. Do not skip doses. Skipping doses or not completing the full course of Cayston can decrease its effectiveness and can lead to the growth of bacteria that are resistant to the effects of Cayston.

  • Who should not take Cayston?

    Do not take Cayston if you are allergic to it or any of its ingredients.

  • What should I tell my doctor before I take the first dose of Cayston?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Cayston. Also, talk to your doctor about your complete medical history, especially if you have allergies, are pregnant, plan to become pregnant, or are breastfeeding.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults and children ≥7 years: The recommended dose is the inhalation of the contents of one single-use vial, taken three times a day, with the Altera Nebulizer System.

  • How should I take Cayston?

    Use Cayston exactly as prescribed by your doctor. You should use an inhaled bronchodilator (a type of medicine used to relax and open your airways) before taking a dose of Cayston. Mix Cayston with one ampule of saline (diluent). Immediately after reconstitution, inhale Cayston using the Altera Nebulizer System. Doses should be taken at least 4 hours apart. Cayston should be used for a 28-day course of treatment, followed by at least 28 days off the medicine.

    Please review the instructions that came with your prescription on how to properly use Cayston with the Altera Nebulizer System.

  • What should I avoid while taking Cayston?

    Do not mix Cayston with the saline until right before you are ready to use it. Do not mix more than one dose of Cayston at a time.

    Do not mix Cayston with any other medicines in your Altera Nebulizer System.

  • What are possible food and drug interactions associated with Cayston?

    No significant interactions have been reported with Cayston at this time. However, always tell your doctor about any medicines you take, including over-the-counter medications, vitamins, or herbal supplements.

  • What are the possible side effects of Cayston?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: abdominal pain, allergic reactions, breathing problems, chest discomfort, cough, fever, nasal (nose) congestion, sore throat, vomiting, wheezing

  • Can I receive Cayston if I am pregnant or breastfeeding?

    The effects of Cayston during pregnancy are unknown. Cayston is found in your breast milk if you use it while breastfeeding. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Cayston?

    If you miss a dose of Cayston, you can still take all 3 daily doses as long as the doses are at least 4 hours apart.

  • How should I store Cayston?

    Always keep your Cayston and saline together. Store in the refrigerator, or store at room temperature for up to 28 days. Protect from light.