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Cayston

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Cayston

Cayston Patient Information Including Side Effects

Brand Names: Cayston

Generic Name: aztreonam (inhalation) (Pronunciation: AZ tree oh nam)

What is aztreonam (Cayston)?

Aztreonam is an antibiotic that fights severe or life-threatening infection caused by bacteria.

Aztreonam inhalation is used to improve breathing symptoms in people who have cystic fibrosis and a certain bacteria in their lungs. This medication is for use in adults and children who are at least 7 years old.

Aztreonam may also be used for purposes not listed in this medication guide.

What are the possible side effects of aztreonam (Cayston)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • bronchospasm (wheezing, chest tightness, trouble breathing) right after using the medicine; or
  • any new or worsening symptoms.

Less serious side effects may include:

  • mild stomach discomfort, vomiting;
  • cough, sore throat;
  • stuffy nose; or
  • low fever.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the Cayston (aztreonam for inhalation solution) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about aztreonam (Cayston)?

You should not use this medication if you are allergic to aztreonam.

Before using aztreonam, tell your doctor if you are allergic to any type of antibiotic, especially a cephalosporin (Ceftin, Cefzil, Keflex, Omnicef, and others), a penicillin (Amoxil, Augmentin, Bactocill, Bicillin L-A, Dispermox, Dycill, Dynapen, Moxatag, Principen, PC Pen VK, Pen-V, Pfizerpen, Unasyn, and others), or similar antibiotics such as Invanz, Primaxin, or Merrem.

Use this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Aztreonam will not treat a viral infection such as the common cold or flu.

Aztreonam inhalation should be used only with an Altera brand nebulizer. Do not use any other type of nebulizer or inhaler device with this medication. Do not mix other medicines with aztreonam in the nebulizer.

If you use other inhaled medications, you may need to use them in a certain order while using aztreonam inhalation. Ask your doctor for specific instructions about when to use your other medications in relation to your aztreonam inhalation doses.

Side Effects Centers
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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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