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Aztreonam is an antibiotic that fights severe or life-threatening infection caused by bacteria.
Aztreonam is used to treat severe infections of the urinary tract, lower respiratory tract, skin, stomach, female reproductive organs, and other body systems.
Aztreonam may also be used for purposes other than those listed in this medication guide.
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 any of these serious side effects:
Less serious side effects may be more likely to occur, such as:
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
You should not use this medication if you are allergic to aztreonam or to a penicillin antibiotic such as amoxicillin (Amoxil), ampicillin (Omnipen, Principen), penicillin (Beepen-VK, Ledercillin VK, Pen-V, Pen-Vee K, Pfizerpen, V-Cillin K, Veetids), and others.
Before using aztreonam, tell your doctor if you are allergic to cephalosporins such as Ceclor, Ceftin, Duricef, Keflex, and others, or if you have liver or kidney disease, or a history of any type of allergy.
Use this medication for the entire length of time prescribed by your doctor. Your symptoms may get better before the infection is completely treated. Aztreonam will not treat a viral infection such as the common cold or flu.
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or has blood in it, call your doctor. Do not use any medicine to stop the diarrhea unless your doctor has told you to.
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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