Aztreonam

generic for Azactam

Aztreonam Side Effects

Diarrhea, nausea, vomiting, dizziness, headache, blurred vision, or redness/discomfort/pain/swelling at the injection site may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including: fast/irregular heartbeat, confusion, easy bruising/bleeding, ringing in the ears, seizures, chest pain, yellowing eyes or skin, dark urine, severe stomach/abdominal pain, persistent nausea or vomiting, unusual fatigue, persistent signs of infection (e.g., fever, sore throat).

This medication may rarely cause a severe intestinal condition (Clostridium difficile-associated diarrhea) due to a resistant bacteria. This condition may occur during treatment or weeks to months after treatment has stopped. Do not use anti-diarrhea or opioid medications if you have the following symptoms because these products may make them worse. Tell your doctor right away if you develop: persistent diarrhea, abdominal or stomach pain/cramping, blood/mucus in your stool..

Use of this medication for prolonged or repeated periods may result in oral thrush or a new vaginal yeast infection (oral or vaginal fungal infection), or a new type of bacterial infection. Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge, or other new symptoms.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
  • Clostridioides difficile infection
  • vulvovaginal candidiasis
  • pancytopenia
  • anemia
  • purpura
  • thrombocytopenic disorder
  • neutropenic disorder
  • eosinophilia
  • leukocytosis
  • thrombocytosis
  • acute confusion
  • encephalopathy
  • diplopia
  • tinnitus
  • abnormal ECG
  • thrombophlebitis
  • hypotension
  • nasal congestion
  • bronchospastic pulmonary disease
  • stomatitis
  • hepatitis
  • gastrointestinal hemorrhage
  • mastalgia
  • vaginitis
  • erythema multiforme
  • toxic epidermal necrolysis
  • Stevens-Johnson syndrome
  • exfoliative dermatitis
  • erythema
  • pruritus of skin
  • urticaria
  • myalgia
  • seizure disorder
  • vertigo
  • dizziness
  • insomnia
  • fever
  • hyperhidrosis
  • dysgeusia
  • skin rash
  • flushing
  • petechiae
  • headache disorder
  • sneezing
  • halitosis
  • wheezing
  • dyspnea
  • chest pain
  • nausea
  • vomiting
  • diarrhea
  • abdominal pain with cramps
  • abnormal hepatic function tests
  • anaphylaxis
  • angioedema
  • hypersensitivity drug reaction
  • paresthesia
  • general weakness
  • malaise
  • jaundice
  • induration of skin
  • acute generalized exanthematous pustulosis
  • DRESS syndrome

Drug Interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include: cefoxitin, imipenem.

Aztreonam may cause false positive results with some diabetic urine testing products (cupric sulfate-type). Consult your doctor or pharmacist for recommendations. Make sure laboratory personnel and your doctors know you use this drug.