Safety

Zithromax (azithromycin) tablet, single-dose packet, IV for injection, and oral suspension

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER)  

May 2016

Summary View

WARNINGS AND PRECAUTIONS

Hypersensitivity
  • Fatalities have been reported. Cases of Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) have also been reported. Despite initially successful symptomatic treatment of the allergic symptoms, when symptomatic therapy was discontinued, the allergic symptoms recurred soon thereafter in some patients without further azithromycin exposure.Serious allergic reactions, including angioedema, anaphylaxis, and dermatologic reactions including Stevens-Johnson Syndrome, and toxic epidermal necrolysis, have been reported rarely in patients on azithromycin therapy. 

ADVERSE REACTIONS

Postmarketing Experience
  • Skin/appendages: DRESS


 

January 2011

Summary View

CONTRAINDICATIONS

  • Zithromax is contraindicated in patients with a history of cholestatic jaundice/hepatic dysfunction associated with prior use of azithromycin.

WARNINGS

Hepatotoxicity
  • Abnormal liver function, hepatitis, cholestatic jaundice, hepatic necrosis, and hepatic failure have been reported, some of which have resulted in death. Discontinue azithromycin immediately if signs and symptoms of hepatitis occur.

ADVERSE REACTIONS

Post-Marketing Experience/Biliary
  • Adverse reactions related to hepatic dysfunction have been reported in postmarketing experience with azithromycin. (See WARNINGS, Hepatotoxicity.)
     

August 2010 

Summary View

ADVERSE REACTIONS

Postmarketing Experience
  • Gastrointestinal: Anorexia, constipation, dyspepsia, flatulence, vomiting/diarrhea rarely resulting in dehydration, pseudomembranous colitis, pancreatitis, oral candidiasis, pyloric stenosis, and rare reports of tongue discoloration.

 

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