Zithromax Adverse Reactions

Azithromycin is well tolerated with a low incidence of side effects.
In clinical trials, the following undesirable effects have been reported:
Blood and Lymphatic System Disorders: Transient episodes of mild neutropenia have occasionally been observed in clinical trials.
Ear and Labyrinth Disorders: Hearing impairment (including hearing loss, deafness and/or tinnitus) have been reported in some patients receiving azithromycin. Many of these have been associated with prolonged use of high doses in investigational studies. In those cases where follow-up information was available, the majority of these events were reversible.
Gastrointestinal Disorders: Nausea, vomiting, diarrhea, loose stools, abdominal discomfort (pain/cramps) and flatulence.
Hepatobiliary Disorders: Abnormal liver function.
Skin and Subcutaneous Tissue Disorders: Allergic reactions including rash and angioedema.
General Disorders and Administration Site Conditions: Local pain and inflammation at the site of infusion.
In post-marketing experience, the following additional undesirable effects have been reported:
Infections and Infestations: Moniliasis and vaginitis.
Blood and Lymphatic System Disorder: Thrombocytopenia.
Immune System Disorder: Anaphylaxis (rarely fatal) (see Precautions).
Metabolism and Nutrition Disorder: Anorexia.
Psychiatric Disorders: Aggressive reaction, nervousness, agitation and anxiety.
Nervous System Disorders: Dizziness, convulsions, headache, hyperactivity, paresthesia, somnolence and syncope. There have been rare reports of taste/smell perversion and/or loss.
Ear and Labyrinth Disorder: Deafness, tinnitus, hearing impaired, vertigo.
Cardiac Disorders: Palpitations and arrhythmias including ventricular tachycardia have been reported. There have been rare reports of QT prolongation and torsades de pointes (see Precautions).
Vascular Disorder: Hypotension.
Gastrointestinal Disorders: Vomiting/diarrhea (rarely resulting in dehydration), dyspepsia, constipation, pseudomembranous colitis, pancreatitis and rare reports of tongue discoloration.
Hepatobiliary Disorders: Hepatitis and cholestatic jaundice have been reported, as well as rare cases of hepatic necrosis and hepatic failure, which have rarely resulted in death (see Precautions).
Skin and Subcutaneous Tissue Disorders: Allergic reactions including pruritus, rash, photosensitivity, edema, urticaria and angioedema. Rarely, serious skin reactions including erythema multiforme, Stevens-Johnson syndrome and toxic epidermal necrolysis have been reported.
Musculoskeletal and Connective Tissue Disorder: Arthralgia.
Renal and Urinary Disorders: Interstitial nephritis and acute renal failure.
General Disorders and Administration Site Conditions: Asthenia has been reported, fatigue and malaise.