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, although a causal relationship to azithromycin has not been established.
Ear and Labyrinth Disorders: Hearing impairment (including hearing loss, deafness and/or tinnitus) has 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.
In post-marketing experience, the following additional undesirable effects have been reported: Infections and Infestations: Moniliasis and vaginitis.
Blood and Lymphatic System Disorders: Thrombocytopenia.
Immune System Disorders: Anaphylaxis (rarely fatal) (see Precautions).
Metabolism and Nutrition Disorders: Anorexia.
Psychiatric Disorders: Aggressive reaction, nervousness, agitation, and anxiety.
Nervous System Disorders: Dizziness, convulsions, headache, hyperactivity, hypoesthesia, paresthesia, somnolence, and syncope. There have been rare reports of taste/smell perversion and/or loss.
Ear and Labyrinth Disorders: Deafness, tinnitus, hearing impaired, and vertigo.
Cardiac Disorders: Palpitations and arrhythmias including ventricular tachycardia have been reported. There have been rare reports of QT prolongations and torsades de pointes (see Precautions).
Vascular Disorders: 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 resulted in death (see Precautions).
Skin and Subcutaneous Tissue Disorders: Allergic reactions including pruritus, rash, photosensitivity, edema, urticaria, and angioedema. Rarely, serious cutaneous adverse reactions including erythema multiforme, AGEP, SJS, TEN and DRESS have been reported.
Musculoskeletal and Connective Tissue Disorders: Arthralgia.
Renal and Urinary Disorders: Interstitial nephritis and acute renal failure.