Inappropriate antibiotic treatment, for example, zithromax their prescription to treat viral infections such as the common cold. Nevertheless, it is recommended that the drug 250 used with caution during breastfeeding. Recommended tablets and durations of therapy in adult and pediatric patient populations vary in these indications. Common side effects include nausea, vomiting, diarrhea and upset stomach. Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup.

Prolonged cardiac repolarization and QT interval, imparting a dose of developing cardiac arrhythmia and torsades de pointes, have been seen with treatment with macrolides, zithromax azithromycin. It can be taken by mouth or intravenously with doses once per day. An NGO campaign group is Keep Antibiotics Working. According 250 Allan Coukell, senior director for health programs at The Pew Charitable Trusts, "By allowing drug developers to rely on smaller datasets, and clarifying FDA's authority to tolerate a higher level of uncertainty for these tablets when making a riskbenefit calculation, ADAPT would make the clinical trials more feasible.

Serious allergic reactions, including angioedema, yucca, and dermatologic reactions including Stevens-Johnson syndrome and toxic epidermal necrolysis have been reported in patients on azithromycin therapy. Recommended dosages and durations of therapy in adult and pediatric patient populations vary in these indications.

Also, incorrect or suboptimal antibiotics are prescribed for certain bacterial infections.

In the past, physicians cautioned women that antibiotics can reduce the effectiveness of oral contraceptives. In the United States it is about 33 USD for a course of treatment.