An Open Label, Randomized, Crossover Study To Estimate The Pharmacokinetics And Evaluate The Safety Following A Single Dose Of Azithromycin 2g Extended-Release Powder For Oral Suspension With A 3-Day Dosing Regimen Of Azithromycin 500mg Tablet In Chinese Healthy Male Subjects

Inclusion Criteria: * Healthy volunteers. * Male. * 18-45 years old. * BMI 17.5-30.5 kg/m2. Exclusion Criteria: * Alcohol, drug, smoke user. * Sensitive to macrolide antibiotics class drug, parn or heparin-induced thrombocytopenia. * Severe medical or psychiatric condition or laboratory abnormality. * Blood donation. * 12-ECG abnormal. * Treatment with study drug; clinically significant.