For patients taking a deutetrabenazine dosage more than 24 mg/day with azithromycin, assess the QTc interval before and after increasing the dosage of either medication. DOSAGE AND ADMINISTRATION [see INDICATIONS AND USAGE and CLINICAL PHARMACOLOGY]. The plasma concentration-time data of azithromycin best fitted a three-compartment model after i.v. Learn about uses, dosage, and more. administration. The elimination half-life (t(1/2lambdaz)) was 47.70 +/- 7.49 h after i.v. and i.m. Dosage And Administration. The recommended dose of ZITHROMAX (azithromycin for injection) for the treatment of adult patients with community-acquired pneumonia due to the indicated organisms is: 500 mg as a single daily dose by the intravenous route for at least two days. The Food and Drug Administration (FDA) first approved azithromycin in 1991.. Like all antibiotics, azithromycin can only fight certain bacteria. The results show that azithromycin is a safe and effective alternative in the treatment of inflammatory acne with few side-effects and good compliance, and suggest the need for further investigation with a clinical trial that will compare the long-term efficacy and tolerability. The … The recommended dosage regimen for the treatment of bacterial conjunctivitis is: Instill 1 drop in the affected eye(s) twice daily, eight to twelve hours apart for the first two days and then instill 1 drop in the affected eye(s) once daily for the next five days. ; Azithromycin, derived from erythromycin, belongs to the azalide subclass of macrolide antibiotics. Dosage … Overview of Azithromycin for Canines and Felines. injection at a single dosage of 20 mg/kg bodyweight was studied in sheep. Dosage and Administration (See INDICATIONS AND USAGE and CLINICAL PHARMACOLOGY.) Plasma concentrations of azithromycin were determined by bioassay. administration. Community-Acquired Pneumonia. Azithromycin is an antibiotic in the macrolides class. administration and a two-compartment model with first-order absorption after i.m. The pharmacokinetics (PK) of azithromycin after i.v. Azithromycin oral tablet (Zithromax) is a prescription drug that's used to treat infections caused by bacteria. QT prolongation and torsade de pointes (TdP) have been spontaneously reported during azithromycin postmarketing surveillance. Blood samples were collected from the jugular vein until 120 h after dosing for both routes. administration and 61.29 +/- 13.86 h after i.m. Azithromycin, better known as Zithromax® and commonly as the “Z-pack” in humans, is used for dogs and cats to treat dermatological infections, respiratory tract infections, and urogenital infections.