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AMPICILLIN/SULBACTAM (UNASYN ®)
The authors make no claims of the accuracy of the information contained herein; and these suggested doses and/or guidelines are not a substitute for clinical judgement. Neither GlobalRPh Inc. nor any other party involved in the preparation of this document shall be liable for any special, consequential, or exemplary damages resulting in whole or part from any user's use of or reliance upon this material.    PLEASE READ THE DISCLAIMER CAREFULLY BEFORE ACCESSING OR USING THIS SITE. BY ACCESSING OR USING THIS SITE, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS SET FORTH IN THE DISCLAIMER.

Usual Diluents
NS

Standard Dilutions   [Amount of drug] [Infusion volume] [Infusion rate]
[0 - 1.5 grams/ 50 ml] [30 min]
[Over 1.5 grams/ 100 ml] [30 min]

Stability / Miscellaneous
Label: Refrigerate.

DOSAGE AND ADMINISTRATION
Ampicillin and Sulbactam for Injection may be administered by either the IV or the IM routes. For IV administration, the dose can be given by slow intravenous injection over at least 10-15 minutes or can also be delivered, in greater dilutions with 50-100 mL of a compatible diluent as an intravenous infusion over 15-30 minutes.

Ampicillin and Sulbactam for Injection may be administered by deep intramuscular injection. (See Preparation for Intramuscular Injection.)

The recommended adult dosage of Ampicillin and Sulbactam for Injection is 1.5 g to 3 g every six hours. The total dose of sulbactam should not exceed 4 grams per day.

Impaired Renal Function
Creatinine Clearance
(mL/min/1.73m2)		 Ampicillin/Sulbactam
Half-Life (Hours)		 Recommended Ampicillin and Sulbactam Dosage
≥ 30 1 1.5 - 3g  q6h - q8h
15-29 5 1.5 - 3g  q12h
5-14 9 1.5 - 3g  q24h

DIRECTIONS FOR USE
General Dissolution Procedures.
Ampicillin and Sulbactam for Injection sterile powder for intravenous and intramuscular use may be reconstituted with any of the compatible diluents described in this insert. Solutions should be allowed to stand after dissolution to allow any foaming to dissipate in order to permit visual inspection for complete solubilization.

Preparation for Intravenous Use
Reconstitution of Ampicillin and Sulbactam for Injection, at the specified concentrations, with these diluents provide stable solutions for the time periods indicated in the following table: (After the indicated time periods, any unused portions of solutions should be discarded.)
Stability
Diluent Maximum Concentration (mg/mL)
ampicillin and sulbactam		 Use Periods
Sterile Water for Injection 45 (30/15) 8 hrs @ 25°C
  45 (30/15) 48 hrs @ 4°C
  30 (20/10) 72 hrs @ 4°C
0.9% Sodium Chloride Injection 45 (30/15) 8 hrs @ 25°C
  45 (30/15) 48 hrs @ 4°C
  30 (20/10) 72 hrs @ 4°C
5% Dextrose Injection 30 (20/10) 2 hrs @ 25°C
  30 (20/10) 4 hrs @ 4°C
  3 (2/1) 4 hrs @ 25°C
Lactated Ringer's Injection 45 (30/15) 8 hrs @ 25°C
  45 (30/15) 24 hrs @ 4°C
5% Dextrose in 0.45% Saline 3 (2/1) 4 hrs @ 25°C
  15 (10/5) 4 hrs @ 4°C

Initially, the vials may be reconstituted with Sterile Water for Injection to yield solutions containing 375 mg Ampicillin and Sulbactam per mL (250 mg ampicillin/125 mg sulbactam per mL ). An appropriate volume should then be immediately diluted with a suitable parenteral diluent to yield solutions containing 3 to 45 mg Ampicillin and Sulbactam per mL (2 to 30 mg ampicillin/1 to 15 mg sulbactam/per mL).

Preparation for Intramuscular Injection
1.5 g and 3 g Standard vials

Vials for intramuscular use may be reconstituted with Sterile Water for Injection USP, 0.5% Lidocaine Hydrochloride Injection USP or 2% Lidocaine Hydrochloride Injection USP. Consult the following table for recommended volumes to be added to obtain solutions containing 375 mg ampicillin and sulbactam per mL (250 mg ampicillin/ 125 mg sulbactam per mL).

Note: Use only freshly prepared solutions and administer within one hour after preparation.
Ampicillin and Sulbactam Vial Size Volume of Diluent to be Added Withdrawal Volume
There is sufficient excess present to allow withdrawal and administration of the stated volumes.
1.5 g 3.2 mL 4 mL
3 g 6.4 mL 8 mL

Revised: June 2006
Manufactured in Austria by Sandoz GmbH,
Distributed by Lek Pharmaceuticals Inc.
an affiliate of Sandoz Inc., Princeton, NJ 08540
The authors make no claims of the accuracy of the information contained herein; and these suggested doses and/or guidelines are not a substitute for clinical judgement. Neither GlobalRPh Inc. nor any other party involved in the preparation of this document shall be liable for any special, consequential, or exemplary damages resulting in whole or part from any user's use of or reliance upon this material.    PLEASE READ THE DISCLAIMER CAREFULLY BEFORE ACCESSING OR USING THIS SITE. BY ACCESSING OR USING THIS SITE, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS SET FORTH IN THE DISCLAIMER.