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(sterile ticarcillin disodium and clavulanate potassium) for Intravenous Administration

To reduce the development of drug-resistant bacteria and maintain the effectiveness of TIMENTIN (ticarcillin disodium and clavulanate potassium) and other antibacterial drugs, TIMENTIN should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.


TIMENTIN is a sterile injectable antibacterial combination consisting of the semisynthetic antibiotic ticarcillin disodium and the β-lactamase inhibitor clavulanate potassium (the potassium salt of clavulanic acid) for intravenous administration. Ticarcillin is derived from the basic penicillin nucleus, 6-amino-penicillanic acid.

Chemically, ticarcillin disodium is N-(2-Carboxy-3,3-dimethyl-7-oxo-4-thia-1azabicyclo[3.2.0]hept-6-yl)-3-thiophenemalonamic acid disodium salt and may be represented as:

Ticarcillin Disodium Structural Formula Illustration

Clavulanic acid is produced by the fermentation of Streptomyces clavuligerus. It is a β-lactam structurally related to the penicillins and possesses the ability to inactivate a wide variety of β-lactamases by blocking the active sites of these enzymes. Clavulanic acid is particularly active against the clinically important plasmid-mediated β-lactamases frequently responsible for transferred drug resistance to penicillins and cephalosporins.

Chemically, clavulanate potassium is potassium (Z)-(2R,5R)-3-(2-hydroxyethylidene)-7oxo-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylate and may be represented structurally as:

Clavulanate Potassium Structural Formula Illustration

TIMENTIN is supplied as a white to pale yellow powder for reconstitution. TIMENTIN is very soluble in water, its solubility being greater than 600 mg/mL. The reconstituted solution is clear, colorless or pale yellow, having a pH of 5.5 to 7.5.

For the 3.1-gram dosage of TIMENTIN, the theoretical sodium content is 4.51 mEq (103.6 mg) per gram of TIMENTIN. The theoretical potassium content is 0.15 mEq (6 mg) per gram of TIMENTIN.

What are the possible side effects of ticarcillin and clavulanate potassium (Timentin)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

  • diarrhea that is watery or bloody;
  • blood in your urine, feeling an urgent need to urinate, painful or difficult urination;
  • easy bruising or bleeding, unusual weakness;
  • dry mouth, increased thirst, confusion, increased urination, muscle pain or weakness, fast heart rate, feeling...

Read All Potential Side Effects and See Pictures of Timentin »

Last reviewed on RxList: 12/15/2016
This monograph has been modified to include the generic and brand name in many instances.

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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