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Neosporin G.U Dosage

Generic name: NEOMYCIN SULFATE 40mg in 1mL, POLYMYXIN B SULFATE 200000[iU] in 1mL
Dosage form: irrigation solution

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This preparation is specifically designed for use with "three-way" catheters or with other catheter systems permitting continuous irrigation of the urinary bladder. The usual irrigation dose is one 1-mL ampul a day for up to 10 days.

Using strict aseptic techniques, the contents of one 1-mL ampul of NEOSPORIN G.U. Irrigant Sterile (neomycin sulfate-polymyxin B sulfate solution for irrigation) should be added to a 1,000-mL container of isotonic saline solution. This container should then be connected to the inflow lumen of the "three-way" catheter which has been inserted with full aseptic precautions; use of a sterile lubricant is recommended during insertion of the catheter. The outflow lumen should be connected, via a sterile disposable plastic tube, to a disposable plastic collection bag. Stringent procedures, such as taping the inflow and outflow junction at the catheter, should be observed when necessary to insure the junctional integrity of the system.

For most patients, the inflow rate of the 1,000-mL saline solution of neomycin and polymyxin B should be adjusted to a slow drip to deliver about 1,000 mL every 24 hours. If the patient's urine output exceeds 2 liters per day, it is recommended that the inflow rate be adjusted to deliver 2,000 mL of the solution in a 24-hour period.

It is important that the rinse of the bladder be continuous; the inflow or rinse solution should not be interrupted for more than a few minutes.

Preparation of the irrigation solution should be performed with strict aseptic techniques. The prepared solution should be stored at 4°C, and should be used within 48 hours following preparation to reduce the risk of contamination with resistant microorganisms.

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