Overview
DESCRIPTION Renacidin ® (Citric Acid, Glucono delta-lactone, and Magnesium Carbonate) is a sterile, non-pyrogenic irrigation solution for use within the lower urinary tract in the dissolution of bladder calculi of the struvite or apatite variety, and prevention of encrustations of urethral catheters and cystostomy tubes.
Mechanism of Action
CLINICAL PHARMACOLOGY Renacidin's action on susceptible apatite calculi results from an exchange of magnesium from the irrigating solution for calcium contained in the stone matrix. The magnesium salts thereby formed are soluble in the gluconocitrate irrigating solution resulting in the dissolution of the calculus. Struvite calculi are composed mainly of magnesium ammonium phosphates which are solubilized by Renacidin due to its acidic pH. Renacidin is not effective for dissolution of calcium oxalate, uric acid or cysteine stones.
Indications
- INDICATIONS AND USAGE Renacidin is indicated for dissolution of bladder calculi of the struvite or apatite variety by local intermittent irrigation through a urethral catheter or cystostomy tube as an alternative or adjunct to surgical procedures. Renacidin is also indicated for use as an intermittent irrigating solution to prevent encrustations of indwelling urethral catheters and cystostomy tubes.
Common Doses
- 30 mL
Dosage
DOSAGE AND ADMINISTRATION Renacidin for local irrigation within the lower urinary tract is available in single-use 30 mL containers. Prepare and Administer the Dose: Step 1: Inspect Renacidin visually for particulate matter and discoloration prior to administration. If particulate matter or discoloration are observed, do not administer. Step 2: Remove the plastic tab connected to the conical tip of the Renacidin container by twisting the plastic tab. See Figure 1. Figure 1 Step 3: Connect the conical tip of the Renacidin container to the end of the urethral catheter or cystostomy tube.
Contraindications
- CONTRAINDICATIONS Renacidin is contraindicated in the presence of demonstrable urinary tract extravasation.
Side Effects
- ADVERSE REACTIONS The most common adverse reactions with use of Renacidin for dissolution of bladder calculi or prevention of encrustations of indwelling urethral catheters are “bladder irritability” and chemical cystitis, both reported to occur in approximately 3% of patients. A transient burning sensation in the bladder following Renacidin has been reported to occur in less than 1% of patients receiving Renacidin.
Interactions
- No major interactions listed on the FDA label. Always consult a healthcare professional.