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# Ezivac Enema
## Overview
Ezivac (Sodium Phosphates Enema) is a hypertonic saline osmotic laxative. It works by drawing water into the colon, causing distension, which promotes peristalsis and evacuation of the bowel.
## Primary Indications
* Relief of occasional constipation.
* Bowel cleansing prior to rectal examinations or endoscopic procedures.
## Adult Dosing
* **Standard dose:** 118 mL (one ready-to-use unit).
* **Administration:** Administer rectally as a single dose. Do not exceed one dose in a 24-hour period.
## Pediatric Dosing
* **Children 12 years and older:** Same as adult (118 mL).
* **Children 2 to 11 years:** 59 mL (half the contents of the adult unit or use a pediatric-specific formulation).
* **Children under 2 years:** Contraindicated without direct medical supervision.
## Dose Adjustments
* **Renal Impairment:** Use with extreme caution. Risk of hyperphosphatemia, hypocalcemia, hypernatremia, and acidosis.
* **Hepatic Impairment:** No specific adjustment, but monitor for electrolyte disturbances if volume depletion is present.
## Contraindications
* Known hypersensitivity to sodium phosphates.
* Congestive heart failure.
* Ascites.
* Renal insufficiency or failure.
* Suspected bowel obstruction, megacolon, or perforated bowel.
* Inflammatory bowel disease (e.g., ulcerative colitis).
## Adverse Effects
* **Common:** Rectal irritation, abdominal cramping, nausea.
* **Serious:** Severe electrolyte imbalances (hyperphosphatemia, hypocalcemia, hypernatremia, hypokalemia), dehydration, metabolic acidosis, and acute phosphate nephropathy (calcification of renal tubules).
## Key Drug Interactions
* **Diuretics:** Increased risk of dehydration and electrolyte disturbance.
* **ACE Inhibitors/ARBs/NSAIDs:** Concurrent use increases the risk of renal injury, especially in patients with pre-existing renal compromise.
* **Calcium-channel blockers:** Potential for additive effects on electrolyte levels.
## Monitoring
* Serum electrolytes (Sodium, Potassium, Calcium, Phosphate).
* Renal function (BUN/SCr).
* Volume status and signs of dehydration.
## Clinical Pearls
* **Administration:** Position the patient in the left lateral decubitus position (Sims' position) to facilitate anatomical flow into the sigmoid colon.
* **Max Dose:** Do not use more than one dose in 24 hours. Prolonged or frequent use can lead to electrolyte dependency and severe metabolic derangements.
* **Hydration:** Always encourage adequate fluid intake before and after administration to prevent dehydration.
* **Uncertainty:** Specific institution bowel prep protocols may dictate volume or frequency; always defer to localized pharmacy/nursing policy for procedural bowel clearance.
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**Educational Disclaimer:** This information is for educational purposes only and does not constitute medical advice. Prescribing information, local hospital protocols, and patient-specific factors must always be verified with the current manufacturer labeling and electronic health record documentation before use.
