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# Ezivac Enema
## Overview
Ezivac is a branded saline laxative enema typically containing **sodium phosphates** (monobasic sodium phosphate and dibasic sodium phosphate). It works by osmotic pressure to draw fluid into the colon, stimulating evacuation.
## Primary Indications
* Relief of occasional constipation.
* Bowel preparation for diagnostic examinations (e.g., sigmoidoscopy, colonoscopy) or surgical procedures.
## Adult Dosing
* **Standard dose:** One pre-filled unit (typically 118 mL - 133 mL delivered volume) administered rectally once daily.
* **Maximum:** Do not exceed one dose in 24 hours.
## Pediatric Dosing
* **Children ≥ 12 years:** Use adult dosing.
* **Children 2–11 years:** 59 mL (pediatric size) administered rectally once daily.
* **Children < 2 years:** Contraindicated.
* *Note: Always consult local institutional protocols, as specific weight-based pediatric guidelines or facility safety policies may supersede general labeling.*
## Dose Adjustments
* **Renal Impairment:** Use with extreme caution. Significant risk of hyperphosphatemia, hypocalcemia, hypernatremia, and acidosis. Avoid in patients with clinically significant renal insufficiency.
* **Hepatic Impairment:** No specific adjustments, but monitor for electrolyte imbalances.
## Contraindications
* Hypersensitivity to sodium phosphates.
* Congestive heart failure (CHF).
* Clinically significant renal impairment.
* Suspected bowel obstruction, megacolon, or imperforate anus.
* Acute surgical abdomen, appendicitis, or symptoms of inflammatory bowel disease.
## Adverse Effects
* **Common:** Rectal irritation, abdominal cramping, anal fissures.
* **Serious:** Severe electrolyte disturbances (hyperphosphatemia, hypocalcemia, hyperkalemia, hypernatremia), dehydration, metabolic acidosis, and mucosal ulceration.
## Key Drug Interactions
* **Diuretics (Loop/Thiazide):** Increased risk of electrolyte imbalance and dehydration.
* **ACE Inhibitors / ARBs:** Increased risk of acute kidney injury secondary to volume depletion.
* **Aluminum/Magnesium-based antacids:** Potential for phosphate binding.
## Monitoring
* Monitor for signs of dehydration (thirst, decreased urine output).
* In high-risk populations, monitor serum electrolytes (Phosphate, Calcium, Sodium, Potassium) and renal function (BUN/SCr) post-administration.
## Clinical Pearls
* **Administration:** Positioning the patient on the left side with knees bent often facilitates easier insertion.
* **Safety warning:** Ensure the patient is hydrated before use. Gentle insertion is required to prevent rectal perforation, especially in pediatric or elderly populations.
* **Duration:** Intended for short-term use only. If no effect is observed after 30 minutes, discontinue and contact a provider.
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*Disclaimer: This information is for educational purposes and reflects general clinical data. Always verify specific dosing, safety requirements, and institutional protocols with current prescribing information or a pharmacist before administration.*