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## Liquid Paraffin
### Overview
Liquid paraffin is a mineral oil used as a laxative. It lubricates the intestinal tract, softening stool and easing its passage.
### Primary Indications
Constipation.
### Adult Dosing
* **Oral:** 10 mL to 40 mL once daily, typically at bedtime. Doses may be adjusted based on response. Max dose not explicitly established, but higher doses increase aspiration risk.
### Pediatric Dosing
* **Oral:** Dosing varies by age and is often guided by institutional protocol. General guidance:
* **1-12 years:** 5 mL to 10 mL once daily.
* **Over 12 years:** Same as adult dosing.
* **Caution:** Use in infants and very young children requires careful consideration due to the risk of aspiration and lipoid pneumonia. Always consult specific pediatric guidelines or protocols.
### Dose Adjustments
No specific dose adjustments are typically required for renal or hepatic impairment. Dosing should be titrated based on patient response and tolerance.
### Contraindications
* Hypersensitivity to liquid paraffin.
* Concurrent use with docusate.
* Patients with dysphagia, gastrointestinal obstruction, or those at high risk of aspiration.
### Adverse Effects
* Diarrhea, abdominal cramping, nausea, vomiting.
* Anal leakage, skin irritation from leakage.
* **Serious:** Lipoid pneumonia (especially with aspiration or in debilitated patients), fat-soluble vitamin malabsorption with chronic, high-dose use.
### Key Drug Interactions
* **Docusate:** Concomitant use is contraindicated; it may increase the absorption of liquid paraffin.
* **Fat-soluble vitamins (A, D, E, K):** Chronic, regular use of liquid paraffin can impair the absorption of these vitamins.
* **Other laxatives:** Concurrent use may increase the risk of electrolyte imbalance and dehydration.
### Monitoring
* Bowel movements frequency and consistency.
* Signs of dehydration or electrolyte imbalance, especially with prolonged use or higher doses.
* Signs of aspiration (coughing, choking, difficulty breathing), particularly in vulnerable populations.
### Clinical Pearls
* Administer at bedtime to minimize daytime inconvenience from anal leakage.
* Patients should remain upright during and after administration to reduce aspiration risk.
* Avoid prolonged or excessive use, as it can lead to dependence and malabsorption of fat-soluble vitamins.
* It is not intended for chronic use; lifestyle modifications and other laxative classes should be considered for long-term management of constipation.
* Liquid paraffin is intended for oral use only; accidental parenteral administration is dangerous.
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*This information is intended for clinical use and does not replace the official prescribing information or institutional protocols. Always verify current drug information with the product monograph or other reliable sources before making clinical decisions.*
