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# Liquid Paraffin
## Overview
Liquid paraffin is a mineral oil used as a lubricant laxative. It works by softening the stool and lubricating the intestinal tract, making bowel movements easier.
## Primary Indications
* Constipation
## Adult Dosing
* **Oral:** 10 mL to 40 mL once daily, typically taken at bedtime.
## Pediatric Dosing
* **Oral:** Dosing varies by age and is often determined by local protocol or physician recommendation.
* **Ages 1-5 years:** Generally 5 mL once daily.
* **Ages 6-12 years:** Generally 10 mL once daily.
* **Ages >12 years:** Can be dosed as per adult recommendations.
* **Note:** Use in infants under 1 year should be under strict medical supervision due to the risk of aspiration and lipid pneumonia.
## Dose Adjustments
* No specific dose adjustments are generally required for renal or hepatic impairment. However, use with caution in individuals with swallowing difficulties.
## Contraindications
* Hypersensitivity to liquid paraffin.
* Patients with dysphagia (difficulty swallowing) or a history of aspiration, due to the risk of lipid pneumonia.
* Intestinal obstruction.
* Appendicitis or undiagnosed abdominal pain.
## Adverse Effects
* Diarrhea, abdominal cramps, nausea, vomiting.
* Pruritus ani (anal itching).
* **Long-term use or high doses:** May interfere with the absorption of fat-soluble vitamins (A, D, E, K) and some medications (e.g., docusate, certain anticoagulants).
* **Aspiration:** Can lead to lipoid pneumonia, which can be serious or fatal.
## Key Drug Interactions
* **Fat-soluble vitamins (A, D, E, K):** Decreased absorption. Consider separate administration times or vitamin supplementation if long-term use is anticipated.
* **Docusate sodium:** Concurrent use may increase the absorption of mineral oil, increasing the risk of adverse effects.
* **Anticoagulants (e.g., warfarin):** May potentially decrease the absorption of oral anticoagulants, leading to reduced efficacy. Monitor INR closely.
* **Other oral medications:** May decrease the absorption of orally administered drugs. Separate administration by at least 2 hours.
## Monitoring
* Bowel movement frequency and consistency.
* Signs of abdominal discomfort or obstruction.
* For long-term users, monitor for signs of vitamin deficiencies.
## Clinical Pearls
* Advise patients to take liquid paraffin on an empty stomach and to avoid lying down immediately after administration to reduce aspiration risk.
* It is generally not recommended for chronic use due to potential vitamin malabsorption and risk of dependence. Short-term use is preferred.
* Ensure patients with swallowing difficulties are identified and alternative agents are considered.
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*This information is intended for healthcare professionals. Always verify current prescribing information and consult with a qualified healthcare provider for specific patient care decisions.*
