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# Liquid Paraffin
## Overview
Liquid paraffin is a mineral oil used as an emollient and laxative. It acts as a lubricant, softening stool and easing bowel movements.
## Primary Indications
* Constipation
* Softering of impacted feces
## Adult Dosing
* **Laxative:** 10 mL to 30 mL once daily, typically at bedtime. Higher doses may be used for fecal impaction under medical supervision.
* **Emollient:** Applied topically as needed for dry skin.
## Pediatric Dosing
Dosing varies significantly by age and indication.
* **Constipation:**
* **1-6 years:** 5 mL once daily.
* **6-12 years:** 10 mL once daily.
* **Over 12 years:** 15 mL to 30 mL once daily.
* **Fecal Impaction:** Dosing should be determined by a clinician and may involve higher doses or rectal administration.
* **Note:** Use in infants under 1 year of age should be under strict medical guidance due to the risk of aspiration.
## Dose Adjustments
No dose adjustments are typically required for renal or hepatic impairment.
## Contraindications
* Hypersensitivity to liquid paraffin.
* Intestinal obstruction, perforation, or acute abdominal conditions.
* Nausea, vomiting, or abdominal pain of unknown origin.
* Aspiration risk (e.g., in patients with impaired gag reflex, dysphagia, or who are bedridden).
## Adverse Effects
* **Gastrointestinal:** Abdominal cramping, diarrhea, nausea, vomiting, anal leakage (especially with higher doses or if taken lying down).
* **Aspiration Pneumonitis:** A serious risk, particularly in infants and the elderly, or with improper administration.
* **Malabsorption:** Long-term use may interfere with the absorption of fat-soluble vitamins (A, D, E, K).
* **Lipoid Pneumonia:** Rare but serious risk with chronic aspiration.
## Key Drug Interactions
* **Fat-soluble vitamins:** Concurrent use may decrease absorption.
* **Other laxatives:** May potentiate effects or increase risk of electrolyte imbalance.
* **Anionic surfactants:** May decrease the absorption of drugs formulated with these (e.g., docusate).
## Monitoring
* Bowel movements (frequency, consistency).
* Signs of abdominal pain or obstruction.
* For chronic use, monitor for signs of vitamin deficiencies.
## Clinical Pearls
* Administer at bedtime to minimize disruption and risk of leakage.
* Advise patients to remain in an upright position for at least 30 minutes after administration to reduce aspiration risk.
* Avoid use in individuals with significant swallowing difficulties or those at high risk of aspiration.
* Chronic, unsupervised use is discouraged due to potential vitamin malabsorption and lipoid pneumonia.
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*Disclaimer: This information is intended for clinical use and does not replace professional judgment. Always consult the most current prescribing information and relevant guidelines before making clinical decisions.*
