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# Liquid Paraffin
## Overview
Liquid paraffin, also known as mineral oil, is a laxative that works by softening stool and lubricating the intestinal tract, easing passage. It is not absorbed systemically.
## Primary Indications
Constipation.
## Adult Dosing
* **Oral:** 10-45 mL once daily, typically at bedtime. Dosing can be adjusted based on patient response.
## Pediatric Dosing
Dosing is weight-based and depends on age. Consult product labeling or local pediatric protocols for specific recommendations. Generally:
* **Ages 1-11 years:** 5-10 mL once daily.
* **Ages 12 years and older:** Same as adult dosing.
* **Infants under 1 year:** Not generally recommended due to risk of aspiration and potential for systemic absorption. Use with extreme caution and under strict medical supervision if deemed necessary.
## Dose Adjustments
No dose adjustments are typically needed for renal or hepatic impairment as it is not absorbed.
## Contraindications
* Hypersensitivity to liquid paraffin.
* Patients with swallowing difficulties, neurological impairment, or gastroesophageal reflux, due to the risk of lipid pneumonitis from aspiration.
* Obstructive conditions of the bowel.
* Acute abdominal pain, nausea, vomiting, or fever of unknown origin.
## Adverse Effects
* Anal leakage, especially with higher doses.
* Abdominal cramps, nausea, vomiting, diarrhea (less common).
* Pruritus ani.
* Lipid pneumonitis (rare, but serious, if aspirated).
* Interference with absorption of fat-soluble vitamins (A, D, E, K) with chronic, prolonged use.
## Key Drug Interactions
* **Fat-soluble vitamins (A, D, E, K):** Reduced absorption with chronic use. Separate administration by at least 2 hours.
* **Other medications taken orally:** May reduce absorption due to its lubricating and potentially coating effect. Separate administration by at least 2 hours.
## Monitoring
* Bowel movements (frequency, consistency).
* Signs of anal leakage or irritation.
* Signs of vitamin deficiency with chronic use (e.g., skin changes, vision changes, bone pain).
* Signs of aspiration (e.g., cough, shortness of breath) especially in at-risk individuals.
## Clinical Pearls
* Administer undiluted or mixed with a small amount of liquid.
* Advise patients to take it at bedtime to minimize daytime leakage.
* Caution patients about the potential for anal leakage and to use protective measures if needed.
* Avoid use in individuals at high risk of aspiration.
* Chronic use can lead to dependence and malabsorption of fat-soluble vitamins. It is generally intended for short-term use.
* Discuss with patients about the importance of adequate fluid intake alongside laxative use.
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**Disclaimer:** This information is intended for healthcare professionals. Always consult the most current prescribing information and relevant clinical guidelines before making treatment decisions. Dosing and recommendations may vary based on specific patient factors and local protocols.
