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# Liquid Paraffin
## Overview
Liquid paraffin is a mineral oil used as an emollient and laxative. It lubricates the intestinal tract, softening stool and easing defecation. It is not absorbed by the body.
## Primary Indications
* Constipation
## Adult Dosing
* **Oral:** 10 mL to 30 mL once daily, typically at bedtime. Maximum dose not well-defined, but higher doses increase the risk of adverse effects. Dosing may be adjusted based on clinical response.
## Pediatric Dosing
* **Oral:** Dosing is highly variable and should be guided by pediatrician or local protocol. Generally, lower doses are used for younger children. For example, ages 1-5 years: 5 mL once daily. Ages 6-12 years: 5-10 mL once daily. Doses should be administered cautiously due to risk of aspiration.
## Dose Adjustments
No specific dose adjustments are typically required for renal or hepatic impairment, as the drug is not absorbed.
## Contraindications
* Hypersensitivity to liquid paraffin.
* Patients with difficulty swallowing due to the risk of aspiration and lipoid pneumonia, especially if administered in the supine position.
* Children under the age of 1 year (unless under strict medical supervision due to aspiration risk).
* Intestinal obstruction.
* Appendicitis or undiagnosed abdominal pain.
## Adverse Effects
* **Gastrointestinal:** Anal leakage, abdominal cramps, nausea, vomiting, diarrhea.
* **Long-term use:** Potential for decreased absorption of fat-soluble vitamins (A, D, E, K).
* **Aspiration:** Can lead to lipoid pneumonia, which can be severe and chronic.
## Key Drug Interactions
* **Fat-soluble vitamins:** Long-term use may impair absorption. Consider separate administration or vitamin supplementation.
* **Mineral oil (systemic absorption):** Concurrent use with other medications that may be absorbed systemically (though minimal for liquid paraffin itself) could theoretically be affected by reduced gastrointestinal transit time.
## Monitoring
* Monitor for bowel movements and consistency.
* Assess for adverse effects, particularly anal leakage and abdominal cramping.
* In long-term users, monitor for signs of vitamin deficiency.
## Clinical Pearls
* Administer liquid paraffin with caution, preferably in an upright position, to minimize aspiration risk.
* Avoid concurrent administration with meals, as this increases the risk of aspiration.
* Long-term daily use should be discouraged due to potential complications. It is best used for short-term relief of constipation.
* Effectiveness can vary; titrate dose based on patient response.
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*Disclaimer: This information is intended for clinical pharmacists and should not replace professional medical advice. Always verify current prescribing information and consult with a healthcare provider before making any treatment decisions.*
