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# Liquid Paraffin
## Overview
Liquid paraffin is a mineral oil used as an emollient and laxative. It works by lubricating the stool, making it easier to pass.
## Primary Indications
* Constipation
* Soothing dry skin (topical use)
## Adult Dosing
**Oral (Laxative):** 10-30 mL once daily, typically at bedtime. Maximum dose is generally not specified but should be based on symptomatic relief and avoidance of adverse effects.
**Topical (Emollient):** Apply thinly and as needed to affected skin areas.
## Pediatric Dosing
**Oral (Laxative):**
* **1-5 years:** 5 mL once daily.
* **6-12 years:** 10 mL once daily.
* **Over 12 years:** 10-20 mL once daily.
* *Note: Dosing for children under 1 year is generally not recommended without physician guidance. Local protocols may vary.*
**Topical (Emollient):** As directed by a healthcare provider.
## Dose Adjustments
No dose adjustments are typically required for renal or hepatic impairment.
## Contraindications
* Known hypersensitivity to liquid paraffin.
* Appendicitis or symptoms of acute abdominal pain.
* Intestinal obstruction.
* Difficulty swallowing (risk of aspiration).
## Adverse Effects
* **Common:** Abdominal cramps, diarrhea, nausea, anal leakage (especially with higher doses or prolonged use).
* **Rare but serious:** Lipoid pneumonia (if aspirated), vitamin malabsorption (with chronic use).
## Key Drug Interactions
* **Mineral oil:** Can impair the absorption of fat-soluble vitamins (A, D, E, K) and certain oral medications taken concurrently. Separate administration by at least 2 hours.
* **Anticoagulants:** Reduced absorption of vitamin K may theoretically increase the effect of warfarin, though clinically significant interactions are uncommon.
## Monitoring
* Bowel movement frequency and consistency.
* Signs of dehydration or electrolyte imbalance with diarrhea.
* Long-term users: Monitor for signs of vitamin deficiency.
## Clinical Pearls
* Advise patients to take oral liquid paraffin at bedtime to minimize anal leakage during the day.
* Educate patients on the risk of aspiration, especially in the elderly or those with impaired swallowing.
* Topical use can help reduce water loss from the skin and soften dry, scaly areas.
* Avoid use in patients with suspected appendicitis or acute abdominal pain.
* Chronic use may lead to dependence or impaction.
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*Disclaimer: This information is for educational purposes only and does not constitute medical advice. Always consult the most current prescribing information and a healthcare professional for any medical concerns or before making any decisions related to your health or treatment.*
