Drug Guide

Generic Name

Benzyl Alcohol

Brand Names Ulesfia

Classification

Therapeutic: Antiparasitic

Pharmacological: Topical antiseptic

FDA Approved Indications

Mechanism of Action

Benzyl Alcohol works by asphyxiating lice; it penetrates the chitinous exoskeleton and paralyzes lice, leading to their death by suffocation.

Dosage and Administration

Adult: Apply to dry hair to cover all affected areas, leave on for 10 minutes, then rinse. Repeat after 7 days if necessary.

Pediatric: Same as adult; specific guidance for children 6 months and older provided in product labeling.

Geriatric: No specific dosage adjustment required, but use with caution and monitor for hypersensitivity.

Renal Impairment: No specific adjustments noted.

Hepatic Impairment: No specific adjustments noted.

Pharmacokinetics

Absorption: Minimal systemic absorption when applied topically.

Distribution: Primarily remains on the skin/hair scalp.

Metabolism: Not significantly metabolized systemically.

Excretion: Excreted mainly via skin and in hair.

Half Life: Not applicable due to minimal systemic absorption.

Contraindications

Precautions

Adverse Reactions - Common

Adverse Reactions - Serious

Drug-Drug Interactions

Drug-Food Interactions

Drug-Herb Interactions

Nursing Implications

Assessment: Check for hypersensitivity, assess scalp and hair condition.

Diagnoses:

  • Risk for skin irritation or allergic reaction.

Implementation: Apply medication as directed, ensuring coverage of affected areas; avoid eyes.

Evaluation: Monitor for resolution of infestation and adverse reactions.

Patient/Family Teaching

Special Considerations

Black Box Warnings:

Genetic Factors: None specific to genetic factors.

Lab Test Interference: None known.

Overdose Management

Signs/Symptoms: Local skin irritation; systemic toxicity is unlikely due to minimal absorption.

Treatment: Supportive care; no specific antidote—remove application area and treat symptomatically.

Storage and Handling

Storage: Store at room temperature, away from heat and moisture.

Stability: Stable when stored properly.

This guide is for educational purposes only and is not intended for clinical use.