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Malathion
Aka: Malathion, Ovide
- Preparations
- Malathion 0.5% in Isopropanol 78% (Ovide Lotion)
- Indications
- Resistant Head Lice
- Mechanism
- Irreversible Cholinesterase Inhibitor (Pesticide)
- Efficacy
- Highly pediculicidal (kills lice)
- Highly ovicidal (kills eggs)
- Offers residual protection by binding hair
- Resistance has been reported
- Directions for use
- Apply lotion to dry hair until hair and scalp is wet
- Wash hair after 8 to 12 hours
- Remove nits with fine-tooth comb
- Re-treat in 7 to 9 days (if needed)
- Adverse Effects
- Very safe
- Little if any systemic absorption at this dose
- Stinging and irritation secondary to Alcohol base
- Precautions
- Flammable - keep away from flame or heat source
- Keep lotion away from eyes
- No recommended for infants
- References
- (1999) Med Lett Drugs Ther 41(1059):73-4 [PubMed]