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How do you use Natroba? A comprehensive guide to effective treatment

4 min read

Natroba (spinosad) is a prescription head lice treatment that demonstrated superior efficacy over permethrin in clinical trials, with high rates of patients remaining lice-free. For those prescribed this medication, knowing how do you use Natroba properly is key to successfully eradicating an infestation.

Quick Summary

Natroba Topical Suspension is a prescription head lice treatment applied to dry hair and scalp for a specific duration. A second treatment is necessary only if live lice are seen 7 days after the first application. Proper application and environmental cleanup are critical for success.

Key Points

  • Prescription Required: Natroba is only available by prescription and should be used exactly as directed by a healthcare provider.

  • Apply to Dry Hair: The suspension must be applied to dry hair and scalp, not wet hair, to be effective.

  • Adhere to Recommended Duration: Leave the medication on the hair and scalp for the specific time indicated in the product instructions.

  • Repeat Treatment if Necessary: A second treatment is only required if live, crawling lice are observed 7 days after the first application.

  • Treat the Environment: Beyond treating the hair, wash all affected clothing, bedding, and personal items in hot water to prevent re-infestation.

  • Adult Supervision for Children: For pediatric patients, an adult must apply the medication and supervise the treatment.

  • Not for Infants Under 6 Months: The medication is not recommended for infants younger than 6 months due to potential side effects associated with benzyl alcohol.

In This Article

What is Natroba Topical Suspension?

Natroba is a prescription topical suspension containing the active ingredient spinosad, a naturally derived insecticide. It is FDA-approved for treating head lice infestations in adults and children 6 months of age and older. Spinosad works by causing the central nervous system of lice and mites to become overexcited, leading to paralysis and death. Unlike some older treatments, Natroba has shown a high rate of effectiveness even against lice that may have developed resistance to other insecticides. It is important to note that Natroba contains benzyl alcohol and is not recommended for use in infants younger than 6 months due to the potential for increased systemic absorption.

Step-by-Step Instructions for Using Natroba for Head Lice

Following the manufacturer's instructions is crucial for the most effective treatment. An adult should apply Natroba for children.

  1. Prepare for treatment. Gather the necessary supplies, including the Natroba bottle, a towel to protect the eyes and shoulders, and a clock or timer.
  2. Shake the bottle well. Immediately before use, shake the bottle vigorously to ensure the medication is evenly mixed.
  3. Apply to dry hair. Ensure the hair is completely dry before beginning. Do not wet the hair or use conditioner beforehand. Use a towel to protect your face and eyes from any drips.
  4. Cover the scalp completely. Dispense enough suspension to cover the entire scalp first, as lice and nits are concentrated closest to the scalp. Work the product outwards to cover all dry hair. The amount needed depends on hair length and thickness.
  5. Adhere to the recommended duration. Once all hair and scalp are saturated with the suspension, leave it on for the specific time indicated in the product instructions or by your healthcare provider. Do not leave it on longer than instructed.
  6. Rinse thoroughly. After the recommended time, rinse the hair and scalp completely with warm water. Rinsing over a sink is recommended to limit body exposure.
  7. Wash hands and dry hair. Wash hands thoroughly after application and rinsing. The hair can then be dried with a clean towel.
  8. Check for effectiveness. A fine-toothed nit comb may be used to remove dead lice and nits, although it is not required for treatment success.

Important Considerations After Treatment

Effective lice management requires a multi-pronged approach that extends beyond the initial hair treatment. Taking these additional steps will help prevent re-infestation:

  • Wash all linens and clothing. Machine-wash and dry all recently worn clothing, hats, bedding, and towels in hot water and high heat to kill any remaining lice or nits.
  • Clean personal items. Soak combs, brushes, and hair accessories in hot water (at least 130°F or 55°C) for a specific duration.
  • Vacuum household surfaces. Vacuum furniture, carpets, and floors to remove any stray lice.
  • Repeat if necessary. Check the scalp for any live, crawling lice 7 days after the first treatment. If live lice are present, a second application of Natroba is needed.

Natroba vs. Over-the-Counter (OTC) Treatments

Natroba is a prescription medication, whereas many common head lice treatments like permethrin (e.g., Nix) are available over-the-counter. The primary differences lie in the active ingredients, efficacy, and application process.

Feature Natroba (Spinosad) OTC Treatments (e.g., Permethrin)
Availability Prescription only Over-the-counter
Active Ingredient Spinosad, derived from soil bacteria Permethrin or pyrethrin, synthetic pesticides
Mechanism of Action Causes neuronal overexcitation, leading to paralysis and death Disrupts the insect's nervous system
Efficacy Clinically shown to be superior to permethrin, with high success rates Decreased effectiveness observed in some areas due to resistant lice (super lice)
Nit Combing Not required for effectiveness Often recommended or required for optimal results
Re-treatment Required only if live lice are found after 7 days Often includes mandatory re-treatment after a specific interval

Warnings and Precautions

To ensure safe and effective use of Natroba, keep the following precautions in mind:

  • External use only: Never ingest Natroba. Keep it away from eyes, mouth, and other mucous membranes. If contact occurs, rinse immediately with water.
  • Not for all ages: Natroba is not recommended for children under 6 months due to the benzyl alcohol content.
  • Pregnant or breastfeeding: Consult a healthcare provider before using if pregnant, planning to become pregnant, or breastfeeding. While systemic absorption is low, it is recommended that breastfeeding women wash Natroba off the breast area with soap and water before feeding to prevent direct infant exposure.
  • Seek medical advice: If irritation of the scalp or skin occurs, or if live lice are still seen after a second treatment, consult your healthcare provider.

Conclusion

Using Natroba correctly is a straightforward process that offers a highly effective solution for treating head lice. The single-application nature and the lack of a mandatory nit-combing requirement make it a convenient option for many people. By following the precise steps of applying it to dry hair, leaving it on for the recommended duration, and properly rinsing, users can achieve excellent results. Additionally, combining the medication with thorough cleaning of personal items and the environment is crucial for preventing re-infestation and ensuring a completely successful outcome. If a second treatment is necessary, it should be done after 7 days. Adhering to all safety precautions will help ensure a safe and successful treatment experience. For detailed prescribing information, consult the official FDA-approved label.

Disclaimer: This information is for general knowledge and should not be taken as medical advice. Consult with a healthcare professional before starting any new supplement regimen.

Visit the FDA website for more information on Natroba

Frequently Asked Questions

No, you must apply Natroba Topical Suspension to completely dry hair and scalp. Applying it to wet hair can dilute the product and reduce its effectiveness.

Nit combing is not required for Natroba to be effective, as the product is formulated to kill both lice and their eggs (nits). However, a fine-toothed comb can be used to remove dead lice and nits after treatment if desired.

If you find live lice 7 days after the first application, you should apply a second treatment of Natroba. Live lice are often an indication of a new infestation or missed coverage during the initial application, not treatment failure.

The amount of Natroba needed depends on hair length and thickness. It is crucial to use enough suspension to completely cover the scalp and all hair.

Natroba is approved for use in children 6 months of age and older. However, it is not recommended for use in infants under 6 months due to the potential risks associated with the benzyl alcohol ingredient.

The most common side effects reported with Natroba use include redness at the application site (scalp) and redness of the eyes. Less common side effects include skin irritation, dryness, or peeling.

Store Natroba Topical Suspension at room temperature, between 68°F to 77°F (20°C to 25°C), and keep it out of reach of children. Do not freeze the medication.

Natroba should be left on the hair for the specific duration indicated in the product instructions or by your healthcare provider. Adhering to the correct time is important for effectiveness.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.