Table of Contents > Drug > Spinosad Print



Related terms
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    Related terms
    • Brand Names: U.S.: NatrobaT

    • It is used to treat head lice.
    • Spinosad harms the insects and insect eggs and treats the infection.


    How to take

    • Follow how to use carefully.
    • Do not take this drug by mouth. Use on your scalp and hair only. Keep out of your mouth, nose, ears, and eyes (may burn).
    • Wash your hands before and after use.
    • Cover eyes and face with a towel.
    • Shake before use.
    • Do not wet hair before putting on lotion.
    • Coat hair and scalp.
    • Do not cover head while lotion is on hair.
    • Leave on for 10 minutes.
    • Rinse fully with warm water. You may use shampoo after all of the lotion is rinsed out.
    • You may use a special nit comb or tweezers to get rid of dead nits (lice eggs) from hair, but you do not have to get rid of the nits. The lotion kills the nits too.
    • Wash all hair combs, brushes, hair clips, bedding, towels, and recently worn clothes in hot water or have them dry cleaned.

    Missed Dose

    • Do not put on 2 doses or extra doses.


    • Store at room temperature. Do not freeze.



    • If you have an allergy to spinosad or any other part of this drug.
    • Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.


    • Check all drugs you are taking with your doctor. This drug may not mix well with some other drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Tell your doctor if you are pregnant or plan on getting pregnant.
    • Tell your doctor if you are breast-feeding.

    Side Effects

    • Scalp irritation.
    • Skin irritation.

    Contact a healthcare provider

    • If you think there was an overdose, call your local poison control center or ER right away.
    • Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue or gray skin color; seizures; or swelling of face, lips, tongue, or throat.
    • Very bad skin irritation.
    • Any rash.
    • Side effect or health problem is not better or you are feeling worse.

    General Statements

    • If you have a very bad allergy, wear an allergy ID at all times.
    • Do not share your drugs with others and do not take anyone else's drugs.
    • Keep all drugs out of the reach of children and pets.
    • Most drugs may be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada, take any unused drugs to the pharmacy. Also, visit to learn about the right way to get rid of unused drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Call your doctor for help with any side effects. If in the U.S., you may also call the FDA at 1-800-FDA-1088 or if in Canada, you may also call Health Canada's Vigilance Program at 1-866-234-2345.
    • Talk with the doctor before starting any new drug, including OTC, natural products, or vitamins.

    Author information
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    Copyright © 2011 Natural Standard (

    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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