Head Lice FAQ's

Below is a list of questions your children may ask:

 

What are head lice?

Head Lice are little insects that live in your hair. They nibble at your scalp and make you itch.

What's a louse?

'Lice' is plural for 'louse.' If you have more than one LOUSE on your head, you have head LICE.

How big is a louse?

A louse is actually very small. They can be about the size of a sesame seed. (1/16 to 1/8 of an inch.)

What color is a louse?

It depends on you. A louse can be darker on dark hair, or lighter on light hair. Normally, they are light to dark brown, or black.

What's a nit?

A louse's egg is called a nit. Nits typically hatch in eight to twelve days.

What does a nit look like?

Nits are very small. They're smaller than a mustard seed! (1/32 of an inch.) They are oval-shaped, gray to white in color and clear when empty after hatching.

What's a nymph?

A nymph is a baby louse.

How do head lice move?

A louse crawls on six legs. They do NOT fly, jump or hop, but they can move very fast.

Can you get head lice from your pet?

No. Head lice do NOT live on animals. They only live on human scalps.

What do head lice eat?

Head lice need blood to survive. They use their little sucking mouths to get blood from your scalp.

How do head lice stay on my head?

Head lice have tiny but powerful claws that hold onto your hair.

Where do head lice come from?

Nobody really knows where head lice come from, but their remains have been found on mummies in Egypt.

How many head lice are on my head?

It's hard to say, but a female louse may may lay 6 or more nits (eggs) a day on your head.

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Why are nits so hard to get off my hair?

Female lice glue their nit to your hair with a very strong gummy solution. It makes the nit really hard to remove.

When does the nit hatch?

One nit can hatch after eight to twelve days and become a nymph.

When does a nymph start laying eggs?

A female nymph will become an adult in three to five days.

How long does a louse live?

A louse will live for about thirty days, so they can make lots of lice in their lifetime.

Why does my head itch?

When a louse eats, their bite leaves their saliva in your skin. That's what makes you itch.

Can you get a disease from head lice?

Most scientists don't think head lice can give you a disease. But if you scratch your head enough, it can cause an infection.

Does my hair have to be combed?

With Natroba™, nit combing is not required. Natroba™ was found to be safe and effective at eliminating head lice without nit combing. Most other treatments require nit combing.

Talk to your doctor about what treatment is right for you.

 

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Indication

Natroba™ Topical Suspension is a pediculicide indicated for the topical treatment of head lice infestations in patients four (4) years of age and older.

Adjunctive Measures

Natroba™ Topical Suspension should be used in the context of an overall lice management program:

  • Wash (in hot water) or dry clean all recently worn clothing, hats, used bedding and towels
  • Wash personal care items such as combs, brushes, and hair clips in hot water

A fine-toothed comb or special nit comb may be used to remove dead lice and nits.

Important Safety Information

Natroba™ Topical Suspension contains benzyl alcohol and is not recommended for use in neonates and infants below the age of 6 months. Systemic exposure to benzyl alcohol has been associated with serious adverse reactions and death in neonates and low birth-weight infants. Most common adverse events were: application site redness (3%), eye redness (2%) and application site irritation (1%).

Consult the Patient Information, Full Prescribing Information and your doctor for more complete information on Natroba™ Topical Suspension.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call
1-800-FDA-1088.