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Can Lice Make Your Hair Fall Out?

  • Post category:Hair
  • Post last modified:May 9, 2023
  • Reading time:7 mins read

No, lice cannot make your hair fall out. Lice are parasitic insects that feed on human blood and live in the scalp area of humans. They cause an itchy rash and can be spread through close contact or sharing clothing, bedding, hats or other items such as combs and brushes with someone who has them.

If left untreated they can cause secondary infections due to scratching which may lead to temporary hair loss but not because of the lice themselves but rather from a bacterial infection caused by scratching too much. Treatment for lice involves using over-the-counter medications that kill the bugs directly on the head as well as washing all clothes and linens in hot water with special detergents designed to kill any remaining eggs or nits (louse eggs) that may still be present after treatment is complete. The good news is that once treatment is successful regular combing will help remove any remaining dead hairs associated with the infestation so no long term damage should occur.


No, lice cannot make your hair fall out. While lice infestations can cause itching and irritation of the scalp, they do not actually damage your hair follicles or cause them to die off – meaning that lice themselves will not lead directly to any kind of thinning or balding. However, if you are scratching at your head excessively due to a severe case of lice, this could potentially weaken the roots of the hairs in certain areas and contribute to some temporary shedding.

Will Lice Go Away If You Wash Your Hair?

No, lice will not go away if you simply wash your hair. Lice are parasites that live on the scalp and require special treatment in order to be eliminated from the head completely. A person should consult with a medical professional or pharmacist for proper advice on how to effectively get rid of lice.

Common treatments include over-the-counter medications like shampoos and sprays, as well as prescription medicines such as malathion lotion.

Can Lice Make Your Hair Fall Out?


Will My Hair Grow Back After Lice?

Yes, your hair will grow back after lice. While the process of getting rid of lice can be frustrating, it is important to know that there are effective treatments available and that the hair loss caused by a lice infestation is temporary. Lice attach themselves to individual strands of hair and feed on blood from the scalp but typically do not burrow into the skin or cause permanent damage.

Treatment options include over-the-counter products containing insecticides such as permethrin or pyrethrins, or prescribed medications such as malathion. These chemicals act to kill both adult lice and their eggs (called nits). Depending on how long you have had an infestation, repeated applications may be necessary for complete eradication.

After treatment has been completed, new healthy hairs will start to regrow within 4–6 weeks in most cases; however, full recovery may take up to 12 months for some people with severe cases of head lice infestations.

What Happens If You Have Head Lice for Too Long?

If head lice are left untreated for too long, the infestation can quickly get out of hand and become difficult to treat. As the population of lice increases, it is more likely that eggs or nits will be laid in your hair. This means that after the initial treatment you may have to repeat it several times in order to completely eradicate all of the eggs and adult lice from your scalp.

Additionally, if a person has had head lice for an extended period of time, their scalp may become irritated or inflamed due to excessive scratching caused by itching. This can lead to secondary bacterial infections which require additional medical attention such as antibiotics or antifungal medications. In extreme cases, prolonged exposure to head lice can also cause anemia due to blood loss associated with frequent bites made by these pests on the scalp.

Therefore it is important not only treat head lice right away but also take preventative measures such as using medicated shampoos regularly and avoiding contact with people who have known cases of this condition in order protect oneself from getting infected in the first place.

Can Lice Make Your Hair Fall Out? | LiceDoctors


In conclusion, head lice can cause hair loss in some cases, but it is not common. If you think you have lice, it’s important to get proper treatment from a medical professional to prevent the spread of lice and potential hair loss. Fortunately, if caught early enough, most cases of lice-induced hair loss are fully reversible with the right care and treatments.