Day Against Lice

June 15. A day you may not have heard of, but it affects millions of people around the world. World Head Lice Day is an unofficial but very necessary holiday. Lice are not a sign of dirt or social deprivation. They are parasites that equally love clean and dirty hair, rich and poor, adults and children. Every year, tens of millions of people suffer from pediculosis, especially children aged 4-12. Shame and misinformation hinder people from starting treatment on time, and doctors are sounding the alarm: lice are becoming more resistant to drugs. On this day, dermatologists, educators, and parents unite to tell the truth about lice and dispel myths.

Who are lice and where do they come from

Lice are small wingless insects that parasitize on humans. Three types: head (Pediculus humanus capitis), clothing (Pediculus humanus corporis), and pubic (Phthirus pubis). The head louse lives in hair, feeding on blood every 2-4 hours. Outside the human head, it dies within 1-2 days. The female lays eggs (nits), attaching them to the hair shaft. After 7-10 days, the larvae hatch, which become adults in 10 days. The cycle repeats. The source of infection is contact with an infected person (hair to hair). Lice do not jump or fly, they crawl. Therefore, you can get infected by sharing combs, hats, headphones, pillows, as well as in kindergartens, schools, camps. Lice do not carry diseases, but cause itching, sores, secondary infections.

The history of the fight against lice: from combs to chemistry

Lice have accompanied humans for millennia. Combs for combing nits have been found in the tombs of Egyptian pharaohs. In Ancient Greece and Rome, lice were treated with oils and combing. In the Middle Ages, people were shaved bald to get rid of parasites (hence the fashion for short haircuts). In the 19th century, the first insecticides (preparations based on mercury and sulfur) appeared. In the 20th century — DDT (now banned). In the 1980s, permethrin and malathion were used. In the 2000s — ivermectin (tablets and lotions). Today, the arsenal is wide, but lice evolve: they develop resistance to permethrin. Therefore, it is necessary to combine methods.

Myths about lice that hinder treatment

Myth 1: lice thrive on dirty people. Truth: clean hair is easier to colonize because it is harder to attach nits to dirty hair. Lice love healthy scalp skin. Myth 2: you can get infected from animals. Truth: human lice do not live on cats and dogs. Myth 3: lice carry AIDS, typhus. Truth: the head louse does not carry pathogens (the clothing louse does, yes, epidemic typhus). Myth 4: you can get rid of lice by dyeing your hair. Truth: dye contains oxidizers that can kill adult lice, but nits survive. Myth 5: one wash with kerosene is enough. Truth: kerosene is toxic, causes burns, but does not kill lice.

Modern treatment methods

Medications: permethrin (lotion, shampoo, cream) — requires two treatments with an interval of 7-10 days to kill emerging larvae. Malathion (liquid) — acts on nits but takes a long time to absorb (8-12 hours). Ivermectin (lotion) — effective but expensive. Spinosad (spray) — a new medication that kills nits. Physical method: combing nits with a fine comb (metallic, with notches). The combination of chemistry and combing is the gold standard. Folk remedies: applying oil (olive, coconut) at night makes it difficult for lice to breathe, but does not kill nits. Vinegar softens the "glue", but can cause burns.

Specifics in children: what parents need to know

Children aged 4-12 are at risk. They play in close contact, exchange hats, hairpins. When lice are found: do not panic, do not shame the child. Report to the kindergarten or school (so they can check others). Treat all family members (even without symptoms). Wash bedding at 60°C, iron with an iron. Wash soft toys. Soak combs, hairpins in alcohol or boiling water. Do not use pesticides on small children without consulting a doctor. Comb nits every 3 days for 2 weeks.

The problem of resistance and the future of the fight

Lice mutate: populations that are resistant to permethrin and malathion have appeared. Combinations must be used (for example, permethrin + combing). A vaccine is being developed? Not yet. A new agent is dimeticone (silicone oil), which physically blocks the breathing holes of lice. It is safe for humans. World Head Lice Day calls on scientists and pharmaceutical companies to develop new agents, and parents to reasonable prevention.

Social stigma and psychological aspects

Lice still cause disgust and fear. Parents are afraid that their child will be called a "slob". Children can become victims of bullying. Adults are ashamed to see a doctor. World Head Lice Day aims to remove this stigma. It is just as much a disease as a cold. No one is to blame. Treat and do not be ashamed.

How to celebrate June 15

Check your head and that of your children. If you find lice, treat them. Tell friends and neighbors about modern methods. Share information on social networks (with the hashtag #WorldHeadLiceDay). Do not be afraid to discuss the problem openly. Donate combs and shampoos to an orphanage or school.

Lice will not disappear, but we can make life with them less painful. World Head Lice Day is a reminder: the best weapon is not shame, but knowledge.

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