Symptoms

Symptoms of head lice infection include itching, skin irritation, and occasionally visible lice or eggs on the scalp.

Location

Head lice are localized on the human scalp and in the hair.

Diagnosis

Diagnosis of head lice infection is made by inspection of the scalp and hair. The search for live lice and eggs (nits) is an important part of the diagnosis.

Therapy

Treatment of head lice consists of applying insecticides to the scalp and hair. There are also alternative treatments such as the application of essential oils and special combs to remove the lice and nits.

Course

A head lice infection can persist for several weeks or months if not treated.

Prognosis

Early treatment usually leads to a complete cure. However, head lice can recur if preventive measures are not taken.

Frequency

Head lice occur worldwide and are a common disease, especially in school-aged children.

Risk factors

Risk factors for head lice infection include close contact with infected persons, especially in schools and kindergartens.

Prevention

Prevention of head lice consists of avoiding close contact with infected persons and regular checking for head lice.

Pathogenesis

Head lice spread from person to person by direct contact and lay eggs on the scalp.

Classification

There is no classification of head lice.

Staging

There is no staging of head lice.

Similar diseases

There are no similar diseases that could be confused with head lice.