Chickenpox is a viral infectious disease, primarily transmitted through droplets. It has an acute onset, and the third to fourth day of the outbreak is when the symptoms are most severe, with patients experiencing high fever and other symptoms. General protection and treatment are needed during this time, paying attention to good ventilation and moderate exercise in the house. Therefore, if a child has fever, general rash, especially vesicular rash, accompanied by scabs and scars, different rashes appearing at the same location, one must be highly vigilant whether the child has chickenpox. Once such a condition occurs, the child should be taken to a designated medical facility immediately for further diagnosis and treatment, and active treatment should be initiated after diagnosis is confirmed, with protection measures in place.

Chickenpox patients require medication, and systemic antiviral therapy can be carried out, with the preferred drugs being acyclovir, vidarabine, or interferon suppositories. If secondary bacterial infection occurs, antibiotics can be used to prevent secondary infection.

In addition, it is necessary to actively control complications. During treatment, most children respond well, but some severe patients may have concurrent laryngitis, pneumonia, myocarditis, and encephalitis, with the most serious complication being viral encephalitis.

The peak period of chickenpox usually occurs on the 3rd to 4th day of the outbreak, during which many new blisters appear, and the old ones have not yet scabbed. At this time, the entire body may be filled with blisters, making it look more severe, and fever may also occur. Children may have a high fever, while adults with strong immunity usually have less fever. If a high fever occurs during this period, symptomatic treatment to reduce fever is needed. If itching occurs, antihistamines can be used in conjunction to alleviate it and prevent scratching.

Chickenpox is caused by infection with the varicella-zoster virus. The virus can enter the body through the respiratory tract, mouth, and conjunctivitis, causing symptoms such as fever, sore throat, general malaise, and decreased appetite. The early symptoms of chickenpox are usually mild, and the rash appears rapidly within the first 1 to 2 days of fever. Initially, it starts as bright red macules, which then become papules a few hours later, and further develop into vesicles, reaching the peak on the day of rash appearance. Chickenpox rashes appear in stages, and after 1 to 2 days of rash, the vesicles begin to scab, healing within about 10 days.