How to determine if it is chickenpox

Written by Liu Gang
Dermatology
Updated on May 09, 2025
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Chickenpox is caused by an infection with the varicella-zoster virus and is highly contagious, spreading through contact with one another. Generally, the initial symptoms of chickenpox appear as small blisters on the body, which tend to increase in number within a day or two. Some blisters may burst or erode, particularly on the scalp, and are often accompanied by feverish symptoms. The natural course of the disease is about a week, and mild cases can recover spontaneously within a week. It is recommended that if diagnosed with chickenpox, antiviral medication should be administered and isolation should be practiced to avoid contact with children or older adults with weakened immune systems. Generally, treatment for about a week can lead to recovery.

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Written by Yuan Lin Yan
Infectious Disease
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Chickenpox prevention measures

Chickenpox is an acute infectious disease, and prevention of the infection mainly involves the following three aspects: First, control the source of infection. Patients with chickenpox are the only source of infection, so they should be isolated until all the chickenpox blisters have crusted over. Second, cut off the transmission route. Avoid close contact with chickenpox patients, prevent airborne droplet transmission, and avoid contact with items contaminated with the chickenpox virus. Third, protect susceptible populations. Chickenpox is highly contagious and generally susceptible in the population. Infants over one year old can be vaccinated with the chickenpox vaccine for prevention. Regular exercise, nutritional enhancement, physical strengthening, frequent hand washing, and maintaining ventilation in indoor environments are also advisable.

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Written by Hu Qi Feng
Pediatrics
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Can chickenpox in children be transmitted to adults?

Chickenpox is a highly contagious exanthematous disease caused by varicella-zoster virus infection. Its clinical characteristics include the successive or simultaneous appearance of papules, vesicles, and crusts on the skin and mucous membranes. Both chickenpox and herpes zoster patients are sources of infection, primarily from those with chickenpox. From one to two days before the onset of the disease until crusting, it is highly contagious, mainly transmitted through airborne droplets and the respiratory tract, or by contact with vesicular fluid. The general population is susceptible, especially pregnant women and people with low immunity, making it possible to transmit to adults.

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Written by Hu Qi Feng
Pediatrics
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What should be paid attention to when children have chickenpox?

Chickenpox is a self-limiting disease, and when there are no complications, treatment generally focuses on symptomatic relief. During illness, isolation should be maintained to prevent infection and enhance care, such as frequently changing underwear, trimming the child's nails, and wearing gloves to prevent scratching. Keep the air well-ventilated, provide sufficient fluids and easily digestible food. If a secondary bacterial infection occurs, antibiotic treatment should be administered. The child should be isolated until all the rash has crusted over.

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Written by Liu Gang
Dermatology
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What should I do if my child has chickenpox?

Chickenpox is caused by the varicella-zoster virus infection and is highly contagious, primarily spreading through the air or droplets. Once infected, it quickly spreads to children or older adults who are in contact with each other. It is best for a child with chickenpox to go to a dermatology department at a formal hospital for antiviral medication treatment. Some children may develop a high fever and can take some fever-reducing medicine appropriately; if there is an inflammatory infection, some anti-inflammatory drugs can be taken as needed. During treatment, it is important to isolate, drink plenty of water, and eat a light diet. Try to avoid going outside in the wind or to crowded places to prevent cross-infection. (Doctor's answer is for reference only; medication should be taken under the guidance of a professional physician, do not take medicine blindly.)

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Written by Liu Gang
Dermatology
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Symptoms and Treatment of Chickenpox

Chickenpox is primarily caused by an infection with the varicella-zoster virus, and the disease is generally transmitted through the respiratory tract. At the onset of the disease, red papules appear on the body, face, or scalp, which gradually develop into small vesicles. As the vesicles grow, they feel itchy. Scratching them can break the vesicles, leading to oozing and crusting. As the condition progresses, it can peak within two to three days, presenting with widespread vesicles throughout the body. In such cases, antiviral treatment should be promptly administered, such as acyclovir tablets or valacyclovir dispersible tablets. These can be combined with traditional Chinese antiviral medications, such as Scutellaria root oral solution.