varicella

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Written by Yuan Lin Yan
Infectious Disease
1min 47sec home-news-image

What are the symptoms and treatments for chickenpox in children?

Symptoms of chickenpox in children vary with age. Infants often show no symptoms or only mild symptoms, which can include mild fever, irritability, and refusal of breast milk, accompanied by a rash. Older children may experience mild fever, headache, fatigue, sore throat, coughing, and decreased appetite. These symptoms persist for one to two days before a rash appears. The rash initially appears on the trunk and then spreads to the face and limbs. Chickenpox rashes often emerge in batches, so the same area may show maculopapular lesions, vesicles, and crusts at the same time. The crusts typically fall off about a week later, usually leaving no scars. Secondary bacterial skin infection, pneumonia, encephalitis, and hepatitis are possible complications. In terms of treatment, infected children should be isolated until all the vesicles have crusted over. During the fever, they should rest in bed, consume an easily digestible diet, stay hydrated, and practice enhanced skincare to prevent infection of the vesicles. Antiviral treatment within 24 hours of rash onset can control the progression of the rash and speed up recovery. If a secondary bacterial infection develops, antibiotics should be used. In cases where encephalitis causes cerebral edema, dehydration treatments should be administered. The use of corticosteroids is not advisable for treating chickenpox.

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Written by Li Jiao Yan
Neonatology
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Initial symptoms of chickenpox in children

Chickenpox is a contagious respiratory disease caused by a virus, characterized by a rash. Initially, symptoms resemble those of upper respiratory infections such as coughing, runny nose, mild fever, and decreased appetite. Subsequently, maculopapular rashes appear on the scalp and face, which gradually develop into vesicles. These vesicles contain a clear fluid, surrounded by reddened skin and are accompanied by itching. Therefore, if a child exhibits symptoms of an upper respiratory infection followed by vesicular rash, it is important to seek medical advice promptly to confirm if it is chickenpox. If diagnosed with chickenpox, isolation is necessary to prevent cross-infection.

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Written by Liu Gang
Dermatology
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The difference between papular urticaria and chickenpox

Papular urticaria is a type of red wheal that appears on the body after an allergic reaction, and may be associated with small blisters. It often relates to contact with irritants or insect bites. This condition is not contagious and can be cured in a short time with proper treatment, including the use of anti-allergy medications, although it may recur. Chickenpox is caused by the varicella-zoster virus infection, and is highly contagious, spreading through contact and air between individuals. It generally results in small blisters all over the body, especially on the scalp, and may be accompanied by fever symptoms. Chickenpox usually provides lifelong immunity, meaning that once a person has it, they are unlikely to have it again.

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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 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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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 Li Jiao Yan
Neonatology
56sec home-news-image

Can you get the chickenpox vaccine if you have a cold?

Vaccination is generally required when the baby is healthy, as most vaccines are antigens introduced into the human body to elicit an antibody response from the immune system. If a baby has a cold, it indicates a weaker immune resistance and possible bacterial or viral infection. Vaccinating in such a condition could potentially worsen the cold due to the already compromised immune system and may lead to other side effects such as high fever, rashes, or even other infections. Therefore, it is not recommended to vaccinate while the baby has a cold. It is better to wait a few days until the cold symptoms have completely subsided before vaccinating. Generally, delaying vaccination will not affect the baby and will be rescheduled according to the plan. Thus, it is best not to vaccinate when the baby has a cold.

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Written by Hu Qi Feng
Pediatrics
45sec home-news-image

Symptoms and Treatment of Chickenpox in Children

Chickenpox is an acute, contagious, exanthematous disease caused by varicella-zoster virus infection. Before the rash appears, symptoms such as fever, discomfort, and loss of appetite may occur. The fever typically lasts about one day before the rash emerges. The rash initially appears on the head, face, and trunk with a centripetal distribution. The rash can present as macules, papules, vesicles, and crusts all appearing simultaneously. Rashes can also appear on the mucous membranes of the mouth and the genital area. The treatment for chickenpox involves symptomatic and supportive care, and antiviral medications may be used appropriately to protect the skin and prevent scratching.

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Written by Yuan Lin Yan
Infectious Disease
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How is chickenpox treated?

The symptoms of chickenpox often present no symptoms in infants and toddlers, but they may experience low fever, irritability, and reluctance to breastfeed. Simultaneously, a rash appears. In older children and adults, symptoms can include low fever, headache, fatigue, sore throat, cough, and loss of appetite, followed by the appearance of a rash after one to two days. The rash first appears on the torso and then spreads to the face and limbs. Since chickenpox rash typically appears in batches, at the same site one may see maculopapular rashes, vesicles, and scabs. About a week later, the scabs fall off, generally leaving no scars. However, secondary bacterial infections of the rash can occur, leading to complications such as pneumonia, encephalitis, and hepatitis. Chickenpox is a self-limiting disease that usually resolves itself in about ten days. Treatment of chickenpox involves isolating the patient until all the blisters have completely scabbed over. During the fever phase, bed rest is recommended, along with easily digestible food and adequate hydration. Skin care should be emphasized to prevent infection. Early antiviral treatment can be effective, particularly if administered within 24 hours of the appearance of the rash, as it can help control the rash's progression and accelerate recovery. In cases of secondary bacterial infection, antibiotics should be used. If encephalitis leads to cerebral edema, dehydration treatment should be administered. The use of corticosteroids is not advisable for chickenpox as they can cause the disease to spread.

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Written by Yuan Lin Yan
Infectious Disease
2min 36sec home-news-image

Symptoms of chickenpox

Chickenpox symptoms are divided into two phases, namely the prodromal phase and the rash phase: 1. Prodromal phase. Infants and young children often have no symptoms or only mild symptoms, which may include mild fever, irritability, refusal to breastfeed, and the simultaneous appearance of rashes. Older children and adults may experience chills, mild fever, headache, fatigue, sore throat, cough, nausea, and loss of appetite. These symptoms last for one to two days before the rash appears. 2. Rash phase. The rash first appears on the trunk, then spreads to the face and limbs. It starts as red maculopapular rash, turns into papules within a few hours, and develops into vesicles. The vesicle fluid is initially clear but soon becomes cloudy, and itching often accompanies the vesicles. About a week later, the scabs fall off and heal, generally leaving no scars. However, if there is a secondary infection, pus-filled lesions may form, and scabbing and healing may take longer. Chickenpox rashes are distributed centripetally, mainly located on the trunk and then the head and face, with fewer on the limbs. Some patients may also develop vesicles on mucous membranes such as in the mouth, throat, conjunctiva, and external genitalia, which break open to form ulcers. The chickenpox rash often appears in successive crops, so at the same site, maculopapular rash, vesicles, and scabs can be seen concurrently. Chickenpox is generally a self-limiting disease and tends to heal naturally within about ten days. Children usually experience milder symptoms and rashes, while adults have more severe symptoms and are more prone to complications like chickenpox pneumonia. Individuals with lowered immune function are susceptible to disseminated chickenpox, where the rash may merge into larger vesicles. Infections during pregnancy can cause fetal malformations, premature birth, or stillbirth. If chickenpox occurs a few days before delivery, the newborn may contract neonatal chickenpox, which can be quite severe.