Chickenpox: Symptoms, Causes, Treatment & Prevention

 

Chickenpox

Chickenpox, also called Varicella-zoster, is characterized by a red rash that blisters and eventually scabs over. It spreads by bodily contact and bodily fluids and is very contagious. With a vaccination, chickenpox can be prevented.

What is Chickenpox?

An itchy, blister-like skin rash is the result of the chickenpox virus. It is caused by a virus known as varicella-zoster. The chickenpox virus is highly contagious. However, because there is a vaccine to prevent it, it is much less prevalent now. Although adults can contract chickenpox, children are the most susceptible.

Nearly everyone contracted chickenpox as an infant or child prior to the first vaccine being made available in 1995. However, the rate of chickenpox has declined by about 90% since the late 1990s. These days, the majority of children get a chickenpox vaccination as part of their regular immunization schedule.

You cannot contract chickenpox from another person once you have had it. You can contract chickenpox at any age if you are not immunized. It is preferable to contract chickenpox as a child or prevent getting it by getting vaccinated because adults who contract a condition may become very sick.

What are the three stages of chickenpox?

The appearance of the rash is typically used to describe the three stages of chickenpox:

• Stage 1: A red, bumpy rash. A few days may pass throughout this.

• Stage 2: is a blistering rash filled with fluid. After a day or two, the blisters burst.

• Stage 3: The blisters scab over . This phase also takes a few days to complete.

You may have all kinds of pimples at the same time, although the rash goes through 3 stages. This implies that although some bumps may be developing, others may already be breaking. Up to 10 days may pass while the rash is still present.

Symptoms:

The symptoms of chickenpox are visible. Healthcare professionals can frequently determine whether your child has chickenpox by looking at their skin. Chickenpox symptoms often appear in the following sequence:

• Low-grade fever

• I'm exhausted

• A headache

• A stomachache that prevents you from eating

• A skin rash that resembles several tiny blisters and is extremely irritating

• Bumps that are filled with what appears to be milky water

• Scabs following the blisters' rupture

• Blotchy-looking skin

• Crusty spots that fade

Children who have received a chickenpox vaccination are typically protected to getting it. However, some children will experience a "breakthrough" infection even after receiving the vaccination because it is not 100% effective. Fortunately, these "breakthrough" infections are typically quite mild.

Causes:

Chickenpox is caused by a virus. Viruses are transmitted by bodily contact (touching the rash) or bodily fluid (coughing, sneezing, etc.).

Also Read: Immune System Function & Disorder

Who 's at risk?

The following individuals are more likely to experience problems from chickenpox:

• Infants and newborns whose mothers were not vaccinated against chickenpox.

•  Children under the age of one who have not yet received the vaccination fall under this category.

• Adults and teenagers.

• Pregnant women without a history of chickenpox.

• Individuals who smoke.

• Individuals with HIV or cancer who take medication that affect the immune system.

• Individuals who take immune-suppressive medications for long-term conditions like asthma. or people who take medication to suppress the immune system after receiving an organ transplant.

What complications are possible in chickenpox?

Although improbable, complications from chickenpox could occur. They could consist of:

• Bacterial infections of your soft tissues, blood, and skin

• Reye's syndrome or encephalitis

• Pneumonia

• Dehydration

• Blood clotting disorder

•  Liver problem

Children in good health typically had mild cases of chickenpox even during periods when the infection was common. However, adults over the age of 18 may experience more severe symptoms from chickenpox.

Who is more susceptible to chickenpox complications?

Serious complications are rare in healthy children who contract chickenpox. A severe case of chickenpox, however, may be more dangerous for:

• Babies whose mothers were not vaccinated against chickenpox

• Women without chickenpox who were pregnant

• Anyone who is older than 18

• Individuals with immune system problems

• Individuals with HIV or cancer

• Those receiving chemotherapy

• Those who received an organ transplant

How is the diagnosis of chickenpox made?

Chickenpox symptoms are visible. Healthcare professionals can frequently determine whether your child has chickenpox by looking at their skin.

Treatment:

How can I treat my child's chickenpox?

Make sure your child drinks enough water and gets enough sleep. In a week or two, chickenpox will go away on its own. To lessen your child's itching, you can:

• Apply a cool, damp cloth to the rash.

• Keep children cool.

• Urge your child to refrain from scratching. To prevent them from scratching, cut their fingernails.

• Apply a lotion containing antihistamines to the rash. The pharmacy sells these creams. Ask the pharmacist for advice if you are unsure about what to purchase.

• Give your children an over-the-counter (OTC) antihistamine. OTC antihistamines include cetirizine (Zyrtec®) and diphenhydramine (Benadryl®).

• Every day, give your child a refreshing shower or bath. Another option is to bathe your child with oats. Avoid rubbing them with the towel when drying them off. Rather, give your child a dry pat.

• To keep your child from being dehydrated, give them lots of water and other fluids. If they develop oral blisters, a bland, soft diet can assist.

Avoid giving aspirin to your children. Children with fevers may be harmed by aspirin. Use acetaminophen (like Tylenol®) if your child requires a pain reliever. Consult your child's physician if you're unsure about which product to use.

Adult:

Adults who are generally healthy typically have more severe infections.Antiviral drug treatment (such as aciclovir or valaciclovir) is generally advised, provided that it is initiated within 24 to 48 hours of the rash's beginning.Adult chickenpox remedies are typically the same as those used for children. Antiviral medications are more frequently recommended to adults since they effectively lessen the severity of the condition and the risk of consequences. It is recommended that adults drink more water to prevent dehydration and relieve headaches. It is advised to take painkillers like paracetamol (acetaminophen) because they effectively reduce itching and other symptoms like discomfort or fever.

Prevention:

Can my child receive a vaccination to avoid contracting chickenpox?

Indeed, there is a chickenpox vaccination. The pediatrician will administer it to your youngster in 2 doses.

Your youngster should receive one dosage between the ages of 12 and 15 months if they are younger than 13. Between the ages of 4 and 6, the second dose is administered. The majority of children get vaccinated against measles, mumps, and rubella (MMRV) in addition to the chickenpox vaccine. It may also be a stand-alone vaccination.

The vaccination is also recommended for adults who have never had chickenpox. You should get two doses spaced at least 28 days apart if you are 13 years of age or older and have never received the vaccination.

Over 90% of cases of chickenpox can be prevented with vaccination. At least 91 million cases of chickenpox have been avoided since 1995 because to the vaccination.

Chickenpox and Shingles

You run the risk of developing shingles if you've had chickenpox. After the chickenpox rash goes away, the varicella-zoster virus remains in your nerve cells. A painful cluster of blisters known as shingles can be caused by the virus reactivating years later. Older folks and those with compromised immune systems are more susceptible to the virus returning.

Shingles can cause severe pain that last long after the blisters disappear. We refer to this as postherpetic neuralgia.

If you are 50 years of age or older in the United States, the Centers for Disease Control and Prevention (CDC) suggests getting the Shingrix shingles vaccine. If you are 19 years of age or older and have a compromised immune system due to diseases or medical treatments, the organization also recommends Shingrix. Even if you have previously had shingles or received the previous shingles vaccination, Zostavax, Shingrix is still advised.

Chickenpox and Pregnancy

Babies born to women who contract chickenpox early in pregnancy are more likely to have low birth weight and limb issues. The baby is more likely to get a potentially life-threatening infection if the pregnant woman contracts chickenpox during the week prior to delivery or within a few days following delivery.
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Discuss these concerns with your healthcare professional if you are pregnant and not immune to chickenpox.

How does chickenpox spread?

Chickenpox can get children at any age. Your youngster may seem OK for 1 to 3 weeks after contracting chickenpox before becoming ill. Before they exhibit any symptoms, children can spread the virus for 1 to 2 days until all of the blisters have scabbed or crusted over.

Chickenpox is spread by:

• Coming into contact with a chickenpox patient.

• Breathing in the air of an infected person who coughs or sneezes.

• Coming into contact with bodily secretions from the mouth, nose, or eyes of an infected child.

Where does chickenpox usually begin?

Chickenpox usually starts on your face and trunk, which includes your back and chest. It then spreads to your fingers and toes as well as the rest of your body.

What age will you get chickenpox?

It is more usual for people who are not vaccinated to get it between the ages of 3 and 6.

References:

• Chickenpox vaccination: What everyone should know. https://www.cdc.gov/vaccines/vpd/varicella/public/index.html. Accessed Dec. 30, 2022.

• Shingles vaccination. Centers for Disease Control and Prevention  https://www.cdc.gov/vaccines/vpd/shingles/public/shingrix/index.html. Accessed Dec. 30, 2022.

• Ayoade F, Kumar S. Varicella-Zoster Virus (Chickenpox) (https://pubmed.ncbi.nlm.nih.gov/28846365/). 2022 Oct 15. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Accessed 11/16/2023.

• Chickenpox (varicella): Prevention and treatment. Centers for Disease Control and Prevention. https://www.cdc.gov/chickenpox/about/prevention-treatment.html. Accessed Jan 10, 2023.

• U.S. Department of Health and Human Services. Chickenpox (varicella) (https://www.hhs.gov/immunization/diseases/chickenpox/index.html). Last reviewed 4/2021. Accessed 11/16/2023.

• Centers for Disease Control and Prevention (U.S.). Chickenpox (https://www.cdc.gov/chickenpox/index.html). Last reviewed 4/2021. Accessed 11/16/2023.

• Chickenpox (varicella). Merck Manual Professional Version. https://www.merckmanuals.com/professional/infectious-diseases/herpesviruses/chickenpox. Accessed Jan. 14, 2019.

• Chickenpox (varicella): Vaccination. Centers for Disease Control and Prevention. https://www.cdc.gov/chickenpox/vaccination.html. Accessed Dec. 30, 2022.

• Types of chickenpox vaccine. Centers for Disease Control and Prevention. https://www.cdc.gov/vaccines/vpd/varicella/public/index.html. Accessed Jan. 14, 2019.

• Immunization Action Coalition. Chickenpox (varicella) (http://www.vaccineinformation.org/chickenpox/)). Last reviewed 6/2021. Accessed 11/16/2023.