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Doctor insights on: For How Long Is Chickenpox Infectious

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Dr. James Ferguson
740 doctors shared insights

Chickenpox (Definition)

Caused by the varicella-zoster virus, chicken pox results in a blister rash that starts on the stomach, back, and face and spreads throughout the entire body. These small itchy blisters eventually scab over. Associated symptoms include itching, fatigue, malaise, and a fever. The most effective method to prevent spreading of the varicella virus is ...Read more


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Should I go to school if I have mild chickenpox? How long is it contagious for?

Should I go to school if I have mild chickenpox? How long is it contagious for?

No/a week: Chickenpox is one of the most contagious illnesses known, passing in saliva, droplets of a cough or direct contact with the wounds. Patients are contagious from the day before their first spot until the last one is dry,usually a week.Chickenpox, while often mild, can produce a fatal pneumonia in an adult and increases ones risk of invasive flesh eating bacteria by 50X. ...Read more

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I am on my 11th day of chickenpox i hav only few blister left to dry . Can i eat chicken and what should i avoid eating and how long am i contagious?

I am on my 11th day of chickenpox i hav only few blister left to dry . Can i eat chicken and what should i avoid eating and how long am i contagious?

Almost there: If you have no new lesions and all the old ones are dry and crusted over you are no longer contagious. And chicken pox has nothing to do with chicken or your ability to eat it. ...Read more

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Are my sons chickenpox contagious if I never had it?

Are my sons chickenpox contagious if I never had it?

Yes: Adults who have never had chickenpox (varicella) can get the disease if they are not immune. I t can be severe in adults and cause pneumonia and other problems. Call your physician because potentially you can be vaccinated if you were recently exposed or you can be potentially given antiviral medication. ...Read more

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Should I go to class with chickenpox? How contagious is it?

Highly!: It would be good for both you, and your classmates to stay home to recover until all of your blisters are completely scabbed and dry. ...Read more

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Wanted to know if chickenpox can still be contagious if it'sbeen 1 week?

Wanted to know if chickenpox can still be contagious if it'sbeen 1 week?

Depends: The chickenpox is considered contagious from 24-48 hours before the first spot appears.It continues to be contagious until the last lesion has dried, generally 6 days after they appear. If it has been a full week, the contagious period has likely passed. If your sores are still draining, the debris may have infectious material. ...Read more

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My cousin has chickenpox and I came in contact with him. How contagious is it?

My cousin has chickenpox and I came in contact with him. How contagious is it?

Very contagious: Chicken pox (varicella) is very contagious. If you previously were vaccinated or have had the disease, your chances of getting it are very low. If you have not had the disease or the vaccine, and you were just exposed, you potentially can get vaccinated to try to help protect you. Contact your physician. You can also call the cdc hotline at 1800 232 2522 and ask for advice for free. ...Read more

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When is chickenpox not contagious anymore?

When last spot dry: The contagious period of chickenpox extends from 24-48 hours before the onset of the rash for six to seven days.Over that period the average person will have 200 to 300 spots, that go through stages and dry.As these all reach the crusted dry stage, or 6-7 days out, you are no longer contagious. ...Read more

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Is chickenpox a contagious disease?

Is chickenpox a contagious disease?

Chicken pox: It takes between 10 and 21 days after contact with an infected person for someone to develop chickenpox (this is known as the chickenpox incubation period). While this is the complete range for the chickenpox incubation period, the usual chickenpox incubation period averages between 14 and 16 days. ...Read more

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Can i still take acyclovir 200 mg 1 wk after 1st chickenpox rash appeared. Doc says taking acyclovir at this stage will make me less infectious.

Can i still take acyclovir 200 mg 1 wk after 1st chickenpox rash appeared. Doc says taking acyclovir at this stage will make me less infectious.

Is diagnosis correct: At age 27 this infection is usually serious. If diagnosis is correct you should have started 1 week ago at 800 mg 5x a day for a week. Valacyclovir 1000mg 3x a day is more effective. Yes, it will make you less contageous. ...Read more

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If I am taking treatment for shingles, am I still contagious? what can I do to not spread the chickenpox virus with people around me?

If I am taking treatment for shingles, am I still contagious? what can I do to not spread the chickenpox virus with people around me?

About shingles: Shingles cannot be passed from one person to another. However, the virus that causes shingles, the varicella zoster virus, can be spread from a person with active shingles to another person who has never had chickenpox. In such cases, the person exposed to the virus might develop chickenpox, but they would not develop shingles. Once the rash has developed crusts, the person is no longer contagious ...Read more

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What is viral exanthematous fever ? My kid got this but doc told this is not measles a or chickenpox and lesions are not contagious. Please clarify.

What is viral exanthematous fever ? My kid got this but doc told this is not measles a or chickenpox and lesions are not contagious. Please clarify.

Viral Exanthem: This is not a specific disease. It is a virus with an exanthem (rash) an a fever. Few days of supportive care with fluids, acetaminophen/iburofen and should be good as new. The lesions may not be contagious but the virus surely is. ...Read more

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How long is chicken pox contagious? 

How long is chicken pox contagious? 

Varies: Patients (usually children) are infectious to others for roughly 2 days before the blisters occur and then until the blisters have formed scabs covering them completely, about 4 to 5 days. ...Read more

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For how long is chicken pox contagious for?

14 to 21 days: Chicken pox is contagious even before the rash appears and remain contagious till the last blister has scabbed ...Read more

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How long is a baby contagious with his chicken pox?

How long is a baby contagious with his chicken pox?

7-10 Days: About a week or until the last vessicle scabs over. About 7-10 days. ...Read more

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How long will my son be contagious with the chicken pox?

How long will my son be contagious with the chicken pox?

No less than a week : No less than a week from the first blister and up until the last blister has dried. They are often most contagious in their oral secretions in the day or so before they break out, but virus from the blisters can spread it too. ...Read more

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What to do if i want to ask how long is chicken pox contagious?

What to do if i want to ask how long is chicken pox contagious?

About a week: Chickenpox tends to emerge in waves of new spots over a period of 2-5 days.The blister grows, pops ; crusts usually within a single day. A person is considered contagious for 1-2 days before to 6 days after the emergence of the rash. ...Read more

Contagious (Definition)

One is able to transmit an infection to another by ...Read more