Doctor insights on:
When Is Chicken Pox Not Contagious Anymore
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
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
When the chicken pox has crusted over that means your not contagious anymore, But if you accidently scratch one off does it become contagious again?
Unlikely: The contagious period for cpx is considered the first week after eruptions start.By that point,the body has surrounded virus with antibodies and they go to the skin surface to die (in blisters)The early blisters do have contagious viral particles but most of what you would get pulling a scab off is just body serum, with no viral particles.It would be a reasonable precaution to wash/cover that area ...Read more
I was not vaccinated with the varicella(chicken pox) vaccine. Is it more dangerous to catch chicken pox as an adult?
Very much so: The last 2 chickenpox deaths in my town included a newborn and a 22 yo otherwise normal adult. You may have had the cpx but never known (90%+ of adults) & you could have a blood test done to see, but the vaccine would be quicker & a cheep insurance against a bad disease. ...Read moreSee 1 more doctor answer
No, but : A few kids will develop an atypical vaccine response and have a few blisters come up. The blisters will contain viral particles that represent the weakened vaccine strain.These could be passed on by direct contact to an unvaccinated person.They would likely not have any outward symptoms but would then be immune as if s/he had been vaccinated. ...Read moreSee 1 more doctor answer
Shingles doesn"t : Cause shingles-it causes chicken pox. Shingles is contagious to people who have not previously had chickenpox, as long as there are new blisters forming and old blisters healing. Similar to chickenpox, the time prior to healing or crusting of the blisters is the contagious stage of shingles. Once all of the blisters are crusted over, the virus can no longer be spread & the contagious period is ove. ...Read more
Opposite is true: You will only have shingles if you had chickenpox or the chickenpox vaccine in the past.You may not remember having chickenpox, or it may have been called something else when you had it, but you must have the germ hibernating in your body for it to come out later as the shingles. ...Read more
Prior to spots + 7: Unfortunately CP is often passed in oro-nasal secretions for 1-2 days before the first spots appear.(leading to frustration on finding source) debris from blisters can spread CP until the last blisters have dried. Some offer 1 day before until day 7 of the rash as the general period of infectivity. ...Read moreSee 2 more doctor answers
Not really: There are a few kids that receive this vaccine that will breakout with blisters, however this is not the wild chickenpox. Most have fewer than 50 lesions (cpx average is 200) and they can spread the virus, but it is the weakened vaccine virus that they have and can pass. This would give kids that picked it up a chance to have the vaccine protection without a shot. ...Read more
No: Chickenpox can be passed by both airborn droplets in a cough and the debris from a leaking blister. Zoster does not involve a phaze with virus in your mucous so airborn spread is not likely;however, it can be passed by direct contact with the debris from leaking blisters. ...Read moreSee 1 more doctor answer
Possibly: The debris from the shingles sores can give chickenpox to a susceptible person.The shingles patient is not secreting the germ in their saliva, as they would during chickenpox.So if the sores are covered or the material is kept away from susceptible people, transfer will not occur. This is quite different from chickenpox, where airborne droplets easily spread the disease before the kid breaks out. ...Read more
Can I hold a newborn baby if my pink eye isn't contagious anymore? So, when isn't it contagious anymore?
When white: When the virus is losing the battle, the eye whitens up and the secretions decrease, then you are not shedding virus. Also you should wash your hands and face thoroughly and wear new clothes. Remember if the parents knew you had pink eye, despite whatever precautions you take, and the child gets it, then who is in the dog house! ...Read more
Is it possible that I never developed immunity to chicken pox even though I caught it in pre-school?
Yes.: It is indeed possible that your body did not make sufficient levels of antibodies to make you immune to chickenpox. But it is also possible that you never had chickenpox in the first place; multiple other viruses produce similar-looking rashes, and back in the day, many doctors assumed every rash was either measles or chickenpox. ...Read more
For the first year.: Babies are born with antibodies to chicken pox that they get from the mother, but only for the first year. At age 1 they are then vaccinated. One caution: if chicken pox occurs during first third of pregnancy, there is a small (2%) risk of congenital chickenpox in the baby, so that risk needs to be discussed with your obstetrician. ...Read more
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