5 to 7 days From one to two days before the rash starts, until all the blisters have crusted over (usually five to six days after the start of the rash).
After contracting the virus, the Chicken Pox would usually remain dormant for as long as several weeks. Once they start to move, the carrier would experience fever which could go as high as 108 degrees Fahrenheit. This would usually last for three days before progressing to the more familiar rashes.  How long does chicken pox lasts varies as exceptionally after the initial symptoms it takes weeks before blisters and rash occurs. How long does chicken pox lasts varies from one to three weeks usually for complete recovery if the physician’s advice is adhered. More likely by consuming lotions or taking drugs. Such treatment takes at least half a fortnight and may last up to three weeks for any adult or child suffering from this disease. Kind of diet you take can make difference to the fact of how long does chicken pox lasts. Symptoms of Adult Chickenpox. Symptoms of chickenpox in adults are similar to symptoms in children. Adult chickenpox symptoms can begin with 1 to 2 days of low-grade fever and tiredness. These early symptoms of chickenpox do not always occur before the chickenpox rash develops. Early adult chickenpox symptoms are followed by itchy blisters that first appear on the trunk, face, and scalp.  The incubation period is the time from when your child comes into contact with a person with chickenpox, to when the first symptoms appear. The incubation period for chickenpox is usually 14 to 16 days but can range from 10 to 21 days. A child is infectious 1-2 days before they get the rash until all the blisters have dried up. This usually takes 5 to 7 days. Report Abuse. it really depends on how well your body fights off the virus. I know young children who have had Chicken pox and it was such a weak strain the child was up and running around in 3 days. Also, in middle school I remember there was a rule when kids got it, it was mandatory they remained in quarantine for 9 days.  Chicken pox is one of the most common infectious problems in childhood, although it is decreasing as most children are now vaccinated. Your pediatrician would be able to discuss this issue with you in great detail. The infection can be spread both through the air (by coughing) as well as by contact with the fluid inside the chicken pox lesions. Usually people with chicken pox are infectious for several days already before they know they have chicken pox (before the rash appears) by coughing. Chickenpox is infectious from one to two days before the rash starts, until all the blisters have crusted over (usually five to six days after the start of the rash).  Characteristic pancorporeal varicella lesions in unvaccinated person. The incubation period for varicella is 14 to 16 days after exposure to a varicella or a herpes zoster rash, with a range of 10 to 21 days. A mild prodrome of fever and malaise may occur 1 to 2 days before rash onset, particularly in adults. In children, the rash is often the first sign of disease.  These symptoms of chickenpox appear 10 to 21 days after exposure to a contagious person. Adults may have a more widespread rash and longer fever, and they are more likely to experience complications, such as varicella pneumonia. The varicella vaccine has resulted in a decrease in the number of cases and complications from the disease. It protects about 70 to 90 percent of people from disease with a greater benefit for severe disease. Routine immunization of children is recommended in many countries. What are the symptoms of chickenpox? Most children with chickenpox act sick with vague symptoms, such as a fever, headache, tummy ache, or loss of appetite, for a day or two before (and 2-4 days after) breaking out in the classic pox rash. 
http://www.fastchickenpoxcure.com/blog/how-long-does-chicken-pox-last/ http://www.howlongdoes.com/health/how-long-does-chicken-pox-last/ http://chickenpox.emedtv.com/chickenpox/adult-chickenpox.html http://www.kidshealth.org.nz/chickenpox https://answers.yahoo.com/question/index?qid=20071223112715AAUAWk4 https://www.zocdoc.com/answers/3852/how-long-are-children-with-chicken-pox-contagious http://www.nhs.uk/Conditions/Chickenpox/Pages/Introduction.aspx http://www.cdc.gov/chickenpox/hcp/clinical-overview.html https://en.wikipedia.org/wiki/Chickenpox http://www.drgreene.com/articles/chickenpox/
how long does quarantine last for chicken pox