When chicken pox start to show up, how long should the child be quarantined?

10-21 days fm expose. If you have an unvaccinated child with a known exposure time, the proper quarintine would start at 10 and go to 21 days.If your child was properly vaccinated i would skip the drauma of quarintine and simply be aware that a few vaccinated kids remain susceptable but rarely have a full case.Pregnant susceptable women & susceptable adults have the more intense problems with this disease.
Your child is... ...Contagious starting the day before fever or spots appear, until 24 hours after all the blisters have crusted over. This usually takes about 7 days from beginning to end.

Related Questions

Advice? When chicken pox start to form how long should the child be quarantined?

Till lesions crusted. Age old advise has been to keep the child away from others until all lesions are crusted over. Read more...
Contagiousness. Chickenpox is contagious 1-2 days before the rash and until all the blisters have scabbed. Read more...
7 days & dry. Once the blisters emerge you can start the clock on isolation.The general rule is seven days from the first lesion or until they have all dried, whichever is later. Since it is contagious before the rash, secondary cases could start showing up 10-21 days after that exposure. Read more...