A child with chickenpox should avoid aspirin.
If you have the chickenpox, you should stay home until you are no longer contagious; that is, until all blisters and sores have scabbed.
The fever for a child with chickenpox will usually last for two to three days.
If you have chickenpox, you should stay home unless you have contacted your health care provider who specifically advised you to come into the office.
Most people with a history of chickenpox will be safe if exposed to chickenpox. Certain conditions can make reinfection more likely. "Low immunity" is not a medical diagnosis, and you should contact your health care provider for advice specific to your particular medical condition.
Someone with chickenpox should stay home from work until all lesions are scabbed. In the US, your employer's policy about leave is individual to the company.
Swimming with chickenpox could spread the infection to others. A person with chickenpox should stay away from other people until the blisters and sores have scabbed. Swimming with open lesions may also cause a small risk of secondary infection if you swim in water that includes microbes.
There's nothing special to do. The student should stay out of school until all lesions are scabbed over.
Chickenpox is contagious by droplet transmission. You should not cook if you have chickenpox unless everyone in your family is immune.
There are no dietary restrictions when you have chickenpox. You can eat what you like.
If the older adult has had chickenpox or the vaccine, there is no additional risk from exposure to chickenpox. If not, the person should avoid contact with the chickenpox patient.
Current recommendations are for two doses of chickenpox vaccine, regardless of the history of chickenpox or shingles.