Chicken pox at this age is not very simple like in childhood.
You will need antivirals immediately and antibiotics if any added bacterial infection.
Take plain paracetamol for fever right now.
Next Steps
see an infectious disease specialist immediately.
Health Tips
Chicken pox at an older age can lead to complications like a viral pneumonia.
Apply Calamine lotion all over your body.
Have a bath everyday with plain water to wash away the sweat and dirt. Do not apply soap or run over the pox.
Drink plenty of water and juices to keep hydrated.
Eat soft and easily digestible food frequently in small quantities