Hello I Am Ankit 30yr Old I Face Acne.,acne Spot,chickenpox

Hello i am ankit 30yr old
I face acne.,acne spot,chickenpox scars, uneven,dull, sometimes dry otherwise a lil oily skin ,uneven skin tone,tan and boils on face with pus and blood and my back is also have these prob
I have recently visited a dermatologist and his prescription is below

Linox 600 1 tab day nd night for 7 days
Vizylac cap for 7 days
D acne 20mg for 30 days
Aziderm 10%
Deriva 0.1 for 30days
Niltan cream for 30days
Nadoxin cream 1
Tretinoin cream
Raystop spf 30 sunscreen

For hairs i have a lil acne prob on head
Endruff lotion
Nuforce shampoo

I want to know is this a good starting treatment
What care and precautions i should take
As my work is mainly of field
Any other things to use with these medication any vitamins and all .

What should i do