I have a fever. What shouldn't I do?
You shouldn't go outside.
I am hungry. What should I do?
You should eat some food.
What should you do when you have a toothache?
I should go to see a dentist.
What should you do when you have a headache?
I should rest/ go to bed/ drink more water.
I'm thirsty. What should I do?
You should drink some water.
What should you do when you have an earache?
I should go to see a doctor.
I have a cough. What shouldn't I do?
You shouldn't eat ice cream.
What should I do when I have a stomachache?
You should drink more water.