You shouldn't drink cold drinks.
cough
You'd better sit down and relax, if you feel dizzy
dizzy
Why don't you take an aspirin for your head?
a headache
You'd better drink hot milk with honey for your throat
a sorethroat
You should put some hot cream on your back
backache
You shouldn't go to school and stay in bed.
cold
Why don't you go to the dentist?
a toothache
You shouldn't put a bandage on your finger
cut finger
You should put some eardrops into your ear.
an earache
You shouldn't eat all that chocolate. It isn't good for your stomach.
a stomach ache
You shouldn't eat too much food while in the car
sick