have a cold	byc przeziebionym
have a cough	miec kaszel
have a fever	miec goraczke
have a headache	miec bol glowy
have a sore throat	miec chore gardlo
have earache	miec bol ucha
have flu	miec grype
have stomach ache	miec bol brzucha
have toothache	miec bol zeba
call a doctor	zadwonic do lekarza
call an ambulance	wezwac karetke
go to A&E (accident and emergency)	pojechac na ostry dyzur
go to the health centre	isc do przychodni lekarskiej
stay in bed	zostac w lozku
take (your) temperature	zmierzyc (sobie) temperature
take medicine	brac leki