usage in pairs. Suggest more phrases to talk about health.
a streaming cold an illness that seldom occurs
shake off a cold not be very well
be in poor health extremely/ dangerously ill
a contagious disease in danger of dying
a rare illness a heavy cold
suffer from a chronic disease disease that can be caught from somebody else
critically ill get rid of a cold
fight for one’s life have a disease that lasts through one’s entire life
adverse reactions become stronger
build up resistance benefit from the medication you receive
respond well to treatment negative response