What they should do to get better     

She has a headache. She should stay home and rest. She shouldn't go to the work.

She has a fever. She should go to the medicine and stay home and rest.

She has a  sore throat. She should go to the medicine and stay home and rest. And she shouldn't eat ice scream.

He has a cough. He should stay home and rest.

She has a stomachache. She should go to the medicine.