What's the matter?
He's got a toothache
What's the matter?
He's got a cold
What's the matter?
She's got a cough
What's the matter?
He's got a stomachache / His stomach hurts
What's the matter?
He's got a earache / His hear hurts.
What's the matter?
He's got a fever.
What's the matter?
She's got a backache
What's the matter?
She has got a headache / Her headache hurts.