He feels headache， nausea and vomiting.
He is under the weather.
He began to feel unusually tired.
He feels light-headed.
She has been shut-in for a few days.
Her head is pounding.
His symptoms include loss of appetite， weight loss， excessive fatigue， fever and chills.
He feels exhausted or fatigued most of the time.
He has been lacking in energy for some time.
He feels drowsy， dizzy and nauseated.
He feels as though everything around him is spinning.
He has noticed some loss of hearing.
She has some pains and itching around her eyes.
He has been coughing up rusty or greenish-yellow phlegm.
His eyes feel itchy and he has been sneezing.
He has a fever， aching muscles and hacking cough. （hacking = constant）
He coughed with sputum and feeling of malaise. （malaise = debility）
He gets a cold with a deep hacking cough.
He has a headache， aching bones and joints.
He has a persistent cough.
He has bouts of uncontrollable coughing.
He has hoarse and has lost his voice sometimes.
He has a sore throat and a stuffy nose.
His breathing is harsh and wheezy.
He has a stabbing pain that comes on suddenly in one or both temples.
He has a runny nose， sneezing or a scratchy throat.
His both hands and feet ache all over.
He has pain on the sole of his feet.
There is a wart-like lump on the sole of right foot.
His ankles look puffy and they pit when he presses them with his finger.
The pain in his left foot is accompanied by redness and swelling.
The joints near his fingernails and knuckles look swollen.
He has numbness and tingling in his hands and fingers.
His legs become painful following strenuous exercise.
His knee is misshapen or unable to move.
There are some swellings in his armpit.
He is troubled with painful muscles and joints.
She is troubled by the pains in the back and shoulders.
His knee has been bothering him for some time.
He is sleeping poorly.
He has difficulty in sleeping， inability to concentrate.
It is usually hard for her to fall asleep when she goes to bed at night.
He wakes during the night or early morning and finds it difficult to fallasleep again.
He has nightmares occasionally.
His breathing has become increasingly difficult.
He has to breathe through his mouth.
He is short of breath， even when he has not been exercising， he is breathless.
His cough is more like wheezing.
His cough is dry， producing no phlegm.
He has coughed up blood.
His nose stuffed up when he had a cold.
He coughs up a lot of phlegm （thick spit） on most days.
He has a feeling of tightness in the chest or a feeling that he is suffocating.
He has pain in his teeth or jaw.
He has some problems with his teeth.
The tooth hurts only when he bites down on it.
His gums are red and swollen.
His tongue is red and sore all over.
His breath smells bad and he has a foul taste in his mouth.