I am under the weather.

I began to feel unusually tired.

He feels light-headed.

She has been shut-in for a few days.

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.

I have been coughing up rusty or greenish-yellow phlegm.

My eyes feel itchy and he has been sneezing.

I have a fever, aching muscles and hacking cough.

I coughed with sputum and feeling of malaise.

I get a cold with a deep hacking cough.

I have a headache, aching bones and joints.

I have a persistent cough.

I have bouts of uncontrollable coughing.

I have hoarse and has lost his voice sometimes.

I have a sore throat and a stuffy nose.

My breathing is wheezy.

I have a stabbing pain that comes on suddenly in one or both temples.

I have a runny nose, sneezing or a scratchy throat.

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 fall asleep again.