Signs and symptoms

Widening of the nostrils each time a person breathes in.

An uneasy feeling in the stomach with the urge to vomit.

Feeling sick to the stomach together with throwing up.

The death of cells or tissue in a part of the body.

A fast-spreading bacterial infection of the fascia and the tissue around it that kills tissue as it goes; the "flesh-eating" infection.

The top layer of skin separates or slides off when nearby skin is gently rubbed or pressed.

Waking up at night to urinate, more than once or more than is usual for the person.

A small, firm, rounded lump of tissue that can be felt or seen, in or under the skin or in an organ.

Not pointing to one cause or one disease.

Loss or reduction of feeling in a part of the body.

Rapid, repeated movements of the eyes that the person cannot control, side to side, up and down, or in circles.