hyperaemia

Much pain is due to the super-sensitivity of an area through hyperaemia, or increased blood supply, following concentrated attention.

The beginning of an attack of inflammation of the iris is characterized by alterations in its colour due to hyperaemia and by circumcorneal injection.

Acute catarrh of the stomach is associated with intense hyperaemia of its lining coats, with visible engorgement and swelling of the mucous membrane, and an excessive secretion of mucus.

Alcohol and alkaline and carbonated drinks must also be avoided in all nervous conditions that are combined with hyperaemia of the brain, as meningitis, apoplexia, tumors of the brain, etc., since they produce congestions.

Acute inflammatory diseases of the brain and its coverings are associated with cerebral hyperaemia or congestion.