-itis

1. Inflammation of a vein; when accompanied by thrombus formation it is called thrombophlebitis.
2. Inflammation of a vein which is marked by infiltration of the coats of the vein and the formation of a thrombus (vascular obstruction).

There is pain and tenderness along the course of the vein, discoloration of the skin, inflammatory swelling and acute edema (excessive amount of tissue fluid) below the obstruction, rapid pulse, mild elevation of temperature, and pain in the joints.

Ocular inflammation; especially, of the conjunctiva, due to intense light.

1. Inflammation of the brain or of its membranes, attended with delirium and fever; brain fever.
2. In Hippocrates’ classification, acute mental disease with fever. The other classes were mania (acute mental disease without fever); melancholia (chronic mental disturbances of various kinds, not limited to mood disorders); epilepsy (approximately the same as in current use); hysteria (somatoform disturbances, especially paroxysmic dyspnea, pain, and convulsions); and Scythian disease (transvestitism).

An inflammation of several joints at the same time.

Neuritis (inflammation of a nerve accompanied by pain and sometimes loss of function) involving several nerves simultaneously.

1. Inflammation of the kidney and its pelvis caused by bacterial infection: "Pyelonephritis is determined by a laboratory diagnosis of the urine (urinalysis) which reveals white blood cells (pyuria or pus in the urine) and bacteria in the urine (bacteriuria)."

"Usually, pyelonephritis shows an increase in circulating white cells in the blood (leucocytosis)."

2. Bacterial infection of the kidney that can be acute (sudden) or chronic (slow, subtle, and stubborn): "Pyelonephritis is usually a result of bacteria going up from the bladder and then on into the ureters to infect the kidneys."

"The symptoms of pyelonephritis include flank (side) pain, fever, shaking chills, sometimes foul-smelling urine, urgency (to urinate), frequency (urinating), and general malaise."