-iasis

(Greek > Latin: suffix; a process; a diseased condition)

gnathostomiasis
A migrating edema, or creeping eruption, caused by cutaneous infection by larvae of Gnathostoma spinigerum.
hepatolithiasis
Presence of calculi in the liver.
hirudiniasis
A condition resulting from leeches attaching themselves to the skin or being taken into the mouth or nose while drinking.
hymenolepiasis
Illness produced by infection with tapeworms of the genus Hymenolepis.
hypochondriasis
A morbid concern about one's own health and exaggerated attention to any unusual bodily or mental sensations; a delusion that one is suffering from some disease for which no physical basis is evident. Synonyms: hypochondria, hypochondriacal neurosis.
hypodermolithiasis
Subcutaneous deposits of calcium. Also: calcinosis cutis.
hypotrichiasis
A less than normal amount of hair on the head and/or body. Synonyms: hypotrichiasis, oligotrichia, oligotrichosis.
-iasis
A condition or state, especially an unhealthy one; in medical neologisms it has the same value as, and is sometimes interchangeable with, Greek -osis.
ichthyophthiriasis
In veterinary medicine, a common, fatal infection of fish that causes chronic inflammation of the skin and gills in the form of spotty, white lesions, due to invasion by the protozoan fish parasite Ichthyophthirius multifilis.
leontiasis
The ridges and furrows on the forehead and cheeks of patients with advanced lepromatous leprosy, giving a leonine appearance.
microlithiasis
The formation, presence, or discharge of minute concretions, or gravel.
mydriasis
Dilation of the pupil.
myiasis
Any infection due to invasion of tissues or cavities of the body by larvae of dipterous insects.
nephrolithiasis
The process of forming a kidney stone, an existing stone in the kidney; or lower down in the urinary tract.

Kidney stones are a common cause of blood in the urine and pain in the abdomen, flank, or groin and they occur in one in twenty people at some time in their lives.

odontiasis
Eruption or "cutting" of the teeth, especially of the deciduous teeth (first or primary dentition; not permanent).