(informal) giardiasis (an infection by Giardia parasites)

plural of blackwater fever

Epidemic arthritic erythema, a form of rat-bite fever caused by the bacterium Streptobacillus moniliformis.

Pogosta disease

plural of rabbit fever

(slang, humorous or derogatory) An urgent desire to have a baby or grandchild.

(mountaineering) The compulsion to reach the summit of a mountain at all costs. / (figuratively, by extension) The obsessive need to complete a task.

(obsolete) typhus

(obsolete) A febrile disease characterized by dyspnea and bronchitis, caused by inhaling dust or mold.

A form of malarial fever encountered along the Chagres River in Panama.