1 Leber's hereditary optic neuropathy (LHON). 2  Particularly prevalent among males, this type of inherited optic neuropathy can affect even carriers who don't have other symptoms but do have a degree of color blindness. 3  Red-green color vision defects primarily are noted with this condition. 4  Kallman's syndrome.
This medical symptom information shows the various types of Fever, and other related symptoms or conditions, including their causes and diagnosis. 1  Chills. 2  FUO. 3  Low-grade fever. 4  Prolonged fever. 5  Mild fever. 6  High fever. 7  Very high fever. 8  Recurrent fever.
Fever blisters, also called cold sores, are caused by the herpes simplex virus, type 1. The blisters can occur on your lips, cheeks, chin, gums or nostrils. You might experience a tingling sensation one to two days before the initial fever blister outbreak of fluid-filled blisters around your mouth.