<s>[INST] <<SYS>> This is a medical question of type : causes <</SYS>> What causes Serpiginous choroiditis ? [/INST] What causes serpiginous choroiditis? The cause of serpiginous choroiditis is unknown. Speculation exists regarding an association with exposure to various toxic compounds and/or infectious agents. Some researchers believe the condition is related to an organ-specific autoimmune inflammatory process. </s>