Complication /(?)/

Com·pli·ca·tion

Complication

n.
  1. The act or process of complicating; the state of being complicated; intricate or confused relation of parts; entanglement; complexity.
    A complication of diseases.
    Through and beyond these dark complications of the present, the New England founders looked to the great necessities of future times.
    — Palfrey.
  2. A disease or diseases, or adventitious circumstances or conditions, coexistent with and modifying a primary disease, but not necessarily connected with it. (Med.)