Complication

n. complicated state; something which complicates, something which creates additional problems

Several fields refer to complications:Complication (medicine) - an unfavorable evolution of a disease, a health condition or a medical treatmentComplication (horology) - a special feature in a mechanical clock that causes the design of the movement to become more complicated"Complication", the seventh track off of the second disc of the double album release The Fragile by industrial rock act Nine Inch Nails
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Complication /com·pli·ca·tion/ 1. disease concurrent with another disease. 2. occurrence of several diseases in the same patient. com·pli·ca·tion n. [more]Complication - Community and Resources

Noun
1. the act or process of complicating
(hypernym) hindrance, interference
(derivation) complicate, refine, rarify, elaborate
2. a situation or condition that is complex or confused; "her coming was a serious complication"
(hypernym) situation, state of affairs
(derivation) complicate, perplex
3. any disease or disorder that occurs during the course of (or because of) another disease; "bed sores are a common complication in cases of paralysis"
(hypernym) disease
(derivation) complicate, perplex
4. a development that complicates a situation; "the court's decision had many unforeseen ramifications"
(synonym) ramification
(hypernym) development
(derivation) complicate, perplex
5. puzzling complexity
(synonym) complicatedness, knottiness
(hypernym) complexity, complexness
(derivation) complicate, refine, rarify, elaborate

n. complication, complexity; involvement, entanglement; elaboration, intricacy, tangle