The best replacement for complications is comorbidities.

The best alternatives to complications are rated as following:
★★★★★  comorbidities

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Speaking about complications, one probably shouldn't forget about diabetes.

Other search terms related to complications and their ratings are:
★★★★★ diabetes
★ c section
★ lap band
spleen
You have in mind a companion for complications and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of complications in all years. Click on graph for more.
complications
comorbidities