complication Synonym

difficulty - problem - obstacle - hitch - snag - setback - issue - entanglement - twist - complication - intricacy

A complication is an unexpected problem or secondary condition that develops during the course of an illness, medical treatment, or procedure, making the original situation worse or more complex. Complications can be mild or severe, temporary or permanent, and may affect different organs or body systems. They often arise due to infections, reactions to medications, surgical issues, or underlying health problems. In a broader sense, the term can also describe any additional difficulty that makes a situation more complicated. Preventing, recognizing, and managing complications is a central goal in medical care and patient safety.