When we think of the phrase "affected by illness," a plethora of synonyms comes to mind that can be used to express the same idea. For example, one could use "stricken with illness," "suffering from illness," "battling an ailment," or "afflicted by sickness." Other options include "hampered by infirmity," "troubled with malaise," "plagued by disease," or "hit by a bout of sickness." Each of these synonyms conveys the same meaning as "affected by illness" but offers a unique perspective on the condition. Whether you're writing a medical report or simply discussing someone's health, there are plenty of alternatives to choose from when describing someone's illness.