When looking for synonyms for the word "symptomatically," one could consider words that convey the sense of outward or visible expression of a medical condition. Some possible alternatives could include "clinically," which suggests a scientific or factual approach to diagnosing symptoms. Other options might include "apparently" or "ostensibly," which both connote an impression or appearance of a condition even if it hasn't been definitively diagnosed. Alternatively, one could use "externally" or "superficially" to suggest an observation of symptoms from the outside, or "manifestly" or "conspicuously" to highlight visible signs of an underlying problem. Ultimately, the most effective synonym will depend on the specific context and desired connotations of the text at hand.