Symptoms are the language of a disease — the body’s attempt to balance itself. there are sometimes no visible symptoms of a disease. However, it depends on who is doing the looking. Some symptoms are only visible to a trained physician, not to a lay person, but that doesn't mean these symptoms don't exist. Sometimes, it takes medical interventions or diagnostic tests to confirm a condition.
There have been many cancer patients who reported that they hadn’t any cancer symptoms in years prior to their diagnosis. The explanation was probably not that they didn’t have infections during this period, but more likely that their bodies were unable to fight these infections by producing necessary symptom indications.
Homeopathy does not seek to remove or suppress symptoms. Its goal is to recognize and remove the underlying cause of these symptoms. This is why a homeopath will work toward understanding the whole person — including their body, mind and emotional state — before prescribing a remedy.