People coming for treatment may already have been diagnosed with a disease condition, for instance, allergies, irritable bowel syndrome, pre-menstrual syndrome, eczema, asthma, migraine, arthritis, depression, ADHD. They may be coming for a number of reasons. There may be limited orthodox treatment for their condition; they may not like taking strong medication and are worried about side effects; or they may want complementary help in addition to the orthodox approach.

Alternatively, a person may have no diagnosis but feel under par, have low energy and symptoms with which orthodox doctors are unable to make a diagnosis - they may feel unwell but may even have been told that there is nothing wrong with them.