Like any other system of medicine, homeopathy also needs to evaluate your condition thoroughly and make the correct diagnosis. Simply taking medication on the basis of symptoms will only mask your symptoms, and not get to the root of the problem. The symptoms can give your doctor a rough indication of what you could be suffering, but tests will help narrow down the diagnoses. Blood tests, X-rays and CT scan reports will provide the doctor with adequate information about the progress of your condition, presence of disease-causing virus or bacteria in your body, deficiency of vital minerals or nutrients, and several other medical facts that will help them suggest an appropriate remedy. For example, hair loss can be due to iron deficiency or anaemia. Your homeopathic doctor will be able to confirm the reason behind your hair loss only after the diagnostic report confirms it. Also, advanced diagnostic technology like 3D imaging device helps you know your response to the treatment and improvement in your condition even before it is seen by the naked eye, thereby saving your money and time.