The remedies are still prepared in the same original method as Bach did and according to his extensive notes, although with the rapid spread of the Flower Remedy treatment around the world new methods have also cropped up. Most of these however adhere to Bach's original principles that the cure should be healing for the mind not the body as this was where all conditions started. In effect he asserted that harmful emotions were the cause for disease in people and his treatment methods addressed this factor. That one statement alone I'm afraid put him at immediate odds with the rest of medicinal science who don't even consider Bach Flower remedies to be of much import.
For the person suffering from anxiety and depression however any cure is a viable one if nothing has worked before it. Before trying any of these medications however consult your doctor to see if there might be possible side effects from these treatments especially if you're taking other medications as well.
Since each of the 38 flower remedies that Bach discovered has a corresponding harmful emotional feeling associated with it and since each of these imbalances can in turn be cured by one or a combination of the 38 flower remedies many ailments can be cured simply by using the prescribed treatment.
The remedies are produced using Bach's two methods where the first method is called the "Sun method" and the second one is called the "Cooking Method". The Sun method prescribes plucking the flowers on a bright sunny day and placing them in a glass bowl full of fresh spring water. The bowl of water logged flowers is then left in the sunshine for about two to four hours before the flowers are removed and the water preserved. An equal part of alcohol is added to the water to better aid in the preservation process and the solution is then stored away until such time as it's needed. At this time the remedy is again diluted with water and prescribed the needful amount to the patient.
The second method, the Cooking Method was used to accommodate such unchangeable factors as winter where the ability to use the Sun method was all but impossible. Here the flowers and buds of the necessary plants were plucked accordingly with the sun method but boiled down instead of left to infuse the water naturally. After numerous times filtering the liquid, alcohol would be added to the preparation to preserve its properties.
A quick internet search can help you to locate a practitioner near to where you live or might even yield a phone number.