Action of homeopathic medicines is not slow. The medicines act even faster that allopathic medicine. However, if the disease has developed over a period of time then it may take time to get cured completely. If it is of recent origin then it gets cured swiftly. If you are under homeopathic treatment for a longer period of time then the ailments you suffer from in-between the chronic sufferings gets cured of fast. If you compare allopathic therapy for diseases like bronchial asthma, high blood pressure, diabetes mellitus, thyroid disorders even those medications have to be taken life long. We have seen homeopathic medicines reliving fever in five minutes which was faster than allopathic medicines.