I Am 65 Old Lady And Suffering From Knee Pain

I am 65 old lady and suffering from knee pain problem. I am taking Ceregem Heating Therapy for the last four months. I have also been prescribed by my Ortho Dr to take following madicines "
1. Calcirol 1G Sachets once in a five days for two month
2. Vovraon Tablets
3. Diacerin Capsules - Orcerin
As I have knee problems for the last many years. I want to know whether these medicines will be useful taking along with Ceregem Threapy and side effects if any.