My mothr is 61 yrs old.She is suffering from vascular insufficiency in her both legs.One of the vascular surgeont Doctor has prescribed a compressd stockings for both the legs & Daflon 500 mg as oral tablet and told her to continue fr 3 weeks then stop for 3 weeks & then again start it....and the process will continues.My question is that will process help ?As of now it is under control bt during the discontinuation of Dafflon 500 if she stands for say 2-3 hours continuous the legs starts swelling....& is it ok to take a particular medicine continuous without thinking its side effects??