Its difficult to answer this question without a reference to your ailment. Steroids such as wysolone is used with that dosage for that duration and longer but it depends on the underlying ailment to have a clear picture to advise upon.
Health Tips
Wysolone as a steroid has side effects as all steroids do including increased blood
sugar levels, increased blood pressure, to name a few. On developing any such symptoms kindly inform your treating doctor right away