How To Reduce The Side-effects Of The Steroid, Wysolone, For Toxoplasmosis?

hi,i am a 19 year old girl.i am suffering from toxoplasmosis.i see black spots in my right eye.i have been advised to take wyselon by the doctor 4 six weeks.60mg for 1st week,then tappering it to 50mg,40mg,30mg n so.... for the next 5 weeks respectively.i wanted to know 2 reduce the side effects what should i do? what kind of diet should be taken and kindly tell me whatever precautions are required to be taken. i have already used this steroid before in july,2010 due to toxoplasmmosis for 20days and suffered a lot! i gained weight,my cheeks got swelled,calcium deficiency,acne,pimples,hair loss.i solicitly request you to suggest me some measures as soon as possible!!