Prednisone makes our bodies metabolize sugar and carbohydrates differently making some people weight gain and experience high levels of sugar in the blood by making our bodies resistant to insulin. In this way, a person may develop diabetes. The rates of Prednisone causing this disorder are 10-24%. H.
Your ex-wife may receive Social Security Disability Income---SSDI---based on your condition, even if you are paying alimony. As with other Social Security benefits, alimony is considered unearned income and will reduce the overall amount of benefits she receives.
The basic rule is that Social Security benefits will be reduced by 2/3's of the spouse or widow(er)'s non-FICA taxed government pension. If the spouse's or widow(er)'s government (non-FICA paying) pension exceeds 150% of the normal spousal or widow(er)'s benefit the spousal benefit is eliminated.