There is no direct alternate medicine to steroid in ayurveda. Ayurveda treats individual disease individual person. Medicine depends on the diagnosis.
In case of auto immune diseases, ayurveda shows a lot of success on managment.
To answer in a word, YES ayurveda can help you with your situation.
Please contact experienced ayurvedic doctor get apropriate treatment.
Next Steps
you can consult me one through practo.