Yes it  can be permanently cured with Homeopathy Treatment . Very effective medicines are there in Homeopathic  With my treatment of 1.5 month you will get permanent relief. Will prescribe the complete treatment You can consult me now through online     Warm regards.

The source of all the body's nourishment is the soul. The effects of negative energy affect its spiritual state requiring a spiritual life cleanse that metaphysically restores the body back into a balanced state along with pure holistic solutions from divine meditation practice to hydration water therapy breaking down inflammation to awakening the higher heart so that the spiritual state comes back into alignment - peace is restored and the ailments are purified/cleansed. Our Holistic Clinic works with patients from all chronic ailments to restore freedom from negativity manifest as diseases.

The lupus is a serious disease that attacks mostly connecting tissues in different organs and that explains why you have symptoms all over your body.
For diet and possible treatment read the following article:
https://philaholisticclinic.com/natural-treatment-for-lupus/

There is no such this as homeopathic foods you can consume. Homeopathy are tinctures that are created specially for patients based on an extensive case taking of the patient. Now you have alot of inflammatory conditions so i would start with removing foods that cause inflammation from your diet. I'd start with tomatoes. I would add celery ,tumeric to your diet. Your digestive issues would require an stool sample and testing along with possibly checking for food sensitivities. I would love to help you with your health conditions.

You need a homeopathic consultation.