شفا = healing specially from God درمان= curing by any operation or therapy دکتر درمان کرد خدا شفا داد

شفا دادن is used only when someone except for a doctor cures a disease, for example if a priest cures someone by getting help from Jesus and by reading Bible, then you should use شفا دادن instead of درمان کردن Because it's not a normal treatment, right?? It's somehow a divine power and depends on our beliefs. Some may don't believe in شفا at all!!!!! It's quite normal.

مرسی خیلی ممنونم

دکتر زخمایش(سوختگی هایش)را درمان کرد.خدا او را شفا داد (او شفا یافت)ا