So is she still taking the azathioprine and the prilosec?
Has her DR done any bloodwork recently to see if the azathiorprine is causing problems?
From webmd:
www.webmd.com/drugs/2/drug-13771/azathioprine-oral/details#side-effectsSide Effects
See also Warning section.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
You may experience stomach/intestinal symptoms such as nausea, vomiting, diarrhea, or loss of appetite. If these effects persist or worsen, notify your doctor immediately. These symptoms may be reduced by taking the medication after meals. Talk to your doctor or pharmacist about
other dosing advice that may also help with these symptoms.
Although unlikely, more severe stomach/intestinal symptoms (e.g., severe nausea/vomiting/diarrhea, stomach/abdominal pain) may occur as part of a very serious allergic reaction. Seek immediate medical attention if you have severe stomach/intestinal symptoms or other symptoms of a serious allergic reaction which may include: fever, shaking chills, rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing, cough, new or worsening joint/muscle aches, dark urine.