Associated Auto-Immune Diseases

Type 1 Diabetes Mellitus
Autoimmune Thyroid disease
Rheumatoid Arthritis
Systemic Lupus Erythematosus
Autoimmune hepatitis
Autoimmune Addison’s disease
Recurrent aphthous ulcerations
Sjögren’s Syndrome
Sarcoidosis
Vitiligo or alopecia areata
IgA Deficiency
Psoriasis
Iron Deficiency Anemia
Osteoporosis
Neuromuscular disorders
Down Syndrome
Microscopic Colitis
IgA Nephropathy
A variety of cancers


Sources:
Celiac Disease: More Common Than You Think by Dr. David A. Nelsen, Jr., M.D. M.S.
Beth Israel Deaconess Medical Center - Celiac Disease Center
National Library of Medicine and National Inst. of Health - Celiac Disease