What diseases cause the hemoglobin count to lower?

1. Anemia

* Iron-deficiency anemia

* Vitamin B12 deficiency anemia

* Folate deficiency anemia

* Aplastic anemia

* Sickle cell anemia

* Thalassemia

2. Chronic kidney disease

3. Cancer

* Leukemia

* Lymphoma

* Multiple myeloma

4. Liver disease

* Cirrhosis

* Hepatitis

5. Thyroid disease

* Hypothyroidism

6. Rheumatoid arthritis

7. Lupus

8. Crohn's disease

9. Ulcerative colitis

10. HIV/AIDS