- 1. Influenza (flu)
- (Influenza (flu))
- ... and vomiting. Influenza and its complications can be deadly. People at higher risk of developing flu complications include: Young children Older adults Pregnant women People with weakened immune ...
- 2. Female infertility
- (Female infertility)
- ... is vital in preparing the uterine lining for a fertilized egg. Premature ovarian failure. This disorder is usually caused by an autoimmune response, where your body mistakenly attacks ovarian tissues. ...
- 3. Infectious diseases
- (Infectious diseases)
- ... While anyone can catch infectious diseases, you may be more likely to get sick if your immune system isn't working properly. This may occur if: You're taking steroids or other medications, such as ...
- 4. Impetigo
- (Impetigo)
- ... ages 2 to 6 years and infants are most often infected. Children are especially susceptible to infections because their immune systems are still developing. And because staph and strep bacteria flourish ...
- 5. IgA nephropathy (Berger's disease)
- (IgA nephropathy (Berger's disease))
- ... you urinate. Immunoglobulin A (IgA) is an antibody that plays a key role in your immune system by attacking invading pathogens. But in IgA nephropathy, this antibody collects in the glomeruli, gradually ...
- 6. Idiopathic thrombocytopenic purpura (ITP)
- (Idiopathic thrombocytopenic purpura (ITP))
- Idiopathic thrombocytopenic purpura (ITP), also called immune thrombocytopenic purpura, is a blood-clotting disorder that can lead to easy or excessive bruising and bleeding. ITP results from unusually ...
- 7. Crohn's disease
- (Crohn's disease)
- ... disease, they don't cause it. Now, researchers believe that a number of factors, such as heredity and a malfunctioning immune system, play a role in the development of Crohn's disease. Immune system. It's ...
- 8. Inflammatory bowel disease (IBD)
- (Inflammatory bowel disease (IBD) )
- ... diet and stress are main causes, although stress can often aggravate symptoms. Instead, current thinking focuses on the: Immune system. Some scientists think a virus or bacterium may trigger IBD. ...
- 9. Group B strep disease
- (Group B strep disease)
- ... that impairs your immune system, such as diabetes, HIV infection, cancer or liver disease You're older than 65, particularly if you live in a nursing home Group B strep infection can lead to life-threatening ...
- 10. Graves' disease
- (Graves' disease)
- Graves' disease is an immune system disorder that results in the overproduction of thyroid hormones (hyperthyroidism). While a number of disorders may result in hyperthyroidism, Graves' disease is the ...
- 11. Burning mouth syndrome
- (Burning mouth syndrome)
- ... tests. Blood tests can check your complete blood count, glucose level, thyroid function, nutritional factors and immune functioning, all of which may provide clues about the source of your mouth pain. ...
- 12. Glomerulonephritis
- (Glomerulonephritis)
- ... are the human immunodeficiency virus (HIV), which causes AIDS, and the hepatitis B and hepatitis C viruses. Immune diseases Lupus. A chronic inflammatory disease, lupus can affect many parts ...
- 13. Geographic tongue
- (Geographic tongue)
- ... of disease or injury. The reason for this immune system error isn't well understood. Some people with geographic tongue have a family history of the disorder. Therefore, genetics may be a contributing ...
- 14. Gastritis
- (Gastritis)
- ... more likely to have H. pylori infection or autoimmune disorders than younger people are. Excessive alcohol use. Alcohol can irritate and erode your stomach lining, which makes your stomach more ...
- 15. Stomach cancer
- (Stomach cancer)
- ... stomach cancers. Cancer that begins in immune system cells (lymphoma). The walls of the stomach contain a small number of immune system cells that can develop cancer. Lymphoma in the stomach is ...
- 16. Gangrene
- (Gangrene)
- ... of frostbite Gangrene may occur due to one or both of the following: Lack of blood supply. Your blood provides oxygen, nutrients to feed your cells, and immune system components, such as ...
- 17. Jellyfish stings
- (Jellyfish stings)
- ... to jellyfish venom can develop a severe, potentially life-threatening allergic reaction (anaphylaxis) on exposure to jellyfish. A flood of chemicals released by your immune system during anaphylaxis can ...
- 18. Knee pain
- (Knee pain)
- ... rheumatoid arthritis is an autoimmune condition that can affect almost any joint in your body, including your knees. Although rheumatoid arthritis is a chronic disease, it tends to vary in severity and ...
- 19. Knee bursitis
- (Knee bursitis)
- ... below the joint. Obesity and osteoarthritis. Obese women with osteoarthritis often develop bursitis involving the inner side of the knee below the joint. Impaired immune system. People who ...
- 20. Klinefelter syndrome
- (Klinefelter syndrome)
- ... with blood vessels Increased risk of breast cancer and cancers of the blood, bone marrow or lymph nodes Increased risk of lung diseases, such as chronic bronchitis Increased risk of autoimmune disorders, ...