In general, Immune System protects body from bacteria and virus attack. Whenever it senses foreign invaders, immune system gets activated to fight against invaders and destroy them. Normally, Immune system can easily differentiate between foreign invaders and body’s own cells.

But in some conditions immunity system started act abnormally and attacks the healthy cells of own body organs and tissues.

What Causes Autoimmune Disease?

The exact reason behind autoimmune disease still unknown, but some risk factors may increase the chance of developing this disease. Risk factors like:

Side effects of some medication

Family history

Smoking

Exposure to toxins

Obesity

Infections.

Common Types of Autoimmune Disease:

There are number of autoimmune diseases, but most common are-

Type 1 diabetes

Rheumatoid arthritis

Psoriasis

Multiple sclerosis

Hashimoto’s thyroiditis

Grave’s disease

Addison’s disease

Celiac disease

Diagnosis:

Diagnosis of an autoimmune disease precisely is a bit challenging as the symptoms of autoimmune disease overlap with other issues and also it cannot be detected by single test. A combination of teste used by physicians to diagnose the exact part affected by autoimmune disease. Antinuclear antibody test (ANA) is commonly used to diagnose.

Treatment:

No treatment can cure autoimmune disease, the main purpose of treatment is just to control the overactive immune response and bring down inflammation or reduce pain and inflammation.

 

Reference:

https://www.healthline.com/health/autoimmune-disorders#common-autoimmune-diseases

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1566249/