Skip to the main content.

3 min read

Understanding Immunology: A Comprehensive Guide for Patients

Understanding Immunology: A Comprehensive Guide for Patients

Do you know what protects you from infections, diseases, and cancer? It’s your immune system.

The immune system is a complex network of cells, tissues, and organs that work together to defend your body against pathogens and harmful substances. Without it, we would be vulnerable to even the most common illnesses. That is why it's important to understand immunology and how it impacts our health. In this blog post, we will explain what immunology is, why it's important, and how immunologists can help you maintain a healthy immune system.

What is immunology?

Immunology is the study of the immune system and the complex processes that it uses to protect our body against pathogens. It includes understanding the different types of immune cells, the molecules they produce, and the signaling pathways they use to communicate with one another. Immunologists are trained professionals who specialize in the diagnosis and treatment of immune system disorders. They can help determine if you are at risk of infections or autoimmune disorders, and provide personalized treatment plans that are tailored to your specific needs.

The immune system defends our body against pathogens by recognizing specific antigens (molecules that are foreign to the body) and mounting an immune response against them. This is done through the action of immune cells, such as B and T cells, which produce specialized molecules (antibodies) that can recognize and neutralize pathogens. Immunologists can use different types of tests to evaluate the function of your immune cells and determine if they are working properly. By doing so, they can diagnose certain diseases, such as immunodeficiencies or autoimmune disorders.

laboratory with a scientists hand holding vials.

What does an immunologist do?

Allergies, asthma, autoimmune diseases, cancer, cholesterol, immunodeficiency, transplants, and vaccines are some key areas that immunologists specialize in. Below are specific situations of how immunologists manage, diagnose, and provide treatment for these areas.

Please consult with your physician for the best treatment course for you.

Asthma & Allergies

For example, allergies occur when the immune system overreacts to a usually harmless antigen, such as pollen or peanuts. Immunologists can help diagnose allergies and provide treatment options that can reduce your symptoms. Similarly, asthma is a chronic lung condition that can be triggered by allergens or irritants. Immunologists can help manage asthma symptoms through medication management and lifestyle changes.

Autoimmune Disorders

Autoimmune disorders, such as rheumatoid arthritis or lupus, occur when the immune system attacks its own body cells and tissues. Immunologists can diagnose and provide treatment plans for these conditions, which often involve immunosuppressive drugs or tailored biologic therapies.


On the other hand, cancer, like Dermatologic Cancer and Urologic Cancer, is a condition where the immune system fails to recognize and attack cancer cells. Immunologists can help stimulate anti-tumor immune responses and develop immunotherapies that can boost the immune response against cancer cells.


Transplants are procedures whereby the recipient’s immune system may often reject the transplanted organ, and so individuals have to take immunosuppressive medication for the rest of their lives. Immunologists can help manage the immune response to the transplanted organ and prevent organ rejection.


Finally, vaccines are a critical tool to prevent infections and disease. They work by training the immune system to recognize specific pathogens before they cause illness. Immunologists are involved throughout the process of vaccine development, from identifying antigens to conducting clinical trials to ensure their safety and efficacy. They also provide guidance and recommendations on which vaccines are appropriate for different age groups and medical conditions.


Specialized Immunology Treatments

Understanding immunology is critical for maintaining good health and dealing with immune-related diseases. Immunologists are trained professionals who specialize in the diagnosis and treatment of immune system disorders.

Senderra offers specialized immunology treatments for more than 15 specialties including dermatology, eczema and atopic dermatitis, autoimmune disorders, like rheumatoid arthritis, MS, psoriasis, alopecia, chronic asthma, lupus, gastroenterology, immune system disorders, dermatologic diseases, and more.

At Senderra, you'll talk with real people who are dedicated to enabling you to get the medications and supporting information you need. Have questions? Talk to a Senderra representative today!

Check out our new state-of-the-art facility!

New call-to-action

About Senderra

Senderra-Logo_Mark-Only_COLOR-1Senderra is a national specialty pharmacy, serving patients with challenging and ongoing medical conditions, like autoimmune disorders, through provision of specialty medicationsclinical expertise and support services

We dedicate ourselves to designing and executing a model to serve the needs of our patients and partners (PrescribersPharma and Payers) in order to make a difference and effect positive outcomes.


No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician. 


Mayo Clinic


Oncology Patient Resources

Oncology Patient Resources

Cancer.Net is the patient information website of the American Society of Clinical Oncology (ASCO). All patient education content is reviewed and...

Read More
Hepatitis C Patient Education Resources

Hepatitis C Patient Education Resources

An estimated 2.4 million people are living with Hepatitis C in the United States. About 4 in 10 people with Hepatitis C do not know they are...

Read More
A Guide to Biologics & Specialty Pharmacies for Psoriatic Arthritis

A Guide to Biologics & Specialty Pharmacies for Psoriatic Arthritis

Psoriatic Arthritis (PsA) is a chronic autoimmune disease that affects millions of people worldwide. It's a condition that not only causes joint pain...

Read More