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Know if You Have a Weak Immune System – Causes and Treatments

This article is like a test to know if you have a Weak Immune System and also provide possible treatments of all problems because of it.


The human body’s defense system, which helps fight off bacteria, cancer cells, and parasites, comprises white blood cells, antibodies, spleen, bone marrow, and lymph nodes.

If you are prone to frequent infections, you may have a weak immune system, which can be boosted.

Signs and symptoms of a weak immune system

Disclaimer: This isn’t a self-help post but rather for awareness purposes. Always seek the assistance of a licensed medical practitioner for professional advice.


Being more susceptible to illnesses can be a sign of immunodeficiency. 

  • Skin infection

Your skin is mostly the body’s first point of contact with viruses, bacteria, and pathogens. Different immune cells are found on your skin to help deal with a potential threat. When your immune system is weakened, wounds will take longer to heal, and you may experience skin breakout and more bacterial infections affecting the skin.

  • Inflammation of the internal organs

As they are collectively referred to, these chronic inflammatory diseases have varying degrees of severity and activity levels. They occur when the immune system attacks the body’s cells by mistake. Examples are Rheumatoid Arthritis and Crohn’s disease.

  • Digestive troubles

Having frequent diarrhea and constipation could be a sign of a compromised immune system. Studies show that nearly 70 percent of your immune system is housed in your digestive tract. They help to defend your gut from infections and provide additional support to the immune system.

  • Delayed growth and development in children

Heart defects, down syndrome, neural tube, etc., maybe the reason your child’s growth is stunted or delayed. It is a severe concern for most parents when their child isn’t growing at the normal rate expected for their stage. You should book an appointment with a physician once you suspect delayed growth.

  • Blood abnormalities

One such anomaly is iron deficiency anemia, caused by a shortage of iron in the blood used to produce hemoglobin. Hemoglobin is a protein in the red blood cell responsible for carrying oxygen around the body. Dizzy spells, paleness, etc., can often be associated with blood abnormalities.

  • Bronchitis

This disorder occurs when the bronchial tubes become inflamed and swollen. You stand a higher chance of getting bronchitis if you have a weak immune system due to old age or an ongoing illness. 


  • Meningitis

People with a greater risk of getting this disease are those whose immune systems have been compromised, especially the elderly and young children.

  • Pneumonia

Pneumonia is a lung infection caused by many different germs. You will be less able to off the bacteria, viruses, and fungi, causing bacteria if your immune system is weak.

  • Low energy level

An immunodeficient system while struggling to combat infections and illnesses can negatively affect your energy levels. You may experience frequent fatigue even when you are getting quality sleep daily.

Please take note that one can experience two or more of the above symptoms.

Causes of a weak immune system

Having a flawed immune system means you were born with it (congenital) or acquired it later in life. 

These are some reasons you may be suffering from a compromised immune system. 

  1. Medications or treatments, such as radiation therapy and chemotherapy.
  2. Bone marrow or solid organ transplant
  3. Old age
  4. Pregnancy.
  5. Malnutrition
  6. Stress
  7. Chronic medical conditions such as HIV, cancer, diabetes, heart and lung diseases, viral hepatitis, etc.

How to prevent a weak immune system?

Below are ways you can employ to reduce the risk of developing a weak immune system.

  • Get enough sleep

Sleep deprivation negatively impacts the average production of white blood cells. As an adult, get at least 7 hours of sleep every night, while infants and children should get 8-17 hours of sleep depending on their age.

  • Eat healthily 

A diet that is rich in vegetables and fruits will provide you with plenty of nutrients. You can improve your overall wellbeing when you eat healthy foods.

  • Exercise

Engage in regular physical exercises because it strengthens the body and reduces stress levels. People with a weak immune system shouldn’t engage in strenuous activities to further weaken the immune system. Regular, low intensity work out is likely to be helpful. Seek the advice of a licensed medical practitioner on the best physical activity to engage in.

  • Practice good hygiene

This is the cheapest and easiest way to stay healthy, especially during this Covid-19 era. Ensure you make handwashing a significant part of your lifestyle because it helps keep many illnesses at bay when done correctly.

  • Manage stress

A person under excessive stress is at risk of falling sick because it weakens the immune system and makes one more prone to infection. When your body is overworked, your body releases Cortisol, a stress hormone that lowers the white blood cells in your body. 

You can manage stress by giving yourself short breaks at intervals, getting a massage during the weekend, having strong social support from friends and family.

  • Avoid sick people

Distancing yourself from people who are sick may prove challenging to achieve. But you should do so if you have a vulnerable immune system. Until you are sure the illness has been resolved, avoid close contact with sick people.

Treatment for a weak immune system

  • Antibiotics and immunoglobulin therapy

These are the most common means of immunodeficiency treatment. Immunoglobulin consists of an antibody protein the immune system requires to fight infection. It can be administered intravenously (injected into the veins) or subcutaneously (underneath the skin).

  • Antiviral drugs 

Drugs such as acyclovir are used for treating viral infections caused by immunodeficiency.

  • Interferon-gamma therapy

Chronic granulomatous disease, a form of primary immunodeficiency, is treated by using this therapy. It is given as an injection in the arm or thigh three times a week.

  • Bone marrow transplant 

This is a procedure that can be carried out on patients who aren’t producing enough lymphocytes. Several forms of life-threatening immunodeficiency are permanently cured using this method. 

Final thoughts 

Having a weak immune system shouldn’t scare you. With professional medical advice, you can learn steps to keep yourself healthy and maximize your immune function. Hope you love reading “Weak Immune System Treatments”

Please share “Know if You Have a Weak Immune System – Causes and Treatments” with friends and family.

Red Note: 30 September 2022

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