Feeling Tired, Sick, Or Run Down? 13+ Signs Of A Weak Immune System

A low immune system, also known as immunodeficiency, can manifest in many ways, and the signs and symptoms can vary depending on the specific type and cause of immunodeficiency.

It’s important to note that many of the upcoming signs and symptoms can also be caused by other health conditions, so if you are experiencing any of these symptoms, consult a healthcare professional for a proper diagnosis and treatment.

Frequent and persistent infections

Frequent and persistent infections are one of the most common signs of a weakened immune system. This is because the immune system is responsible for defending the body against infections caused by bacteria, viruses, fungi, and other pathogens. When the immune system is not functioning properly, it may not be able to mount an effective response to these pathogens, leaving the body vulnerable to infection.

Unsplash/Zohre Nemati
Unsplash/Zohre Nemati

These infections may also take longer to clear up, as the immune system may not be able to fight off the infection as effectively.