Symptoms of an immune disorder include:
Autoimmune disease symptoms, such as aching joints, tissue destruction, and inflammation
Difficulty fighting infections or infections that last a long time. For example:
Taking antibiotics for more than one or two months with no success
Having infections that other people fight off easily, such as fungal infections of the mouth or skin
Frequent, severe infections. For example, someone with a primary immune deficiency may have:
Many ear infections in a year
More than one lung, sinus, blood, bone, or deep skin infection in a year
Trouble growing or gaining weight as an infant