Primary immunodeficiency disease or PIDD is a group of over 250 genetic diseases that involve the immune system. Symptoms of primary immunodeficiency diseases depend upon the specific disease, but some may include:
- Enlarged spleen
- Abnormal blood counts
- Recurrent skin infections
- Digestive problems
- Frequent hard-to-treat infections
Treatment for primary immunodeficiency disease depend upon the cause.Read more: Primary Immunodeficiency Disease (PIDD) Article
Multimedia: Slideshows, Images & Quizzes
Ear Infection Quiz: Test Your Medical IQ
Is it possible to prevent ear infections? Take the Ear Infection (Otitis Media) Quiz to learn the risks, causes, symptoms and...
Headaches Quiz: Learn About Headache Pain
If you're plagued with headaches, our Headaches Quiz may help you identify causes, triggers, symptoms, and treatments for...
Stomach Pain Quiz: Nausea & Other Causes
Tummy Troubles? Get a better idea of what's causing the nausea, vomiting, bloating, gas, constipation, diarrhea, pain, and other...
Ear Infection Symptoms, Causes, and Treatment
Learn about the causes and symptoms of ear infections and how they are diagnosed and treated. Read about treatments such as ear...
Sinus Infection (Sinusitis) Symptoms & Treatment
Sinus infection (sinusitis) symptoms can include headaches, a sore throat, and toothaches. Chronic sinusitis may be caused by...
Bacterial Infections 101: Types, Symptoms, and Treatments
Learn more about bacteria and the most common bacterial infections. Get more information on bacterial skin infections, which...
A Cold or The Flu? How to Tell the Difference
Learn common symptoms of a cold and the flu. Discover the difference between a cold and the flu. Read about cold and flu...
Related Disease Conditions
Pneumonia is inflammation of the lungs caused by fungi, bacteria, or viruses. Symptoms and signs include cough, fever, shortness...
Sinus Infection (Sinusitis)
Sinus infection (sinusitis) is caused by allergies, infection, and chemicals or other irritants of sinuses. Signs and symptoms...
Diarrhea (Causes, Medicine, Remedies, Treatment)
Diarrhea is a change is the frequency and looseness of bowel movements. Symptoms associated with diarrhea are cramping, abdominal...
Ear Infection (Otitis Media)
Middle ear infection or inflammation (otitis media) is inflammation of the middle ear. There are two forms of this type of ear...
Nausea and Vomiting (Causes, Natural Remedies, Diet, Medication)
Nausea is an uneasiness of the stomach that often precedes vomiting. Nausea and vomiting are not diseases, but they are symptoms...
Swollen Lymph Nodes (Glands): Pictures, Causes, Locations, Symptoms, Treatments
Lymph nodes help the body's immune system fight infections. Causes of swollen lymph nodes (glands) may include infection (viral,...
Enlarged Spleen (Splenomegaly) Symptoms, Signs, Causes,Treatment
An enlarged spleen or splenomegaly, is generally caused by other diseases or conditions such as infections, cancers, blood...
Is Pneumonia Contagious?
Pneumonia is inflammation of the lung usually caused by bacterial or viral infection (rarely, also by fungi) that causes the air...
Is a Sinus Infection Contagious?
Sinus infection (sinusitis) is infection (viral, bacterial, or fungal) or inflammation of the sinuses. Symptoms of sinus...
Health Solutions From Our Sponsors
Subscribe to MedicineNet's General Health Newsletter