Food allergy. Severe allergic reactions that are caused by foods. In autoimmune diseases, the body attacks normal, healthy tissues. Experts don't know why. Type 1 diabetes. The immune system attacks the cells in the pancreas that make insulin. Insulin removes sugar from the blood to use as energy. Rheumatoid arthritis. This type of arthritis causes swelling and deformities of the joints. An auto-antibody called rheumatoid factor or anti-CCP is in the blood of some people with rheumatoid arthritis.
This disease attacks body tissues, including the lungs, kidneys, and skin. Many types of auto-antibodies are found in the blood of people with lupus. Experts don't know what causes autoimmune diseases but many different factors seem to be involved. If you have an immune system disorder, learn as much as you can about it and work closely with your healthcare providers to manage it.
A few lifestyle changes and new habits can naturally keep your immune system strong and healthy:. Get information on a variety of health conditions, disease prevention, and our services and programs. It's advice from our physicians delivered to you on your time. Sign up for the Health and Wellness Newsletter. Author : Nadia Hasan, DO. About this Blog Get information on a variety of health conditions, disease prevention, and our services and programs.
Proper hand washing significantly reduces illnesses. The CDC also state that hand washing with soap and water can help protect children and minimize the number of deaths from pneumonia and diarrheal disease in those under the age of 5 years. People with a weak immune system should avoid being too near to anyone who has a cold or another infection.
Viruses and other infectious illnesses can spread from person to person through close contact. They can also spread in the water droplets that a person expels into the air when they cough or sneeze. It is not always possible to avoid people who are ill. However, a person with a weak immune system should always avoid close contact, such as hugging or kissing, with the unwell person until the illness resolves.
They should also avoid sharing food and beverages with the person. The CDC urge people with an increased risk to:. Click here to learn how the new coronavirus spreads. Germs that have the potential to cause illnesses can live on some surfaces and items in the home, such as doorknobs and remote controls. A person can reduce the number of germs that inhabit these areas and objects by disinfecting them regularly.
However, they may advise a person with a weak or compromised immune system to delay or not receive certain shots. If a short-term illness or a medication is responsible for the weak immune system, the person may be able to have the vaccine once the illness has resolved or they have stopped the treatment.
The CDC recommend a vaccination schedule that most people should try to follow. Vaccines can prevent a person from getting seriously ill. Stress can weaken the immune system further and make a person more susceptible to illness.
Some research shows that a person who is under excessive stress is more likely to get sick. People with a weak immune system should take steps to manage their stress. It also includes some cells and chemicals which can attack foreign substances. Active immunity , also called adaptive immunity, develops when you are infected with or vaccinated against a foreign substance. Active immunity is usually long-lasting. For many diseases, it can last your entire life.
Passive immunity happens when you receive antibodies to a disease instead of making them through your own immune system. For example, newborn babies have antibodies from their mothers. People can also get passive immunity through blood products that contain antibodies.
This kind of immunity gives you protection right away. But it only lasts a few weeks or months. What can go wrong with the immune system? Start Here. Diagnosis and Tests.
Laboratory Tests Immune Deficiency Foundation. Living With. Related Issues. Health Check Tools. Immune System Quiz Nemours Foundation. Videos and Tutorials.
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