Table of Contents
What is AIDS?
AIDS (acquired immune deficiency syndrome) is a life-threatening condition caused by human immunodeficiency virus (HIV). The virus makes your body weak and unable to fight off infections. It does this by attacking your body’s immune system, killing CD4 cells (also called T cells). Left untreated, HIV can kill so many CD4 cells that your body can no longer fight off infections. When this happens, it is considered stage 3 HIV, or AIDS.
Symptoms of AIDS
AIDS symptoms are triggered by the body’s weakened immune system. This means that if you have AIDS, your body cannot fight off infections and other conditions. People who have AIDS are at high risk of getting opportunistic infections. These infections can be caused by bacteria, viruses, fungi, etc. They can affect any part of the body. AIDS also puts you at higher risk for certain cancers, especially lymphomas and skin cancer, according to the National Institutes of Health (NIH).
AIDS symptoms will vary, but may include:
- Lung infections (cough, fever, and shortness of breath)
- Intestinal infections (diarrhea, abdominal pain, and vomiting)
- Extreme tiredness
- Swollen lymph glands
- Mouth sores
- Rashes or skin lesions
- Weight loss
What causes AIDS?
AIDS is caused by the HIV virus. The virus is spread from person to person several ways. You can get HIV by having sexual with a person who has HIV. You can also get it if you share a needle with someone who has HIV. Pregnant mothers who have HIV may pass it to their babies during pregnancy, childbirth, or while breastfeeding.
How is AIDS diagnosed?
When you have HIV, your doctor will monitor your CD4 count by ordering a blood test. A healthy CD4 count ranges from 500 to 1,600 CD4 cells. The lower your CD4 count, the less your body can fight infection. If your CD4 count drops below 200, your doctor may diagnose you with AIDS. Many times, you will also already have an infection or pneumonia due to the low number of CD4 cells.
Can AIDS be prevented or avoided?
You can prevent AIDS by preventing HIV. The best way to prevent HIV is to not have sex (vaginal, anal, or oral) with a person who has HIV, or share a needle with a person who has HIV.
Other ways to prevent HIV include:
- When you have sex, practice “safer” sex by using a condom. The best condom is a male latex condom. A female condom is not as effective but does offer some protection.
- Do not share needles and syringes.
- Never let someone else’s blood, semen, urine, vaginal fluid, or feces get into your anus, vagina, or mouth.
Even though there is no cure for HIV, there are many medicines available to help combat it. These medicines (called antiretroviral therapy or ART) will often prevent HIV from progressing to AIDS. Even when HIV does progress to AIDS, antiretroviral therapy is often still effective. However, it is most effective the earlier you begin treatment.
Living with AIDS
Without treatment, the survival rate for someone with AIDS is about 3 years. That number decreases if they get an infection or cancer as a result of their weakened immune system.
With treatment, though, the survival rate for HIV and even AIDS is much better. In the United States, most people with HIV do not develop AIDS because effective ART stops disease progression. People with HIV who are diagnosed early can have a life span that is about the same as someone like them who does not HIV, according to HIV.gov.
Questions to ask your doctor
- When should I begin taking antiretroviral medicine?
- How will you decide which medicine I should take?
- Are there lifestyle changes I should make to stay healthy?
- How can I protect my partner during sex?
- How can I protect myself from opportunistic infections?
- Can I have a pet?
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This information provides a general overview and may not apply to everyone. Talk to your family doctor to find out if this information applies to you and to get more information on this subject.