Health Articles

World Aids Day


AIDS (Acquired Immunodeficiency Syndrome) is the final stage of HIV infection. HIV or Human Immunodeficiency Virus is an infectious virus that affects the immune system, it will weaken the immune function to fight against invading diseases and then attack the entire body. HIV can be transmitted through blood, semen, vaginal fluid, and breast milk, or by mother-to-child infection during pregnancy. However, HIV can be treated if early detected and receive the medication strictly and continuously.

Dr. Amorn Saelao, an infectious disease doctor of Vejthani Hospital mentioned that most of the patients who are infected with HIV probably don’t know that they are infected because the patients will have no noticeable symptom but experience just flu-like symptoms such as fever, sore throat, and headache during the early stage of infection.

There are 3 stages of HIV infection:

  • The Acute HIV Infectious Stage is the 1st stage of HIV infection. It usually occurs between 2 – 4 weeks after infection. The patients will have just flu-like symptoms such as fever, sore throat, muscle pain, rashes, and headache. There is a high risk of HIV transmission during this stage.
  • The Clinical Latency Stage is the 2nd stage of HIV infection. The patients will have no symptoms during this stage. Generally, this stage lasts up to 10 years, but it may progress faster in some cases.
  • AIDS is the final stage of HIV infection. During this stage, the immune system became severely damaged with a CD4 count below 200 while the healthy immune system has a CD4 count at 500 – 1,600. The patients will have pneumonia, fatigue, acute weight loss, diarrhea, recurring fever, night sweats, swelling in the lymph nodes, and soreness in the mouth.

In addition, the patients may experience other complications, such as Tuberculosis, Pneumocystis pneumonia (PCP), Meningitis.

Typically, the doctor will use Antiretroviral Drugs (ARVs) in HIV/AIDS treatment. There are several types of ARVs and it works in different ways. ARVs work by inhibiting the viral enzymes that are critical to the HIV replication cycle. Therefore, it can reduce the risk of transmission and allows the patients to live longer. Furthermore, it is important to get tested because as what they say “the earlier, the better” because there will be no any noticeable symptom during the early stage of infection. If you are concerned that you may have contacted HIV, do not hesitate to get tested and receive the Post-Exposure Prophylaxis drugs (PEP) within 72 hours in order to reduce the risk of infection. Those who are at risk or need to be in contact with HIV/AIDS patients can also receive the Pre-Exposure Prophylaxis drugs (PrEP) to prevent the infection, said Dr. Amorn.

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