Published in : Tropical Medicine | October 22, 2024 |
Medically Reviewed
Introduction:
Human Immunodeficiency Virus (HIV) is a complex & challenging systemic condition that affects millions of people worldwide. While there is no definitive treatment and cure for HIV, advancements in medical science have transformed it from a once-fatal diagnosis to a manageable chronic condition. Let’s explore what HIV is, its stages, HIV symptoms, testing, and treatment options, and answer some frequently asked questions to help you better understand this condition.
HIV or Human Immunodeficiency Virus attacks a person’s immunity, particularly the CD4 cells (T cells), which support the immune system fight off infections. If left untreated, HIV can result in AIDS (Acquired Immunodeficiency Syndrome), the most severe stage (stage 3) of HIV infection.
HIV can transmit through certain body fluids, including blood, semen, rectal fluids, vaginal fluids, pre-seminal fluid & breast milk. The most common ways HIV is spread are through unprotected sex with an infected individual or sharing needles with someone having HIV.
It’s important to note that while there is no cure for HIV, with proper medical care and treatment, people with HIV can live long, healthy lives & prevent transmitting the virus to their sexual partners.
HIV infection progresses through three distinct stages:
This first stage of HIV infection typically occurs two to four weeks after the initial infection. During this stage, the virus rapidly multiplies in the body, attacking and destroying CD4 cells. Consequently, the level of HIV in the blood (viral load) is very high, making it easy to transmit the virus to others.
Acute HIV Symptoms are similar to those of the flu and may include:
It’s important to remember that not everyone experiences these symptoms, usually lasting for a few weeks. During this stage, an HIV test may not always detect the virus, as the body hasn’t yet produced enough antibodies. However, the viral load is typically very high.
Also known as asymptomatic HIV infection or clinical latency, this stage follows acute infection. During this phase, HIV continues to multiply in the body but at very low levels. People with chronic HIV infection may not experience any HIV-related symptoms, which is why this stage is sometimes called “asymptomatic.”
Without treatment, this stage can last for ten years or longer. However, individuals can still transmit HIV to others during this time, even if they feel well. With proper antiretroviral therapy (ART), people can remain in this stage for several decades, potentially never progressing to HIV AIDS.
Key points about chronic HIV infection (Stage 2):
AIDS is the most devastating stage of HIV infection. The immune system is severely damaged at this stage, and the body becomes vulnerable to opportunistic infections. AIDS is diagnosed when the CD4 cell count goes below 200 cells per cubic millimetre of blood (200 cells/mm3) or if the person develops certain opportunistic infections.
Symptoms of AIDS may include:
Without proper management, people with AIDS survive about three years. However, with proper medical care, HIV can be controlled, preventing the progression to AIDS and allowing individuals to live long, healthy lives.
Early detection of HIV is crucial for effective treatment and prevention of transmission. There are several types of HIV tests available:
The time between HIV infection & when a diagnostic test can detect it varies and depends on the type of test used. Generally, most HIV tests can detect the infection within 2-6 weeks after exposure.
While there is no permanent cure for HIV, antiretroviral therapy (ART) is highly effective in thwarting the virus. ART utilises a combination of HIV medicines every day. These medicines prevent HIV from multiplying, which reduces the viral load in the blood.
Benefits of HIV treatment include:
It’s crucial for individuals diagnosed with HIV to start treatment as soon as possible and to take their medications exactly as prescribed, says Dr. Narendra Prasad.
Understanding HIV and its stages is crucial for both the prevention and management of the condition. While HIV remains a serious health issue, advancements in treatment have bettered the outlook for those living with the virus. With early detection, proper treatment, and ongoing medical care, people with HIV can lead long, healthy lives and prevent transmitting the virus to others.
With current antiretroviral treatments, people with HIV who are diagnosed early and adhere to their treatment regimen can have a near-normal life expectancy. Studies have shown that a 20-year-old person with HIV who begins treatment early and maintains an undetectable viral load can expect to live into their 70s or beyond, similar to the general population.
Factors that influence life expectancy for people with HIV include:
Categories: Tropical Medicine
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