HIV Infection: Causes, Symptoms, and Urgent Signs to See a Doctor
HIV infection or Human Immunodeficiency Virus is a virus that causes immunodeficiency and AIDS (Acquired Immune Deficiency Syndrome). HIV can be transmitted from person to person through body fluids such as blood, semen, vaginal fluids, breast milk, and rectal fluids.
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HIV infection is caused by the Human Immunodeficiency Virus (HIV), leading to immunodeficiency and the final stage of the infection, AIDS. HIV attacks the body’s CD4 or T-cells, weakening the immune system. When the immune system becomes weak, HIV infection eventually progresses. It takes about 10 years for the virus to develop into AIDS.
What Causes HIV Infection?
HIV is an STD that spreads from person to person through body fluids such as blood, semen, vaginal fluids, breast milk, and rectal fluids. Ways HIV can be transmitted include:
- Unprotected sexual intercourse with an HIV-infected person
- Direct contact with the blood or lymph of an HIV-infected person through broken skin or wounds
- Sharing needles with an HIV-infected person
- Receiving blood transfusions with HIV-contaminated blood, although the risk is extremely low as donors are screened for HIV
- From mother to child during pregnancy, childbirth, or breastfeeding
Symptoms of HIV Infection
Symptoms vary depending on the stage of infection:
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Stage 1:
Early HIV infection symptoms appear 1-2 weeks after infection. Common symptoms resemble flu, including fever, headache, rash, sore throat, diarrhea, swollen lymph nodes, weight loss, and cough.
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Stage 2:
The asymptomatic HIV infection stage can last 5-10 years without showing symptoms. Some people may experience mild to moderate symptoms due to varying immune responses, like intermittent fever, fatigue, swollen lymph nodes, white patches on the tongue, and chronic diarrhea.
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Stage 3:
Full-blown AIDS occurs 3-10 years after HIV infection. Patients experience severe illness and can develop other complications like tuberculosis, meningitis, lymphoma, hepatitis C, hepatitis B, etc.
Treatment of HIV Infection
HIV can be treated with antiviral drugs that prevent the virus from spreading. Patients who start medication early and adhere to it can live long, healthy lives with a life expectancy comparable to those without HIV.
Conclusion
Although there is no cure for HIV infection, early detection and treatment can extend life expectancy. The best way to prevent HIV is to use condoms during sexual intercourse, get tested before marriage, and have annual HIV tests, especially for those who frequently change sexual partners. If you experience any symptoms mentioned in the `Symptoms of HIV Infection` section, it’s a sign to consult a doctor promptly for your health.
References
- https://www.who.int/news-room/fact-sheets/detail/hiv-aids?gclid=Cj0KCQiAkeSsBhDUARIsAK3tieepbzD_-LIwl-ye6xUgNShZhO_-iIgtSbpVvq9pgy10arufsbEhdekaAtfaEALw_wcB
- https://www.pennmedicine.org/for-patients-and-visitors/patient-information/conditions-treated-a-to-z/aids-and-hiv
- https://www.medicalnewstoday.com/articles/316056#preventing-progression
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