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Risk factors

By Mayo Clinic staff

When HIV/AIDS first surfaced in the United States, it predominantly affected homosexual men. The type of HIV found in many African nations is more easily spread through heterosexual sex. Anyone of any age, race, sex or sexual orientation can be infected, but you're at greatest risk of HIV/AIDS if you:

  • Have unprotected sex. Unprotected sex means having sex without using a new latex or polyurethane condom every time. Anal sex is more risky than is vaginal sex. The risk increases if you have multiple sexual partners.
  • Have another STD. Many sexually transmitted diseases (STDs) produce open sores on your genitals. These sores act as doorways for HIV to enter your body.
  • Use intravenous drugs. People who use intravenous drugs often share needles and syringes. This exposes them to droplets of other people's blood.
  • Are an uncircumcised man. Studies indicate that lack of circumcision increases the risk for heterosexual transmission of HIV.
Complications Causes
References
  1. Basic information about HIV and AIDS. Centers for Disease Control and Prevention. http://www.cdc.gov/hiv/topics/basic/index.htm. Accessed May 18, 2010.
  2. HIV and its treatment: What you should know. AIDSinfo. U.S. Department of Health and Human Services. http://aidsinfo.nih.gov/contentfiles/HIVandItsTreatment_cbrochure_en.pdf. Accessed May 18, 2010.
  3. Kumar V, et al. Immunodeficiency syndromes. In: Kumar V, et al. Robbins and Cotran Pathologic Basis of Disease, Professional Edition. 8th ed. Philadelphia, Pa.: Saunders Elsevier; 2009. http://www.mdconsult.com/das/book/body/202273019-4/0/2060/57.html?tocnode=57529567&fromURL=57.html#4-u1.0-B978-1-4377-0792-2..50011-0--cesec96_437. Accessed May 18, 2010.
  4. Quinn TC. The global human immunodeficiency virus pandemic. http://www.uptodate.com/home/index.html. Accessed May 18, 2010.
  5. Opal SM, et al. Human immunodeficiency virus. In: Ferri FF. Ferri's Clinical Advisor 2010. Philadelphia, Pa.: Mosby Elsevier; 2009. http://www.mdconsult.com/das/book/body/202273019-4/1002085996/2088/313.html#4-u1.0-B978-0-323-05609-0..00017-4--sc0185_6437. Accessed May 18, 2010.
  6. Bartlett JG. The stages and natural history of HIV infection. http://www.uptodate.com/home/index.html. Accessed May 18, 2010.
  7. Opal SM, et al. Acquired immunodeficiency syndrome. In: Ferri FF. Ferri's Clinical Advisor 2010. Philadelphia, Pa.: Mosby Elsevier; 2009. http://www.mdconsult.com/das/book/body/202273019-4/1002085996/2088/22.html#4-u1.0-B978-0-323-05609-0..00010-1--s1620_340. Accessed May 18, 2010.
  8. Living with AIDS. Centers for Disease Control and Prevention. http://www.cdc.gov/hiv/resources/brochures/livingwithhiv.htm. Accessed May 19, 2010.
  9. Neurological complications of AIDS fact sheet. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/aids/detail_aids.htm. Accessed May 21, 2010.
  10. Bartlett JG. When to initiate antiretroviral therapy in HIV-infected patients. http://www.uptodate.com/home/index.html. Accessed May 21, 2010.
  11. Side effects of anti-HIV medications: Health information for patients. AIDSinfo. U.S. Department of Health and Human Services. http://aidsinfo.nih.gov/contentfiles/SideEffectAnitHIVMeds_cbrochure_en.pdf. Accessed May 21, 2010.
  12. Eating defensively: Food safety advice for persons with AIDS. U.S. Food and Drug Administration. http://www.fda.gov/ForConsumers/ByAudience/ForPatientAdvocates/HIVandAIDSActivities/ucm135844.htm. Accessed May 21, 2010.
  13. Natural medicines in the clinical management of HIV/AIDS. Natural Medicines Comprehensive Database. http://www.naturaldatabase.com. Accessed May 21, 2010.
  14. The HIV/AIDS programs: Find HIV/AIDS care. U.S. Department of Health and Human Services. http://hab.hrsa.gov/findcare/index.htm. Accessed May 21, 2010.
  15. Fourth generation HIV diagnostic test approved, permitting earlier detection of infection. Food and Drug Administration. http://www.fda.gov/ForConsumers/ByAudience/ForPatientAdvocates/HIVandAIDSActivities/ucm216409.htm. Accessed June 24, 2010.
  16. FDA approves first-of-its-kind HIV test which can detect HIV days earlier than current U.S. tests. Abbott Laboratories. http://www.abbott.com/global/url/pressRelease/en_US/60.5:5/Press_Release_0875.htm. Accessed June 24, 2010.
  17. Daar ES, et al. Clinical presentation and diagnosis of primary HIV-1 infection. Current Opinion in HIV and AIDS. 2008;3:110.
  18. Sax, PE. Primary HIV-1 infection: Pathogenesis; epidemiology and clinical manifestations. http://www.uptodate.com/home/index.html. Accessed Oct. 17, 2011.
  19. Stages of HIV. U.S. Department of Health and Human Services. http://www.aids.gov/hiv-aids-basics/diagnosed-with-hiv-aids/hiv-in-your-body/stages-of-hiv/. Accessed Oct. 19, 2011.
  20. Fauci A, et al. Human immunodeficiency virus disease: AIDS and related disorders. In: Longo DL, et al. Harrison's Online. 18th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=4. Accessed Oct. 19, 2011.
DS00005 Oct. 20, 2011

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