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What are the symptoms of HIV?

Answered in plain language, anchored to CDC, HIV.gov, and NIH.

Last reviewed:

Health information — Educational information, not medical advice. Talk with your healthcare provider about your care and treatment decisions.
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HIV symptoms vary. Early infection may cause fever, sore throat, rash, swollen glands or fatigue, often 2–4 weeks after infection, but some people have no symptoms. Untreated chronic HIV can remain symptom-free for years before serious illness develops. Testing is the way to know your HIV status; effective treatment can prevent progression to AIDS.[1][2][8]

Acute HIV: symptoms often appear after 2–4 weeks

Early HIV may cause fever, fatigue, sore throat, rash, swollen lymph nodes, aches or night sweats. HIV.gov describes onset commonly around 2–4 weeks after infection and duration from a few days to several weeks. These symptoms are not specific to HIV.[2][1]

Some people have no early symptoms; others have mild illness. Feeling well cannot rule out HIV, and feeling ill cannot confirm it.[2]

The long quiet stretch (clinical latency)

After acute infection, untreated HIV enters a chronic stage, also called clinical latency. The virus remains active even if there are no symptoms. NIH says this stage usually progresses to AIDS in 10 years or longer without ART, but it can happen faster. That broad natural-history estimate cannot predict one person’s course or establish a safe delay in care.[8][1]

Effective ART can preserve health for many years. Sustained HIV RNA below 200 copies/mL prevents sexual HIV transmission, including low detectable levels below 200; a laboratory’s undetectable threshold is usually lower. NIH recommends additional prevention during at least the first six months on ART and until suppression below 200 is documented.[9][3]

Late-stage HIV and AIDS

Without treatment, HIV can severely weaken immunity and allow opportunistic infections or certain cancers. For adults and children aged at least six, CDC’s stage-3 criteria include CD4 below 200 cells/mm³, CD4 percentage below 14% if the count is unavailable, or a listed stage-3 illness. Persistent fever, weight loss, diarrhea or recurrent infections need assessment, but symptoms alone do not diagnose AIDS. Oral or vaginal thrush is not the same as AIDS-defining esophageal candidiasis.[10][1][7][4]

Starting ART promptly can prevent progression and greatly improve health. Treatment also benefits people who already have AIDS, although immune recovery and outcomes vary. A past advanced diagnosis is a reason for appropriate monitoring, not a reason to give up on treatment.[8][3]

Why symptoms are never enough — test

Testing, rather than symptoms, establishes HIV status. CDC’s usual detection windows are 18–45 days for a laboratory antigen/antibody test on venous blood, 18–90 days for a rapid fingerstick antigen/antibody test, 23–90 days for antibody tests, and 10–33 days for NAT. A negative result during the window may need repeating; PrEP or PEP can change the testing plan.[5]

Florida angle

Florida DOH provides a testing-site network and a home-test request program. Ask individual sites about cost, confidentiality, eligibility and appointment availability. The state’s October 2023 Test and Treat guidance sets rapid-start goals, including ART within 24 hours when possible or within 72 hours, but same-day access is not guaranteed at every site.[11][6]

Related questions

How soon after exposure do HIV symptoms appear?

Early illness often begins around 2–4 weeks after infection and may last a few days to several weeks. Some people have no symptoms. Neither having these symptoms nor feeling well establishes HIV status.[1][2]

Can you have HIV for years without knowing?

Yes. Untreated chronic HIV can have no symptoms for years while the virus remains active. Progression varies, so feeling healthy is not a reason to delay testing or treatment. Effective ART can prevent progression and, with sustained viral suppression, prevents sexual transmission.[8][9]

Are HIV symptoms different for women?

Early HIV symptoms are generally similar in women and men. Women living with HIV can also experience gynecologic problems such as vaginal yeast infections, menstrual changes or pelvic inflammatory disease, but these are not specific to HIV. Testing and clinical assessment are needed. See our HIV symptoms in women article for more detail.[2][12]

If I have HIV symptoms, when should I test?

Seek assessment now rather than waiting for symptoms. If the exposure was within 72 hours, ask urgently about PEP. Testing now may provide useful baseline information, but a negative result during the test’s window may need repeating. Tell the clinician about PrEP or PEP and follow the schedule they recommend.[5][13]

HIV Symptoms — Guide
What HIV actually feels like, stage by stage, from a PLWH perspective.
HIV Testing Options
Window periods, test types, and where to test — including free Florida options.
Newly Diagnosed
The first 24 hours, first 7 days, first 30 days after a positive test.
HIV Symptoms in Women
How symptoms and progression can differ, and why women are diagnosed later.
Undetectable = Untransmittable
The clinical evidence behind U=U and what "undetectable" actually means.
Last reviewed: September 2026 by the RiseUpToHIV team. Educational content only — not medical advice.

References & Sources

  1. CDC — About HIV (Stages of HIV Infection). Clinical staging of HIV: acute, chronic, and Stage 3 (AIDS). ↩ ↩ ↩ ↩ ↩
  2. HIV.gov — Symptoms of HIV: timing, duration, variable symptoms and the two-thirds flu-like-illness estimate. Source. ↩ ↩ ↩ ↩ ↩
  3. CDC — HIV Treatment as Prevention (U=U). Evidence base for Undetectable = Untransmittable and CDC endorsement. ↩ ↩
  4. NIH HIVinfo — HIV and AIDS: The Basics. Advanced HIV disease, opportunistic infections, and AIDS-defining illnesses. ↩
  5. CDC — Getting Tested for HIV. Test types and window periods (antibody, antigen/antibody, NAT). ↩ ↩
  6. Florida DOH — HIV Prevention: testing network and home-test program information. Source. ↩
  7. WHO — HIV and AIDS fact sheet: illness, advanced disease and treatment. Source. ↩
  8. NIH HIVinfo — Stages of HIV Infection and benefits of treatment at each stage. Source. Checked September 21, 2026. ↩ ↩ ↩ ↩
  9. NIH/DHHS — Sexual U=U threshold and prevention when starting ART. Source. Checked September 21, 2026. ↩ ↩
  10. CDC — 2014 surveillance definition: age-specific CD4 criteria and stage-3-defining illnesses. Source. Checked September 21, 2026. ↩
  11. Florida DOH — October 2023 Test and Treat guidance and rapid-start goals. Source. Checked September 21, 2026. ↩
  12. HIV.gov — Women’s health issues and HIV; gynecologic conditions. Source. Checked September 21, 2026. ↩
  13. CDC (2025) — Urgent PEP assessment and HIV testing considerations. Source. Checked September 21, 2026. ↩

Community publications like POZ, Positively Aware, and TheBody inform framing and lived-experience context on RiseUpToHIV. Every clinical, epidemiological, or public-health claim above is anchored to a primary source.

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