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Am I safe from HIV after unprotected sex if I took PrEP and he claims to be undetectable?
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Sexual Health & Wellness
Question #29622
93 days ago
192

Am I safe from HIV after unprotected sex if I took PrEP and he claims to be undetectable?

Client_e3b124

I did unprotected sex with a man yesterday he said he is undetactable from hiv from last many years and takinh dovato pil daily , but i am not sure he is undetactable and taking pil daily ,i take prep one pil first time before two hours of sex ,and i am top i didnt cum inside and i enter penis not more than two minutes and i take prep again today My question is that i am safe ?

How long have you been taking PrEP?:

- Less than a week

Have you had any previous exposure to HIV before this encounter?:

- No, this is my first time

Have you experienced any symptoms since the encounter?:

- No symptoms at all

Did you discuss his HIV status and treatment with him?:

- Yes, but I still have doubts

How do you feel about your overall sexual health and practices?:

- I often feel anxious about it

Have you had an HIV test before this encounter?:

- Yes, within the last 3 months
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Doctors' responses

Hello

Based on what you described, the risk of HIV from this encounter is very low, but not absolutely zero. You likely have a good level of protection from several factors working in your favor.

First, if your partner is truly undetectable while taking Dovato consistently, the principle of U=U (Undetectable = Untransmittable) applies. That means people living with HIV who maintain an undetectable viral load do not pass the virus through sex. This has been confirmed in very large studies.

Second, you were the insertive partner (“top”), penetration lasted a short time, and there was no ejaculation inside. Those factors further reduce risk. Third, you took a PrEP pill before sex and again after. However, since this was your first time ever taking PrEP, you were not yet fully protected, because daily PrEP usually needs about 7 days of consistent use to reach maximum protection for anal sex.

So the practical interpretation is: You are likely safe, and the overall risk is low, but because PrEP was just started and you are unsure about his adherence, doctors usually recommend a precautionary approach.

What to do now is continue taking daily PrEP without missing doses, and arrange follow-up testing. An HIV test is typically done at about 4 weeks and again at 12 weeks after the exposure to confirm status. If the encounter happened within the last 72 hours, another option to discuss urgently with a doctor is PEP (post-exposure prophylaxis), which is a short 28-day treatment used when there is any uncertainty.

Watch for symptoms like fever, rash, sore throat, or swollen glands in the next few weeks, but remember most people who acquire HIV do not notice early symptoms, so testing is what matters.

In summary, with an undetectable partner on treatment, brief exposure, and early PrEP use, the probability of infection is very low, and continuing PrEP plus scheduled testing is the standard safe plan.

Take care

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Hello dear See as per detailed clinical history Chances are less but zero Reason is No ejaculation Partner not detected for diagnosis Hence carry less chances of transmitting infection Partial protection in the form of prep or ocd medication So i suggest you to please observe for presence of Fever Infection Vomiting Donot stop pep Take proper schedule of prep medication in consultation with gynaecologist Regards Dizziness

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Assessing the risk of HIV transmission in your situation involves considering several factors. First, the fact that your partner is taking Dovato and claims to be undetectable does reduce the risk significantly — people with HIV who maintain an undetectable viral load do not transmit the virus to sexual partners. However, the key concern here is your uncertainty about his adherence to his medication. Since you started PrEP just two hours before the encounter, it is not likely to have been at full effectiveness. PrEP is most effective when taken consistently as prescribed for at least 7 days before engaging in anal sex to reach its maximum protective effect. Given these considerations, it may be prudent for you to seek additional protection. Consider contacting a healthcare professional or clinic as soon as possible for guidance about starting Post-Exposure Prophylaxis (PEP), which can be taken within 72 hours of potential HIV exposure to help prevent infection. Make sure to explain the timing of events accurately, as this influences the recommended interventions. In the meantime, continue taking PrEP if you’re at ongoing risk and plan to get tested for HIV after the window period. It’s important to manage anxiety during this waiting time and ensure you maintain open communication with healthcare professionals about any changes or symptoms you might experience.

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