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Am I safe after unprotected sex if I took PrEP and my partner claims to be undetectable for HIV?
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Sexual Health & Wellness
Question #29623
15 days ago
59

Am I safe after unprotected sex if I took PrEP and my partner claims to be undetectable for HIV? - #29623

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 sexual encounters without protection?:

- No, this is my first time

Have you been tested for HIV recently?:

- Yes, within the last month

Do you have any symptoms that concern you right now?:

- No symptoms at all

How confident are you in your partner's statement about being undetectable?:

- Not very confident

Are you taking any other medications or treatments?:

- I'm not sure

How often do you plan to have sexual encounters without protection?:

- Rarely
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Doctors' responses

Dr. Arsha K Isac
I am a general dentist with 3+ years of working in real-world setups, and lemme say—every single patient teaches me something diff. It’s not just teeth honestly, it’s people… and how they feel walking into the chair. I try really hard to not make it just a “procedure thing.” I explain stuff in plain words—no confusing dental jargon, just straight talk—coz I feel like when ppl *get* what's going on, they feel safer n that makes all the difference. Worked with all ages—like, little kids who need that gentle nudge about brushing, to older folks who come in with long histories and sometimes just need someone to really sit n listen. It’s weirdly rewarding to see someone walk out lighter, not just 'coz their toothache's gone but coz they felt seen during the whole thing. A lot of ppl come in scared or just unsure, and I honestly take that seriously. I keep the vibe calm. Try to read their mood, don’t rush. I always tell myself—every smile’s got a story, even the broken ones. My thing is: comfort first, then precision. I want the outcome to last, not just look good for a week. Not tryna claim perfection or magic solutions—just consistent, clear, hands-on care where patients feel heard. I think dentistry should *fit* the person, not push them into a box. That's kinda been my philosophy from day one. And yeah, maybe sometimes I overexplain or spend a bit too long checking alignment again but hey, if it means someone eats pain-free or finally smiles wide in pics again? Worth it. Every time.
15 days ago
5

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.

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Dr. Bharat Joshi
I’m a periodontist and academician with a strong clinical and teaching background. Over the last 4 years and 8 months, I’ve been actively involved in dental education, guiding students at multiple levels including dental hygienist, BDS, and MDS programs. Currently, I serve as a Reader at MMCDSR in Ambala, Haryana—a role that allows me to merge my academic passion with hands-on experience. Clinically, I’ve been practicing dentistry for the past 12 years. From routine procedures like scaling and root planing to more advanced cases involving grafts, biopsies, and implant surgeries. Honestly, I still find joy in doing a simple RCT when it’s needed. It’s not just about the procedure but making sure the patient feels comfortable and safe. Academically, I have 26 research publications to my credit. I’m on the editorial boards of the Archives of Dental Research and Journal of Dental Research and Oral Health, and I’ve spent a lot of time reviewing manuscripts—from case reports to meta-analyses and even book reviews. I was honored to receive the “Best Editor” award by Innovative Publications, and Athena Publications recognized me as an “excellent reviewer,” which honestly came as a bit of a surprise! In 2025, I had the opportunity to present a guest lecture in Italy on traumatic oral lesions. Sharing my work and learning from peers globally has been incredibly fulfilling. Outside academics and clinics, I’ve also worked in the pharmaceutical sector as a Drug Safety Associate for about 3 years, focusing on pharmacovigilance. That role really sharpened my attention to detail and deepened my understanding of drug interactions and adverse effects. My goal is to keep learning, and give every patient and student my absolute best.
15 days ago
5

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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Firstly, it’s understandable to have concerns in this situation. With your partner on Dovato and stating they’re undetectable, the risk of HIV transmission is significantly reduced. When someone is undetectable, meaning their viral load is very low due to effective treatment, the virus is effectively cannot transmitted, a concept known as U=U (Undetectable = Untransmittable). However, without absolute certainty of your partner’s adherence to their medication, there remains a degree of uncertainty. Now, regarding PrEP (pre-exposure prophylaxis), taking it just two hours before the encounter wouldn’t offer you full protection, as it typically needs to be consistently taken daily for at least 7 days prior to anal sex to reach maximum effectiveness. The dosage you’re referring to is more aligned with PEP (post-exposure prophylaxis), which is something you might want to consider in this situation. PEP is a treatment started after potential exposure to HIV and needs to be initiated within 72 hours, ideally as soon as possible. You should continue this treatment for 28 days. It’s crucial to contact a healthcare provider right away to discuss starting PEP; they can evaluate your specific situation and guide you with the appropriate course of action. Additionally, use this opportunity to discuss the benefits of daily PrEP for ongoing HIV prevention if it’s challenging to verify partner status in future scenarios. Always incorporate condom use where possible for added protection against HIV and other sexually transmitted infections.

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