Knee pain the day after sex is not a symptom of HIV or most sexually transmitted infections (STIs). HIV does not cause symptoms within one day of exposure. Your knee pain is much more likely to be unrelated (for example, muscle strain, posture, exercise, or anxiety). If the condom remained intact throughout intercourse, the risk of HIV is extremely low. Do you need blood tests now? No. Testing the day after exposure will not detect a new HIV infection. If the condom was used correctly from start to finish and did not fail: No immediate HIV blood test is needed because of this exposure alone. If there was a condom break, slip, or direct unprotected vaginal/anal sex, then you should seek medical care as soon as possible to discuss post-exposure prophylaxis (PEP), which is most effective if started within 72 hours of the exposure.

Consult for prescription and guidance.. To clear ur doubt.. To be safe and sure

The issue needs to be investigated in detail basis which we’ll be in a better position to guide and assist you further.

●𝗬𝗲𝘀 𝗶𝘁  𝗰𝗮𝗻 𝗯𝗲 𝗽𝗲𝗿𝗺𝗮𝗻𝗲𝗻𝘁𝗹𝘆 𝗰𝘂𝗿𝗲𝗱 𝘄𝗶𝘁𝗵 𝗛𝗼𝗺𝗲𝗼𝗽𝗮𝘁𝗵𝘆 𝗧𝗿𝗲𝗮𝘁𝗺𝗲𝗻𝘁 . ●𝗩𝗲𝗿𝘆 𝗲𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲 𝗺𝗲𝗱𝗶𝗰𝗶𝗻𝗲𝘀 𝗮𝗿𝗲 𝘁𝗵𝗲𝗿𝗲 𝗶𝗻 𝗛𝗼𝗺𝗲𝗼𝗽𝗮𝘁𝗵𝗶𝗰 ●𝗪𝗶𝘁𝗵 𝗺𝘆 𝘁𝗿𝗲𝗮𝘁𝗺𝗲𝗻𝘁 𝘆𝗼𝘂 𝘄𝗶𝗹𝗹 𝗴𝗲𝘁 𝗽𝗲𝗿𝗺𝗮𝗻𝗲𝗻𝘁 𝗿𝗲𝗹𝗶𝗲𝗳. ●𝗪𝗶𝗹𝗹 𝗽𝗿𝗲𝘀𝗰𝗿𝗶𝗯𝗲 𝘁𝗵𝗲 𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝘁𝗿𝗲𝗮𝘁𝗺𝗲𝗻𝘁. ●𝗬𝗼𝘂 𝗰𝗮𝗻 𝗰𝗼𝗻𝘀𝘂𝗹𝘁 𝗺𝗲 𝗻𝗼𝘄 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝗼𝗻𝗹𝗶𝗻𝗲     𝗪𝗮𝗿𝗺 𝗿𝗲𝗴𝗮𝗿𝗱𝘀.

Knee pain the next day is not a typical symptom of an STD. If the condom was used correctly throughout intercourse, the risk is very low. No immediate blood tests are needed—consult if you develop symptoms such as genital ulcers, discharge, fever, or persistent pain.

Wait some times then go for test more detail is required so consult online

First, please take a deep breath and be reassured: knee pain occurring just one day after protected intimacy is physically and medically impossible to be a sign of a Sexually Transmitted Infection (STI). Pathogens do not cause system-wide joint infections or symptoms within 24 hours of exposure. What you are experiencing is a combination of two very common, benign factors: Acute Post-Coital Guilt and Guilt-Induced Health Anxiety: Feeling tense or guilty after intimacy with an unknown partner triggers an intense "fight-or-flight" stress response. High anxiety causes hyper-vigilance, making your brain misinterpret normal bodily sensations (like minor joint ache) as signs of serious illness. Mechanical Muscle / Joint Strain: Unusual posture, awkward positioning, or prolonged muscle tension during a massage or intimate act can cause minor leg, tendon, or knee strain that manifests the following day. Furthermore, using a condom correctly provides near-complete protection against major blood-borne and fluid-transmitted infections like HIV, Hepatitis B, and Chlamydia.

Test for STDS and hiv