Expert, evidence-based articles on STIs, testing, prevention, and sexual wellbeing. Written by UK sexual health experts.
Chlamydia symptoms typically begin to improve within one to two weeks following antibiotic treatment. Understanding what is normal during recovery and when retesting may be appropriate can help provide reassurance.
After gonorrhoea treatment, most people notice significant improvement within two to seven days. Understanding what to expect and when a test of cure may be appropriate can help provide reassurance.
Having one STI test positive and the rest negative is actually quite common. Each sexually transmitted infection behaves differently, has its own incubation period, and is detected through specific testing methods.
Sexual activity before testing can, in some circumstances, influence certain test results — but the details depend on the type of test, the timing, and the specific infection being screened for.
Antibiotics can, in certain circumstances, influence the accuracy of some STI tests, particularly for bacterial STIs like chlamydia and gonorrhoea. Learn how medication timing, test type, and antibiotic class affect your results.
Drinking small amounts of water before a urine STI test is generally acceptable, but excessive intake may dilute the sample and reduce accuracy. Learn how to prepare for the most reliable results.
It is generally recommended to avoid urinating for at least one to two hours before a chlamydia or gonorrhoea urine test. Learn why first-void urine matters and how to prepare for accurate results.
Retesting after antibiotics for chlamydia or gonorrhoea is not always necessary, but may be recommended due to reinfection risk or antibiotic resistance. Learn when and why retesting matters.
A test of cure for gonorrhoea is a follow-up test after antibiotic treatment to confirm the infection has cleared. It is especially important due to rising antibiotic resistance in the UK.
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