
How do I tell the difference between a genital pimple, a cyst, and a Herpes blister?
Noticing a bump or blister in the genital area? Symptoms can have several causes. Learn what may be involved and when STI testing could offer reassurance.
Expert, evidence-based articles on STIs, testing, prevention, and sexual wellbeing. Written by UK sexual health experts.

Noticing a bump or blister in the genital area? Symptoms can have several causes. Learn what may be involved and when STI testing could offer reassurance.

A painless, firm genital sore can have several causes. Learn when syphilis testing may be appropriate and what symptoms can mean. Discreet STI testing available.

Concerned your syphilis blood test is still positive after treatment? Learn what IgG and IgM results mean long-term. Confidential STI testing available in the UK.

Unsure which syphilis test you need? Learn the key differences between an IgG/IgM blood test and an RPR test in this clear, reassuring UK sexual health guide.

Wondering if your old syphilis infection was fully treated? Learn how the RPR syphilis test monitors antibody levels to confirm successful treatment. Discreet UK testing available.

A genital sore after sex may not be herpes. Learn about common non-STI causes, when symptoms overlap, and when confidential STI testing may help.

Worried a positive herpes swab could be linked to stress or low immunity? Understand what affects live swab results and when confidential STI testing may help.

Tested positive for Herpes IgG antibodies but never had an outbreak? Learn what this means, why it happens, and when STI testing may help provide clarity.

Unsure whether to choose a herpes swab test or IgG blood test? Learn the key differences and when each is appropriate. Confidential testing available in the UK.
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