Body · Pattern guide
Genital sore or unusual discharge
A genital sore, blister or unusual discharge needs private, non-judgemental clinical assessment and testing. Guidance, not a diagnosis.
Browse concerns Story cardWhat it looks like
Signs
an unusual discharge from the vagina, penis or anusa blister, sore or ulcer around the genitals or anuspain or burning when passing urinea recent sexual-health concern or a partner with symptoms
What may help
Options
confidential sexual-health assessmenttesting to identify the causeavoid sexual contact until assessed and symptoms have resolved
When to get help
Pause here
Arrange a confidential sexual-health or clinician assessment and testing promptly. Symptoms alone cannot identify the cause, and many infections cause no symptoms. Fever, severe lower-abdominal or pelvic pain, or sudden severe testicular pain or swelling needs same-day urgent care.
Sources
Checked links.
Reviewed July 2026
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