
STI Testing: Symptoms, Screening, and Care
Learn why some sexually transmitted infections have no symptoms, when testing may be useful, and what to expect from care.
Sexually transmitted infections (STIs) can be caused by bacteria, viruses, or parasites. Some people have no symptoms, while others may notice discharge, sores, pain when urinating, a rash, or lower abdominal discomfort. These symptoms can also have other causes.
Testing depends on the symptoms, possible exposure, and type of infection. A healthcare professional can advise which tests may be appropriate and where they are available. An online discussion may help you decide what to do next, but an examination or laboratory test may be needed.
Treatment depends on the infection and test results or clinical assessment. Do not take leftover antibiotics or someone else's medicine. If an STI is diagnosed, a clinician may discuss partner notification, treatment, and when it is safer to resume sexual activity.
Seek medical advice if you may have been exposed or have symptoms. Prompt assessment is especially important if you have severe pain, fever, pregnancy, or symptoms that are getting worse.
Timing and the site of exposure matter
Tell the clinician when the exposure happened and whether it involved oral, vaginal or anal sex so the appropriate tests and sample sites can be considered. A negative test taken too early may need repeating. Ask a local clinic, GP or sexual-health service about testing and partner care. Sudden severe testicular pain needs emergency assessment. Possible recent HIV exposure needs urgent PEP assessment rather than waiting for routine test results.
Key Takeaways
- Some STIs have no noticeable symptoms.
- Testing depends on the possible infection and individual situation.
- An online consultation may not replace examination or laboratory tests.
- Use treatment recommended for your situation by a healthcare professional.
Sources & further reading
General health information; speak with a qualified healthcare professional for advice about your own care.