STDTest.online · Health education
Symptoms
Learn how STI symptoms can appear, or not appear, and when symptoms warrant testing and care.
28 published educational guides in this hub.
Genital symptoms
Discharge, itching, odor, rash, and sores. 9 guides.
Unusual Genital Discharge: Causes and Testing Discharge color and texture never diagnose. Learn which STI and non-STI conditions cause discharge and how testing identifies them. Genital Itching: Possible Causes Genital itching has STI and non-STI causes from yeast to scabies. Learn the differentials, what worsens itching, and when testing is needed. Genital Odor: What It Does and Does Not Mean Genital odor reflects BV, trich, or hygiene. Never moral status. Learn odor causes, what odor can't tell you, and evaluation triggers. Genital Rash: Possible Causes and When to Get Care Genital rashes range from harmless irritation to secondary syphilis. Learn the overlapping causes and which signs need prompt care. Genital Sores: Causes and Evaluation Genital sore evaluation combines lesion exams, fresh NAAT swabs, and syphilis serology. Learn the workup distinguishing STI from non-STI causes. Genital Rash: STIs and Other Conditions Genital rash evaluation weighs STI causes (syphilis, herpes, scabies) against dermatitis, yeast, and psoriasis. Learn the comparative framework. Genital Sores: Possible Causes and Next Steps Genital sores have many causes. Herpes, syphilis, and non-STI conditions. Learn why appearance never diagnoses and what testing involves. Penile Discharge: When to Seek Testing Any penile discharge warrants prompt STI testing. Learn triage by discharge type, the NAAT workup, and why partners need care too. Unusual Vaginal Discharge and STIs Vaginal discharge changes can signal STIs, BV, or yeast. Learn color and odor clues, why they never diagnose, and the testing path.
Pain and urination
Burning urination, pelvic and testicular pain. 6 guides.
Burning Urination: STI and Non-STI Causes Burning urination splits between STI urethritis and UTIs by accompaniments. Learn the differential framework and dual-testing approach. Pain During Sex: When an STI Is Possible Painful sex has STI causes (cervicitis, PID, herpes, urethritis) and many non-STI ones. Learn patterns, evaluation, and when to seek care. Painful Ejaculation: Possible Causes Painful ejaculation can signal prostatitis, urethritis, or STIs. Learn infectious and non-infectious causes plus evaluation steps. Painful Urination: STI and Non-STI Causes Burning urination can mean STIs, UTIs, or irritation. Learn the overlapping causes, the testing path, and red flags needing urgent care. Pelvic Pain and Possible STIs Pelvic pain can signal PID, cervicitis, or non-STI emergencies. Learn the danger patterns, evaluation steps, and when pain is urgent. Testicular Pain and Possible Infections Testicular pain ranges from epididymitis to torsion. Learn infection signs, the sudden-pain emergency rule, and evaluation steps.
Other symptoms
Throat, rectal, skin, and systemic signs. 8 guides.
Anal Itching: When Infection Is Possible Anal itching is usually hemorrhoids, yeast, or hygiene. But STIs and pinworms cause it too. Learn the cause list and evaluation triggers. Bleeding After Sex: Potential Causes Postcoital bleeding can signal cervicitis, polyps, or precancer. And sometimes STIs. Learn the cause list and evaluation steps. Fever and Rash: Could It Be an STI? Fever plus rash can mark secondary syphilis, acute HIV, or disseminated gonorrhea. Learn the STI patterns among many mimics. Mouth Sores and Sexually Transmitted Infections Mouth sores are usually canker sores or cold sores. But syphilis and herpes transmit orally. Learn STI patterns and evaluation. Rectal Discharge: Causes and Testing Rectal discharge signals proctitis from STI or bowel disease. Learn gonorrhea, chlamydia, and LGV causes plus rectal-swab diagnosis. Rectal Pain and Possible STIs Rectal pain can mean gonorrhea, chlamydia, LGV, herpes, or non-STI conditions. Learn the differentials and rectal-swab testing. Sore Throat After Oral Sex: What to Know Most post-oral sore throats are viral. But gonorrhea, chlamydia, syphilis, and herpes use the throat. Learn when swabs are warranted. Swollen Groin Lymph Nodes and Infections Groin lymph swelling accompanies chancroid, LGV, herpes, and syphilis. Plus non-STI causes. Learn patterns and evaluation.
Symptom overviews
Early signs, timelines, and symptoms by sex. 5 guides.
Early Signs of an STI: What to Know Discharge, burning, sores, and rashes can be early STI signs. But most infections start silently. Learn what to watch and when to test. How Soon Can STI Symptoms Appear? Gonorrhea shows in days, syphilis in weeks, HIV in weeks. While many STIs never show. Learn onset timelines and why they never rule out infection. STI Symptoms in Men: Signs and Testing Guide Discharge, burning, sores, and testicular pain can signal STIs in men. But often nothing appears. Learn the signs and testing triggers. STI Symptoms in Women: Signs and Testing Guide Discharge, pelvic pain, bleeding changes, and sores can signal STIs in women. But silence is common. Learn the signs and testing triggers. Why STI Symptoms May Come and Go Healing sores and fading discharge don't mean infections cleared. Learn which STIs fluctuate, why latency fools people, and testing rules.
