Are Cold Sores an STD? Oral Herpes Facts
Cold sores are oral herpes (usually HSV-1). Technically a herpes infection, they spread by kissing more than sex. What counts as an STD here.
Read GuideHIV vs AIDS: Are They the Same Thing?
HIV is the virus; AIDS is late-stage disease after immune collapse. Learn the stages, diagnosis criteria, and why treatment prevents progression.
Read GuideHow Common Are STDs? Prevalence Statistics
STDs are extremely common: 1 in 5 Americans has an STI at any given time. Full prevalence breakdown by infection, age, gender, and why rates keep rising.
Read GuideHow Many STDs Are There? Full List of 30+
More than 30 pathogens spread through sex. See the complete list grouped by bacteria, viruses, and parasites — plus which tests cover what.
Read GuideIs BV an STD? Bacterial Vaginosis Facts
BV isn't technically an STD — it's a vaginal bacteria imbalance. But sex raises recurrence risk. Learn causes, symptoms, and treatment.
Read GuideIs Chlamydia an STD? Bacterial Infection Basics
Yes — chlamydia is the most reported bacterial STD in the U.S. It's bacterial (not viral), curable, and often silent. Testing explained.
Read GuideIs HIV an STD? Transmission & Testing Basics
Yes, HIV is a sexually transmitted infection that attacks immune cells. Learn how it spreads, modern prevention like PrEP, and testing options.
Read GuideIs HPV an STD? Human Papillomavirus Explained
Yes — HPV is the most common STD in America. Nearly everyone gets it. Learn transmission, cancer risks, testing limits, and vaccines.
Read GuideIs Hepatitis an STD? Hep A, B & C Compared
Some hepatitis viruses spread through sex — hepatitis B strongly, C rarely, A occasionally. Compare routes, vaccines, and which tests to get.
Read GuideIs Herpes an STD? HSV-1 vs HSV-2 Facts
Genital herpes is a common STD spread by skin-to-skin contact. Learn HSV-1 vs HSV-2, silent carriage, testing windows, and management.
Read GuideIs Mono an STD? The Epstein-Barr Question
Mono isn't classically an STD, but EBV spreads through saliva — including deep kissing. Where 'kissing disease' fits in sexual health.
Read GuideIs Scabies an STD? Mites, Skin Contact & Testing
Scabies mites spread through prolonged skin contact — sometimes sexual, often not. Learn when scabies overlaps with STI care and how it's treated.
Read GuideIs Syphilis an STD? Signs, Stages & Rising Cases
Yes — syphilis is a serious bacterial STD rising sharply in the U.S. Learn its staged progression, painless sore hallmark, and cure options.
Read GuideIs Trichomoniasis an STD? The Common Curable Parasite
Yes — trichomoniasis ('trich') is the most common curable STD, caused by a parasite. Often symptomless but easily tested and treated.
Read GuideIs Ureaplasma an STD? The Controversial Bacterium
Ureaplasma lives normally in many healthy people but may cause urethritis and complications. What current evidence says about testing and treatment.
Read GuideIs a UTI an STD? Urinary Infection vs STI
UTIs aren't STDs — they're bladder infections from gut bacteria. But STIs mimic UTIs closely. How to tell them apart and test correctly.
Read GuideIs a Yeast Infection an STD? Candida Facts
Yeast infections aren't STDs — Candida overgrowth causes them. Learn why sex can trigger them, when partners need treatment, and look-alike STIs.
Read GuideSTI vs STD: What's the Actual Difference?
STI stands for sexually transmitted infection; STD for sexually transmitted disease. Here's why doctors switched terms and when each applies.
Read GuideWhat Is STBBI? Meaning of the Term Explained
STBBI means sexually transmitted and blood-borne infection. Learn why Canada uses this term, which infections count, and how testing works.
Read GuideWhat Is Venereal Disease? The Old Name for STDs
Venereal disease (VD) is the historical term for today's STDs and STIs. Learn its origin, what it covered, and which modern names replaced it.
Read GuideWhat Is an STD? Sexually Transmitted Disease Basics
An STD (sexually transmitted disease) is an infection passed through sexual contact. Learn the types, symptoms, and how testing works.
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