Sexually transmitted infections (STIs) can be sneaky. Some STI symptoms show up with obvious signs, while others may stay hidden for months or even years. Whether you’re sexually active or just STI-curious, understanding the full range of STI symptoms-both common and uncommon-can help you catch potential issues early and protect both yourself and your partners.At SESH Clinic, we believe that early detection of STI symptoms is key to better sexual wellness. Let’s break down the symptoms of STIs you shouldn’t ignore-plus what to do if you’re unsure.
Common STI Symptoms
Most people expect certain telltale signs, and while these STI symptoms aren’t always present, they’re more frequently seen with many STIs.
1. Unusual Discharge
If you notice unusual vaginal or penile discharge, it could be one of the STI symptoms indicating chlamydia, gonorrhea, or trichomoniasis. The discharge might be yellow, green, or have a foul odor.
2. Burning Sensation During Urination
Pain or burning when you pee is often linked to UTIs, but it’s also a key symptom of chlamydia and gonorrhea.
3. Genital Sores or Blisters
Painful sores, blisters, or ulcers around the genitals or mouth may point to herpes simplex virus (HSV) or syphilis. These can be mistaken for shaving cuts or pimples—so don’t overlook them.
4. Genital Itching or Irritation
Persistent itching in the genital or anal area can signal pubic lice, trichomoniasis, or yeast infections.
5. Pain During Sex
Discomfort during intercourse (dyspareunia) can occur with pelvic inflammatory disease (PID), a complication of untreated STIs like chlamydia or gonorrhea.
Uncommon (But Important) STI Symptoms
These signs are often missed or mistaken for other health issues—yet they’re just as important.
1. Rectal Pain or Bleeding
Rectal symptoms can occur in people of all genders who engage in receptive anal sex, and may be linked to gonorrhea, chlamydia, or syphilis.
2. Sore Throat After Oral Sex
Engaging in oral sex? A sore throat that lingers could be a symptom of oral gonorrhea or chlamydia-especially if no cold symptoms follow.
3. Lower Back or Pelvic Pain
This might be a sign of an advanced infection like PID, especially if combined with fever or discharge.
4. Fatigue, Fever, or Rash
Systemic symptoms like these can indicate HIV, hepatitis B, or syphilis (especially in its secondary stage). These signs are often mistaken for other illnesses.
5. Swollen Lymph Nodes
Swollen nodes in the groin, neck, or armpits may suggest your body is fighting an infection-including STIs.
What If You Don’t Have Any Symptoms?
Here’s the kicker: many STIs show no symptoms at all. According to the Centers for Disease Control and Prevention (CDC), up to 70% of women and 50% of men with chlamydia show no signs. That’s why regular testing is essential-even if you feel fine.
Explore SESH STI Testing Options
When to Get Tested
You should consider getting tested if:
- You’ve had a new or multiple sexual partners
- You’ve had unprotected sex
- You’re experiencing any of the STI symptoms above
- Your partner has tested positive for an STI
- It’s been more than 6 months since your last check
Not sure what test to take?
Let us help you choose the right one
What to Expect at SESH Clinic
At SESH, we offer:
- 15-minute rapid STI blood and swab tests
- PCR testing for 2, 3, 7, or 15 pathogens
- Confidential consultations
- Teleconsultation & Express Service options
We know it can feel awkward-but we’re here to make testing easy, judgment-free, and straightforward.
💡Our tip: Get tested together with your partner. It’s a great way to build trust and take charge of your sexual health together.
Your Next Steps
- Notice STI symptoms? Get tested.
- No symptoms? Still consider regular screening.
- Not sure? We’ve got you.
📍Visit our clinic in Bangkok or
💬 Prefer a quick consult? Try our Teleconsultation service
A: Some may improve temporarily, but untreated STIs can lead to serious complications. Always seek medical guidance.
