References UK clinical guidance from the NHS, the British HIV Association (BHIVA), and the British Association for Sexual Health and HIV (BASHH). Last updated: April 2026.
Chlamydia in men can cause urethral discharge and burning on urination, but many cases are completely silent. Without testing, infection goes undetected and can be passed to partners. Testing is simple, treatment is effective, and catching it early prevents complications like epididymitis.
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Symptoms
| Symptom | How Common |
|---|---|
| Discharge from penis | Common when symptoms present |
| Burning on urination | Common |
| Testicular pain | Less common |
| No symptoms | Many men have none |
Testing
- First-catch urine sample
- Throat and rectal swabs if relevant
- Home kits available free in many areas
- Reliable from 1-2 weeks after exposure
Treatment
- Doxycycline 100mg twice daily for 7 days
- Avoid sex for 7 days
- Partners tested and treated
Complications
- Epididymitis (testicular inflammation)
- Reactive arthritis (rare)
- Increased HIV susceptibility
Prevention
- Condoms
- Regular testing
- Partner treatment
Read more: What is chlamydia? | Chlamydia discharge | Chlamydia and MSM
Frequently Asked Questions
Can I have chlamydia without symptoms?
Yes — many men have no symptoms.
Is the test just a urine sample?
Urine for urethral, plus throat/rectal swabs if you’ve had those types of sex.
Can chlamydia affect fertility?
Rarely in men, but epididymitis is possible.
Related reading
- Abnormal Genital Discharge and Chlamydia
- Can Mycoplasma Genitalium Be Cured?
- Can You Get Chlamydia From Kissing?
- Can You Have Chlamydia and Test Negative?
- Chlamydia and Gay Men: What to Know
Sources
- NHS — Sexual health conditions
- BASHH — UK clinical guidelines for STI management
- British HIV Association (BHIVA) — HIV treatment guidelines
- Terrence Higgins Trust — sexual health information
- UK Health Security Agency — STI surveillance data
Steve Page is a recognised expert on Sexually Transmitted Diseases (STDs) and STD treatments, having published numerous articles in peer-reviewed journals and presented his research at conferences around the world. He has an in-depth understanding of the latest medical research on STDs, and is an advocate for the development of new treatments and protocols to improve the health of those affected. In addition to his research, he has dedicated his career to understanding the causes and symptoms of STDs, as well as how to best treat those impacted.
