Chlamydia infection

Chlamydia can cause a discharge, burning during urination and itchy genitals.


Chlamydia can cause a discharge, burning during urination and itchy genitals. The infection is transmitted through unprotected sex. As long-term consequences can occur if the infection isn't treated, treatment with antibiotics is very important.


Main symptoms

The symptoms are often very slight or go completely unnoticed.

Women can experience:
  • Lower abdominal pain
  • Burning during urination, constant urge to urinate
  • Itchy genitals
  • Unusual vaginal discharge (different odour, colour)
  • Pain during intercourse
  • Anal itching or discharge
Men can experience:
  • Whitish urethral discharge (from the opening of the penis), particularly in the morning
  • Pain during intercourse
  • Itchy genitals
  • Painful testicles
  • Burning and pain during urination
  • Anal itching or discharge


Failure to notice a chlamydia infection can lead to long-term consequences:

Causes and treatment


  • Chlamydia infections are caused by bacteria (chlamydia trachomatis)

These bacteria are transmitted during unprotected intercourse.

Further treatment by your doctor / in hospital

Possible tests
  • Swabs to identify bacteria
Possible therapies
  • Antibiotics

What can I do myself?

Follow the safer sex rules:

  • Always use a condom or femidom during sexual intercourse
  • Don’t get sperm or blood (including menstrual blood) in your mouth, and don’t swallow sperm or blood

When to see a doctor?

  • Itching, burning or discharge in the genital region
  • After having high-risk sex, i.e. in particular after unprotected sex outside a committed partnership (casual sex)
  • If your sexual partner is known or diagnosed to have a sexually transmitted infection or disease

Further information

Federal Office of Public Health, FOPH (Bundesamt für Gesundheit, BAG)

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CSS offers no guarantee for the accuracy and completeness of the information. The information published is no substitute for professional advice from a doctor or pharmacist.

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