Chlamydia is one of the most common sexually transmitted infections (STIs) in the UK.
Our Health A-Z contains more information on Chlamydia.
Gonorrhoea is a [sexually transmitted infection (STI)](yourmd:/condition/sexually-transmitted-infections/introduction) caused by bacteria called Neisseria gonorrhoeae or gonococcus.
Our Health A-Z contains more information on Gonorrhoea in Men.
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.
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