Chlamydia is a bacterial infection. The bacteria are usually spread through sex or contact with infected genital fluids (semen or vaginal fluid). You can get ...SkiptomaincontentHomeHealthAtoZBacktoHealthAtoZOverview-ChlamydiaContentsOverviewSymptomsDiagnosisTreatmentComplicationsChlamydiais1ofthemostcommonsexuallytransmittedinfections(STIs)intheUK.It'spassedonthroughunprotectedsex(sexwithoutacondom)andisparticularlycommoninsexuallyactiveteenagersandyoungadults.IfyouliveinEngland,areunder25andaresexuallyactive,it'srecommendedthatyougettestedforchlamydiaeveryyearorwhenyouchangesexualpartner.SymptomsofchlamydiaMostpeoplewithchlamydiadonotnoticeanysymptomsanddonotknowtheyhaveit.Ifyoudodevelopsymptoms,youmayexperience:painwhenpeeingunusualdischargefromthevagina,penisorbottominwomen,paininthetummy,bleedingaftersexandbleedingbetweenperiodsinmen,painandswellinginthetesticlesIfyouthinkyou'reatriskofhavingasexuallytransmittedinfection(STI)orhaveanysymptomsofchlamydia,visitaGP,communitycontraceptiveserviceorlocalgenitourinarymedicine(GUM)clinictogettested.Important:Usingsexualhealthclinicsduringcoronavirus(COVID-19)Callasexualhealthclinicifyouneedhelporadvice.Onlygotoaclinicifyou'vebeentoldto.FindsexualhealthcliniccontactdetailsHowdoyougetchlamydia?Chlamydia isabacterialinfection.Thebacteriaare usuallyspreadthroughsexorcontactwithinfectedgenitalfluids(semenorvaginalfluid).Youcangetchlamydiathrough:unprotectedvaginal,analororalsexsharingsextoysthatarenotwashedorcoveredwithanewcondomeachtimethey'reusedyourgenitalscomingintocontactwithyourpartner'sgenitals–thismeansyoucangetchlamydiafromsomeoneevenifthere'snopenetration,orgasmorejaculationinfectedsemenorvaginalfluidgettingintoyoureyeItcanalsobepassedbyapregnantwomantoherbaby.Chlamydiacannotbepassedonthroughcasualcontact,suchaskissingandhugging,orfromsharingbaths,towels,swimmingpools,toiletseatsorcutlery.Is chlamydiaserious?Althoughchlamydiadoesnotusuallycauseanysymptomsandcannormallybetreatedwithashortcourseofantibiotics,itcanbe