When can I have sex after chlamydia treatment?

What is the exact waiting rule?

The CDC treatment guidelines give a simple rule. How long you wait depends on which medicine you got.

On top of that, wait until all of your recent partners have been treated. If a partner who still has chlamydia has sex with you, you can get it again right away, even if your own treatment worked.

• Doxycycline, 7 days of pills (the usual first choice): wait until you have taken the last pill and any symptoms are gone.
• Azithromycin, 1 dose: wait 7 days after you took it. The medicine keeps working in your body during that week.
• Levofloxacin, 7 days: same as doxycycline, wait until the course is done.
• Partners: they should wait until they finish their own 7-day course and any symptoms are gone.

Does oral or anal sex count?

Yes. CDC says chlamydia spreads through vaginal, anal, and oral sex without a condom. The infection can live in the throat and the rectum, not just the genitals, so the waiting period applies to every kind of sex.

The CDC guidance for treated patients says to avoid sex during this window. It does not say a condom makes it OK to start early, so the safest plan is to wait the full time.

Why did I get doxycycline instead of one pill?

In 2021, CDC made doxycycline 100 mg twice a day for 7 days the recommended treatment. A single 1 g dose of azithromycin is now an alternative. Doxycycline works better for chlamydia in the rectum, and it may work better in the throat too.

If you are pregnant, the plan is different. Doxycycline is not used in the second and third trimesters, so azithromycin is the recommended choice in pregnancy.

Take every dose, even once you feel fine. If you skip doses, tell the clinician who prescribed it. Missed doses are one of the reasons CDC lists for checking whether the infection cleared.

How do I tell a partner?

Chlamydia often causes no symptoms, so a partner may have had it first without knowing. Having it does not mean anyone cheated or did something wrong. Keeping the message short and practical usually goes best.

Ask your clinician about expedited partner therapy (EPT). With EPT, your clinician gives you medicine or a prescription to pass to your partner, so they can be treated without an exam first. CDC says EPT is legal in most states, but the rules vary by state. Partners who use EPT should still get checked for HIV and other STIs, and should see a clinician soon if they have symptoms. For men who have sex with men, CDC suggests deciding on EPT together with a clinician, because partners may need other testing too.

• Who to tell: anyone you had sex with in the 60 days before your symptoms or your test. If your last partner was more than 60 days ago, tell that person.
• What to say: "I tested positive for chlamydia and got treated. It's common and easy to treat. You should get tested or treated too, and we should wait to have sex until we're both done."
• If you can't face it: many local health departments offer partner notification services that can reach out for you.

Do I need another test?

Yes, but not right away. CDC recommends a retest about 3 months after treatment, even if you are sure your partners were treated. If 3 months doesn't work, get retested at your next visit within the year.

Most people do not need a test to prove the infection is gone (a test of cure). CDC does recommend one about 4 weeks after treatment if you are pregnant. A clinician may also want to retest sooner if symptoms don't go away, if you missed doses, or if you think you were exposed again. People treated with single-dose azithromycin for a rectal infection may also need follow-up testing, because it works less well there.