Why doxycycline now instead of the single dose?

› Forums › Chlamydia › Why doxycycline now instead of the single dose?

  • Post
    • August 30, 2026 at 11:24 pm
    brown_paper
    Participant

    Treated years ago with a single dose and it was done in one go. This time I have been given a week long course of something else and nobody explained the change.

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Member experience, not medical advice. Symptoms overlap between infections and only a test can tell them apart.
  • Replies
    • August 31, 2026 at 8:24 pm
    northwindow
    Participant

    The guidance changed. In the CDC 2021 update doxycycline for a week became the recommended regimen for chlamydia, with the single dose azithromycin moved to alternative.

    The main driver was rectal infection, where the week long course performs noticeably better. Since rectal infection is often present without anyone knowing, treating everyone with the more effective option was the simpler call.

    • September 1, 2026 at 7:24 pm
    kite_and_string
    Participant

    The practical consequence is that finishing it matters more than it used to. A single dose is taken in front of the pharmacist. A week long course is something you have to remember twice a day, and stopping early when you feel fine is now a real failure mode.

    • September 2, 2026 at 6:24 pm
    small_hours
    Participant

    Also worth asking about sun sensitivity if you are somewhere bright, and whether anything you take regularly needs spacing around it. Both are ordinary questions and the pharmacist will answer them in a minute.

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