Chlamydia treatment – Doxycycline capsules

Doxycycline is the first-line antibiotic for treating chlamydia, taken twice daily for 7 days. It’s highly effective, but should be avoided with dairy and sun exposure for best results.

£11.99

  • Doxycycline is the first-line antibiotic for chlamydia in the UK
  • Take 100mg twice daily for 7 days — finish the full course

  • Avoid milk and sun exposure during treatment

  • One sexual partner policy: no sex until 7 days after both partners finish treatment

  • Most common side effects: nausea, diarrhoea, headache, and sun sensitivity

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FAQs about medications

Everything you need to know about the product. Can’t find the answer you’re looking for? Please chat to our friendly team.

Doxycycline is a broad-spectrum antibiotic from the tetracycline family. It is licensed in the UK to treat a wide range of infections — including chlamydia, one of the most common bacterial sexually transmitted infections (STIs). It works by stopping the growth of bacteria and is considered the first-line treatment for uncomplicated genital chlamydia.

References :

NHS – Chlamydia: Diagnosis and Testing
Explains how chlamydia is diagnosed, who should be tested, and standard antibiotic treatment (including doxycycline) for adults.
https://www.nhs.uk/conditions/chlamydia/diagnosis


British National Formulary (BNF) – Doxycycline
The official UK prescribing reference, listing doses, contraindications, interactions, and side effects of doxycycline across multiple conditions, including chlamydia.
https://bnf.nice.org.uk/drugs/doxycycline/ (Free registration may be required)


UKHSA National Guidelines for STIs in Primary Care (2022)
The UK Health Security Agency’s guidance confirms doxycycline as the first-line treatment for uncomplicated chlamydia infections.
https://www.gov.uk/government/news/ukhsa-publishes-latest-sti-data

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