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MedlinePlus: About MedlinePlus
MedlinePlus is an online health information resource from the National Library of Medicine. Find quality, trusted health information in English and Spanish.
2026-07-01 -
MedlinePlus: Information about MedlinePlus for Developers
Find technical information for web developers, including MedlinePlus Web Service, XML files, RSS feeds, and MedlinePlus Connect for electronic health records.
2026-07-01 -
Organizations: MedlinePlus
Find a list of organizations and agencies whose materials appear on MedlinePlus health topic pages.
2026-07-15 -
MedlinePlus: Linking to and Using Content from MedlinePlus
Some content on MedlinePlus is in the public domain and some is copyrighted. Learn the rules for linking to and using public domain and licensed content.
2026-07-01 -
MedlinePlus: Guidelines for Links
MedlinePlus links to health information from U.S. federal government agencies and selected other websites. Become familiar with MedlinePlus selection criteria.
2026-07-01 -
Chickenpox | Varicella | MedlinePlus
Chickenpox is a contagious disease caused by the varicella-zoster virus. It causes an itchy rash with blisters. Learn about vaccines and treatment.
2026-07-15 -
Easy-to-Read Health Information: MedlinePlus
Find easy to read health information on MedlinePlus. These materials are easier for people with limited health literacy to read, understand, and use.
2026-07-15 -
Herbs and Supplements: MedlinePlus
National Library of Medicine Menu Health Topics Drugs & Supplements Genetics Medical Tests Medical Encyclopedia About MedlinePlus Search Search MedlinePlus GO About MedlinePlus … New Site Map Customer Support Subscribe to RSS Connect with NLM NLM Web Policies Copyright Accessibility Guidelines for Links Viewers & Players HHS Vulnerability Disclosure MedlinePlus
2026-07-15 -
Health Check Tools: MedlinePlus
National Library of Medicine Menu Health Topics Drugs & Supplements Genetics Medical Tests Medical Encyclopedia About MedlinePlus Search Search MedlinePlus GO About MedlinePlus … Disclosure MedlinePlus Connect for EHRs For Developers National Library of Medicine 8600 Rockville Pike, Bethesda, MD 20894 U.S.
2026-07-15 -
Head lice | Pediculosis | MedlinePlus
Could that itchy, tickly feeling on your head be head lice? Learn about these tiny insects, such as how to tell if you have them, and how to treat it.
2026-07-15