Where Is LactMed Hosted, and How Do You Reach It for Free?
LactMed — formally the Drugs and Lactation Database — is published by the National Institutes of Health and read directly in a web browser at its NCBI Bookshelf home. Access is free and requires no account, subscription, or institutional login. There is nothing to install: the database is a collection of individual substance records served as web pages.
The official access point
The durable address for LactMed is its Bookshelf record on the NCBI domain. That is the version the database's own editorial process maintains, and it is the version that reflects the most recent revision of each entry. Any other site that presents LactMed content is, at best, a mirror or a summary of it, and may lag behind the source.
The Bookshelf presentation matters for a practical reason. LactMed is organized as one record per substance rather than as a single long document, so the usual route in is a search for the substance name. Generic drug names work more reliably than brand names, and entries exist for many dietary supplements and botanical products as well as for prescription and over-the-counter medications.
Why "LactMed app" returns confusing results
Searches for a LactMed app, a LactMed download, or a standalone mobile version are common, and they tend to produce a mix of third-party tools, app-store listings, and summaries that are not the federal database. The reliable statement is narrower and more useful: the authoritative LactMed is the web-published database on the NCBI Bookshelf, it displays acceptably on a phone browser, and no installation is needed to read a full record.
The name itself is also unstable in search. Approximations such as lact med, lactemed, lactbase, lactation medication database, and drugs and lactation database are generally people reaching for the same NIH resource under a half-remembered name. The last of those is in fact its formal title, which is why a search for the plain description often lands closer to the real thing than a search for the nickname.
How to tell the source from a repackaging
A genuine LactMed record has a recognizable structure: a substance-level summary, sections on measured levels in milk and in infants, a section on effects relevant to lactation, a list of related substances, and a reference list of the published literature the entry draws on. It also carries a revision date. A page that presents a conclusion without those supporting sections and without a date is a secondary interpretation, whatever it is called.
If you are working through an entry for the first time, the section-by-section walkthrough in how to read a LactMed record explains what each heading contains and what the reference list is doing there. For the broader question of what the database is for and who its intended readers are, see what LactMed is.
What the database is and is not
LactMed is a reference that assembles and summarizes published evidence about substances and lactation. It is written for clinicians and for informed readers, and it is explicit that it reports literature rather than issuing individualized instructions. Reading a record is not the same as receiving clinical guidance, and the database does not attempt to substitute for the judgment of a prescriber or lactation clinician who knows a particular case.
For the surrounding questions that LactMed deliberately does not answer — how feeding is typically learned, what support exists through public programs, what the recommended duration of exclusive breastfeeding is — the federal and international plain-language resources are separate and easier to use for that purpose. The Office on Women's Health breastfeeding pages and USDA WIC Breastfeeding Support cover practical ground, and the World Health Organization's breastfeeding topic page states the international recommendations. LactMed stays in its narrow lane, which is part of why it is dependable within it.
Why this resource keeps appearing in caregiver training
Maternal-infant caregiver coursework frequently names LactMed because it is free, federal, citable, and stable — four properties that are rare together. Knowing where it lives and what a record contains is a reasonable expectation for someone studying the maternal-infant side of caregiving, even though interpreting a record for a specific patient sits with licensed clinicians rather than with aides or students.