Worldhealthcare.net
A UK based medical search engine providing informative resources from around the globe.

Med411
A medical search engine and portal.

Med Help International Search
Consumer medical search engine comprising articles, patient support groups, glossary, and Q&A.

Medic8.com
Directory and medical search engine for healthcare professionals.

U.S. Non-Commercial Medical Search Engines
Dr. Claudia Krenz provides search boxes and instructions for eleven specialist search tools, mainly maintained by the National Library of Medicine.

MedHunt
A tool from Health on the Net that searches the full text of 60,000 medical documents. Searches can be narrowed by location or type of source.

Gateway
The National Library of Medicine Gateway allows users to search in multiple retrieval systems at the U.S. National Library of Medicine.

Vitalseek
Indexes and rates websites and resources in selected medical areas.

Vivísimo ClusterMed
Sends requests to the PubMed search engine and clusters the search results.

Article Sciences
Scientific article search and order engine, a service provided by Institut de l'Information Scientifique et Technique (INIST) of Centre National de la Recherche Scientifique (CNRS), France.

Entrez
Simultaneously search multiple life sciences databases at the National Center for Biotechnology Information (NCBI).

Medical World Search
This tool has the ability to query other search engines, also provides a discussion forum, medical spelling and drug acronym devices. All users must register and pay annual membership fee.

OmniMedicalSearch.com
A medical metasearch engine including various seek options and information tools.