Web resource for physicians and other health professionals.

An online clinical medical knowledge base.

Online version of The Merck Manual of Diagnosis and Therapy.

EU pharmaceutical regulatory resource for drug manufacturers documents, and guidance for newly licensed formulations for human and veterinary use.

An agency of the United States Department of Health and Human Services.

An EU agency with aim to strengthen Europe's defences against infectious diseases.

US Food and Drug Administration.

EFSA is the EU risk assessment body for food and feed safety. It provides independent scientific advice to risk managers.

The body of New Zealand Dermatological Society. Designed as a resource for patients, general practitioners and dermatologists.

A large selection of high quality dermatological images that are accessed via an alphabetical index.

A journal for the health-care practitioner that is intended to increase knowledge, stimulate research, and promote better management of people with diabetes mellitus.

The largest dermatology information service available on the Internet.

A public resource for evidence-based clinical practice guidelines.

The Global Initiative for Chronic Obstructive Lung Disease (GOLD).

The Global Initiative for Asthma (GINA).

UpToDate is an evidence based, peer reviewed information resource, available via the Web, desktop, and PDA.

National Institute for Health and Clinical Excellence (NICE) is an independent organisation responsible for providing national guidance on promoting good health and preventing and treating ill health.

NIAID provides health information on allergic, infectious, and immunologic diseases.

Medical News Today brings you hourly health news from well-regarded sources such as JAMA, BMJ, Lancet, BMA, plus articles written by their team.

The Scottish Intercollegiate Guidelines Network (SIGN) develops evidence based clinical practice guidelines for the National Health Service (NHS) in Scotland.