A collection of information on the latest research into this condition.

Consumer health resource center providing information on the causes, symptoms, and treatment of colds. From eMedicine Health.

Information on causes, treatments and complications, alongside myths and recipes.

Basic patient information page.

A basic information that can be given to patients.

Includes general information, plus an explanation of conventional and alternative medications.

Offers details on symptoms, a flu alert, and a game. [Supported by Pfizer Consumer Healthcare, and only mentions their products.]

Features causes, prevention, treatment, and symptoms.

Personal account of treating this illness.

Directory of facsheets, news stories, and articles.

Fact sheet with general information, including causes, symptoms, prevention and treatment.

Overview of a study by the Food and Drug Administration Panel into the safety and effectiveness of medications used to treat this condition.