DermNet - Urticaria
Information on different types of hives, including cholinergic urticaria and dermographism.
http://www.dermnet.org.nz/dna.urticaria/urt.html

Urticaria Pigmentosa
Causes, prognosis and treatment.
http://www.capederm.com/info_urticaria_pigmentosa.htm

Emedicine.com - Urticaria
Pathophysiology, frequency, mortality/morbidity rate, causes, treatment, laboratory studies and medications.
http://www.emedicine.com/emerg/topic628.htm

Chinese Traditional Medicine and Urticaria
Describes in detail how practitioners in China solve this disorder with TCM herbal products and herbs. Information about TCM books, qigong, tuina and acupuncture included.
http://www.tcmtreatment.com/images/diseases/urticaria.htm

Hives - DrGreene.com
Question and answer format explaining possible causes of hives, as well as treatment and prevention.
http://www.drgreene.org/body.cfm?id=21&action=detail&ref=822

Hives - DrGreene.com
Read an article explaining a common rash and its many causes.
http://www.drgreene.com/21_1117.html

International Chronic Urticaria Society
Includes clinical and anecdotal information about chronic hives from members of a mailing list support group.
http://www.urticaria.thunderworksinc.com

eMedicine Health - Hives and Angioedema
Consumer health resource center providing information on the causes, symptoms, and treatment.
http://www.emedicinehealth.com/articles/8611-1.asp

Stop And Smell The Roses
Living with Urticaria Pigmentosa. Find articles and information about a book.
http://www.angelfire.com/weird2/ripleystvguest/

Discovery Health - Hives
Description of hives, symptoms, prevention, treatment, when to call the doctor, and prognosis.
http://health.discovery.com/encyclopedias/illnesses.html?article=113

MedicineNet: Hives
Doctor written consumer health information on this condition, the different types of hives, causes, and treatment.
http://www.medicinenet.com/hives/article.htm

American Academy of Dermatology - Urticaria
Brief overview of types of urticaria, causes, and treatment. Displays some photographs.
http://www.aad.org/public/publications/pamphlets/skin_urticaria.html