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

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

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

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

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

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

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

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

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

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

Asthma and Allergy Information and Research - Urticaria
- Detailed information on types of urticaria, potential causes, and options for treatment.
- http://www.users.globalnet.co.uk/~aair/urticaria.htm