CK-12 Foundation
Ck 12: Inflammatory Response and Leukocytes
[Free Registration/Login may be required to access all resource tools.] Whenever the skin is broken, it is possible for pathogens to easily enter your body. They get past the first line of defense, and run into the second line of...
DOGO Media
Dogo News: Say Goodbye to Peanut Allergies
Some scientific research suggests that there may be a way to inactivate the protein in peanuts that triggers allergic reactions to peanuts, and possibly to tree nuts. Additional research is required, but this may be a very promising...
Other
Uc Davis: Skin Prick Tests
An academic article titled "Inter- and intra-individual variability of skin reactivity to histamine at prick-testing."
WebMD
Web Md: Hives
This site from WebMD Health provides everything you need to know about hives. Where are they found, what causes them, how can they be treated, and more. The basics, the symptoms and the treatments are all discussed.
Other
Medinfo: Antihistamines
A description of antihistamines which tells what they're used for, the different forms they come in, and the adverse reactions that can occur from taking them.