Antibiotic: A drug used to treat infections caused by bacteria and other microorganisms.
Antihistamine: Drug used to offset the effects of histamine.
ACE Inhibitor: Angiotensin converting enzyme (ACE) A type of drug used to lower blood pressure.
Complete blood count: Standard set of measurements of the white blood cells and red blood cells.
Edema: The accumulation of fluid in part of the body.
Erythrocyte Sedimentation Rate (ESR): This is a kind of blood test to detect Inflammation.
Histamine: A chemical released in the body during an allergic reaction, causing inflammation; also used in medical treatment, especially to dilate capillaries.
Subcutaneous: Beneath the skin.
Urticaria: Hives. Raised, itching areas of skin, often a sign of an allergic reaction. Also called "welts" or "nettle rash."