Hives are itchy, red welts or small bumps that last from 15 minutes to several hours. They usually appear suddenly and leave no trace when they disappear. Crops of Hives may appear several times a day. They may come and go for days, weeks, or sometimes longer. Hives are harmless except when they cause throat swelling, which is rare but requires immediate treatment. Angioedema is a hive-like swelling of the lips, eyes, or other tissue. Angioedema may take 24 hours or more to go away. Hives are treated by Dr. Green for patients in the DC, Virginia, and Maryland regions.

What causes Hives?
Hives are usually the result of an allergic reaction.

How do I determine the cause of my Hives?
Medications such as penicillin, aspirin, or codeine may cause Hives in people who are allergic. Certain foods like shellfish, strawberries, chocolate and blue cheese commonly trigger Hives. Infections such as infectious mononucleosis (more commonly known as “mono”), urinary tract infections, colds, infected teeth or sinuses can also cause Hives. Hives are rarely the result of an internal disease such as an overactive thyroid. Occasionally physical agents such as pressure, cold, heat, sunlight, and exercise may cause Hives.

What are treatment options for Hives?
First and foremost, the inciting cause should be avoided. Antihistamines are usually effective in treating hives. If your hives are persistent or not readily responding to antihistamines, testing and the use of other medication may be prescribed.