Hives are swollen, red or pink bumps, patches, or welts on the skin that usually appear suddenly. Itching is the most common symptom. Your doctor will be able to determine if you have hives from a physical exam. Most rashes go away on their own and you may not need prescription treatment. If necessary, you will be suggested to take antihistamines.
Nodular fasciitis is a rapidly growing non-neoplastic soft tissue lesion. It is usually small, solitary and fast-growing. Patients may occasionally feel painful. Ultrasound and MRI are usually used in diagnosis. The usual treatment is surgical removal. Pinhole laser and corticosteroids are also widely used in treatment.
Poison ivy rash is caused by an allergic reaction to an oily resin called urushiol. Signs of a poison ivy rash include redness, itching and swelling. Often the rash looks like a straight line. Poison ivy treatments are usually limited to self-care methods. And the rash typically goes away on its own in two to three weeks.