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Swelling - Topic Overview

Some people may experience swelling as a reaction to a medical treatment, procedure, or surgery. Swelling from a medical treatment may be related to the procedure or to a substance, such as dye, used during the procedure. Swelling may occur at an intravenous (IV) site used during a procedure or at an IV site used for medicines given at home. Some swelling at the site of surgery is normal, such as swelling of the arm after a mastectomy. Lymphedema is swelling that occurs in an area around lymph nodes that have been removed (such as following surgery) or injured (such as following radiation treatments).

Swelling can also be caused by the fluctuation of hormone levels within the body. Some women may notice swelling from retaining fluid during their menstrual cycles. This may be called cyclical edema because it is related to the menstrual cycle. Some women experience mild swelling in their hands or feet during pregnancy. Swelling in the feet may be more noticeable in the third trimester of the pregnancy. Generalized swelling can be a sign of a pregnancy-related problem called preeclampsia. For more information, see the topic Pregnancy-Related Problems.

Swelling can occur when tissues move out of their normal position, such as hernias in the abdomen. For more information, see the topic Inguinal Hernia.

Most of the time swelling is mild and goes away on its own. You may not even know what caused the swelling. Home treatment is usually all that is needed to relieve mild symptoms.

Check your symptoms to decide if and when you should see a doctor.

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WebMD Medical Reference from Healthwise

Last Updated: April 02, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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