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What is Edema?

Edema is the name given to swelling in the body. It is commonly caused by excess fluid trapped in your body’s tissues but it can also be caused by a twisted ankle, a bee sting, or a skin infection. Although edema can affect any part of your body, you may notice it more in your hands, arms, feet, ankles, and legs

Types of Edema

Peripheral edema.

This is most often seen in the legs, feet, and ankles, but it can also occur in the arms. It could indicate an issue with your circulatory system, lymph nodes, or kidneys.

Pedal edema.

When fluid collects in your feet and lower legs, this occurs. It’s more likely to happen to older or pregnant persons.  Since you do not have as much feeling in your feet, it may make it more difficult to walkabout.


This swelling in the arms and legs is most often caused by damage to your lymph nodes, tissues that help filter germs and waste from your body. Cancer treatments such as surgery and radiation may have caused the damage. Cancer may also obstruct lymph nodes, causing fluid to build up.

Pulmonary edema.

Pulmonary edema occurs when fluid gathers in the air sacs of the lungs. It’s difficult to breathe as a result of this, and it’s even worse when you’re lying down. You may have a racing pulse, feel suffocated, and cough up foamy, bloody spittle. If it occurs unexpectedly, dial 911.

Cerebral edema.

This is a serious type of Edema which leads to fluid building up in the brain. It can happen from hitting your head hard if a blood vessel gets blocked or bursts as well as tumour or certain allergic reactions.

Macular edema.

This condition happens when fluid builds up in a part of your eye called the macula. This may lead to damaged blood vessels in the retina leak fluid into the area.

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