What is the differential diagnosis for the cause of edema?
Edema can be divided into physiological edema and pathological types such as lymphatic edema and angioedema. Depending on the underlying causes, the methods of differential diagnosis may vary. The specific analysis is as follows:
1. Physiological Edema
Physiological edema refers to transient swelling caused by factors such as body posture and temperature. Doctors diagnose this type of edema based on whether the patient has been standing or sitting for prolonged periods, engaging in excessive physical activity, or exposed to high temperatures. Physiological edema typically resolves spontaneously within a few hours or days and usually does not require additional medical intervention.
2. Pathological Edema
1) Lymphatic Edema
Lymphatic edema results from dysfunction of the lymphatic system. For example, lymph node removal or lymphangitis can lead to lymphatic edema. This type of edema is usually localized to one side or a specific area and is accompanied by symptoms of impaired lymphatic return, such as local infection or fever. Treatment may include medications such as levofloxacin hydrochloride tablets or ofloxacin tablets under medical guidance. In some cases, surgical interventions such as lymphatic bypass surgery or flap transplantation may be necessary.
2) Angioedema
Angioedema occurs due to increased vascular permeability or changes in intravascular pressure. Conditions such as allergic reactions or vasculitis can cause angioedema. It is typically accompanied by signs of allergy, including skin redness, swelling, and itching, which aid in differential diagnosis. Patients may be treated with corticosteroid medications such as prednisone acetate tablets or dexamethasone sodium phosphate injection under physician supervision.
In addition to the common types mentioned above, other forms include metabolic edema and drug-induced edema. Different types of edema may present with varying clinical symptoms and diagnostic approaches. If edema occurs, it is recommended to seek medical evaluation at a hospital.