What causes bruising on the legs?

Apr 24, 2023 Source: Cainiu Health

Dr. Zhang Heyang

Introduction

Bruising on the legs may be caused by factors such as external trauma, allergic purpura, nephritis, or other reasons. Treatment can be carried out according to individual conditions through general measures or medications. It is easy for capillaries to rupture and result in bruising. In addition, leg bruising may also be related to thrombocytopenia. After a hospital examination, appropriate treatment should be conducted based on the underlying cause.

Leg bruising may be caused by factors such as external trauma, allergic purpura, nephritis, and other reasons. Treatment can be carried out according to individual conditions through general measures or medications. Specific analyses are as follows:

1. External Trauma

If the leg is accidentally injured during daily activities, capillaries may rupture easily, leading to bruising. If symptoms are mild, applying cold compresses can help constrict blood vessels and alleviate the condition.

2. Allergic Purpura

Allergic purpura is a disease involving capillary lesions, which causes multiple bleeding spots throughout the body and localized blood accumulation resulting in bruising. Mild cases can usually be treated with medications under a doctor's guidance, such as acetaminophen tablets, methylprednisolone tablets, and luoding tablets (note: "luoding" may refer to an antibiotic; please confirm the exact drug name).

3. Nephritis

Nephritis impairs kidney function, allowing protein to leak into the urine (proteinuria) and disrupting normal blood circulation, which may lead to bruising. Medications should be taken as prescribed by a physician, such as furosemide tablets, hydrochlorothiazide tablets, and amoxicillin-clavulanate potassium tablets.

In addition, leg bruising may also be related to thrombocytopenia. It is recommended to visit a hospital for examination and receive appropriate treatment based on the underlying cause.

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