What causes bleeding spots below the knee, and what should be done about them?

Jun 05, 2023 Source: Cainiu Health

Dr. Lin Yunfei

Introduction

The knee generally refers to the knee joint. Bleeding spots below the knee joint may be caused by physiological factors, or may be related to pathological factors such as trauma or eczema, and can be relieved through physical therapy or medication. In addition, they could also result from conditions such as keratosis pilaris, allergic purpura, or lower limb varicose veins. It is important to seek timely medical evaluation at a hospital and follow the doctor's instructions for treatment.

The knee generally refers to the knee joint. The presence of bleeding spots below the knee joint may be caused by physiological factors, or may be related to pathological factors such as trauma or eczema. These symptoms can be relieved through physical therapy or medication. Specific analysis is as follows:

I. Physiological Factors

If the knee joint is exposed for a prolonged period to direct airflow from a fan or air conditioner, it may lead to spasmodic contractions, resulting in the aforementioned condition. This is usually a normal phenomenon and does not require special treatment.

II. Pathological Factors

1. Trauma

If the area below the knee joint experiences a collision, it may cause rupture of subcutaneous capillaries and subsequent bleeding, leading to localized skin bleeding spots. Applying cold compresses with an ice pack can help constrict blood vessels and reduce bleeding.

2. Eczema

Long-term exposure to excessively damp environments may impair skin metabolism and trigger eczema. Under inflammatory stimulation, this may result in pinpoint-sized papules, presenting as the symptoms described above. Treatment may include topical medications such as desonide cream or tacrolimus ointment, used under a doctor's guidance.

In addition, conditions such as keratosis pilaris, allergic purpura, or lower limb venous varicose veins may also cause similar symptoms. It is important to seek timely medical evaluation and follow medical advice for appropriate treatment.

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