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What causes a stabbing pain in the knee one week after a fall, and what should be done about it?

Oct 09, 2023 Source: Cainiu Health
Dr. Wang Jianjun
Introduction
In general, if there is a stabbing pain in the knee one week after a fall, it may be caused by factors such as knee contusion, ligament injury, knee sprain, meniscus damage, or fracture, and appropriate treatment should be administered accordingly. For a knee injury, disinfection should be performed to prevent bacterial infection; alcohol can be used for disinfection, followed by covering the area with Vaseline gauze. If there is severe pain, painkillers may be taken appropriately.

Generally, if there is a stabbing pain one week after a knee injury, it may be caused by factors such as knee contusion, ligament damage, knee sprain, meniscus injury, or fracture. Appropriate treatment based on the specific cause is necessary. Details are as follows:

1. Knee Contusion: A bruised knee should be disinfected to prevent bacterial infection. After cleaning with alcohol, cover the area with Vaseline gauze. If bruising occurs, it will usually resolve naturally over time. However, if symptoms persist or pain worsens after one week, there may be bone involvement, and a hospital visit for examination is recommended.

2. Ligament Injury: If a knee fall results in local ligament damage, noticeable pain may also occur. Patients should rest adequately and avoid strenuous activities. If stabbing pain persists one week after the injury, medications such as Shujin Huoxue Tablets or Dahuoluo Capsules may be taken under a doctor’s guidance.

3. Knee Sprain: A knee fall often injures tendons and bones, leading to a sprain. Within the first 24 hours, apply ice packs and minimize movement. Avoid using trauma liniments or oils immediately; instead, wait at least 48 hours before applying heat therapy, followed by topical blood-activating and stasis-resolving trauma medicines. If stabbing pain continues one week after injury, a detailed medical evaluation is advised. Severe cases may require surgical intervention.

4. Meniscus Injury: A knee fall may result in meniscus damage, which can also cause significant pain. Patients should take care to protect the affected area and avoid overuse. If stabbing pain persists one week after injury, pain relief medications such as ibuprofen sustained-release capsules or celecoxib capsules may be taken under medical supervision when necessary.

5. Fracture: If a knee fall leads to a fracture, symptoms such as severe localized pain and swelling may occur. Prompt medical attention is required, and treatment may involve external immobilization with a cast. In more serious cases, surgical internal fixation may be necessary.

Patients are advised to seek timely medical care when experiencing discomfort and to follow standardized treatments under professional guidance to promote recovery.

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