Hard Lumps in Blood Vessels After Injections

Vascular hard lumps?

I have been receiving anti-inflammatory injections at the clinic for tendonitis for several consecutive days.
Afterwards, the nurse mentioned that the blood vessels on the inner side of my right elbow had hardened.
After repeating the injections in the same location several times, they switched to the veins in my left arm.
Since then, I haven't had any more injections.
About a week later, I noticed a hard lump where the nurse had injected my right arm, and it has been almost three weeks since the injections.
Could you please tell me what symptoms this might indicate and how I can treat or improve this condition? Thank you.

Shang En, 20~29 year old female. Ask Date: 2022/09/22

Dr. He Dongjin reply Cardiology

Hello, you should just observe, as theoretically, it will improve on its own.
Changhua Hospital cares about you.

Reply Date: 2022/09/22

More Info

The hard lumps you are experiencing in your blood vessels after multiple injections are likely a result of phlebitis or thrombophlebitis, which is inflammation of the vein due to irritation from the needle or the injected medication. This condition can occur when a vein is repeatedly punctured, leading to localized swelling, tenderness, and the formation of hard lumps at the injection site.
When you receive injections, particularly in the same area multiple times, the vein can become irritated or damaged. This irritation can lead to inflammation, which may cause the vein to feel hard and tender. In some cases, blood can pool in the area, leading to a hematoma, which is a localized collection of blood outside of blood vessels. This can also contribute to the hard lump you are feeling.

To treat and improve this condition, here are some recommendations:
1. Warm Compresses: Applying warm compresses to the affected area can help increase blood flow and promote healing. Heat can also help alleviate discomfort associated with inflammation.

2. Rest and Elevation: Resting the affected arm and elevating it can help reduce swelling. Avoid activities that may strain the area.

3. Over-the-Counter Pain Relief: Nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen can help reduce pain and inflammation. However, consult with your healthcare provider before taking any medication.

4. Topical Treatments: Creams or gels that contain anti-inflammatory ingredients may provide additional relief. Some patients find relief with topical treatments like arnica gel or creams containing NSAIDs.

5. Avoid Further Irritation: If possible, avoid using the affected arm for injections until the area has healed completely. This will help prevent further irritation and allow the vein to recover.

6. Monitoring: Keep an eye on the lump. If it does not improve after a few weeks, or if you notice increased redness, warmth, or fever, it is essential to consult a healthcare professional. These could be signs of an infection or other complications.

7. Consult a Specialist: If the lump persists or if you have concerns about your symptoms, consider consulting a vascular specialist. They can perform an ultrasound to assess the blood flow and determine if there are any underlying issues that need to be addressed.

In summary, while the hard lump you are experiencing is likely a benign reaction to the injections, it is essential to monitor the situation and take steps to promote healing. If symptoms persist or worsen, seeking medical advice is crucial to rule out any complications.

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