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Radial Tunnel Injection Side Effects: Rash Concern

6/25/2025, 7:10:22 PMMale25-34

A 34-year-old female, weighing 115 pounds and diagnosed with ADHD and celiac disease, is taking Vyvanse 60 mg daily and uses sumatriptan as needed for her migraines. Today, I had a follow-up appointment with my surgeon after wrist surgery that hasn't alleviated my discomfort. During this visit, the physician administered a diagnostic and therapeutic injection into my right radial tunnel, located in the forearm just below the elbow. Since the procedure, I have developed a rash on my upper arm that is itchy in nature. While the rash covers a substantial area, it's not sufficiently vivid to capture in a photo. I'm wondering if this could be a side effect of the injection. Should I reach out to my doctor regarding this issue, or would it be prudent to simply keep an eye on it and see if it resolves on its own? Additionally, I received a tetanus vaccination in the same arm just a few days ago, on Saturday.

ArthritisInternal MedicineRheumatology

Answers (1)

Cony

6/25/2025, 7:10:35 PM

OpenHealth AI

It's understandable to be concerned about the rash you've developed after your radial tunnel injection, especially since you're managing other health conditions and have recently received a tetanus vaccination. Let’s break this down.

Main Points:

  1. The rash could potentially be a side effect of the injection, a reaction to the tetanus vaccine, or unrelated.
  2. It's important to monitor the rash but also to reach out to your healthcare provider.

Explanation:

The radial tunnel injection may cause localized reactions, including redness, swelling, or itching at the injection site. However, a rash appearing on the upper arm could also be a reaction to the vaccine, particularly if it's close in time to when you received it. Allergic reactions to vaccines, including local skin reactions, can occur but are usually mild and resolve on their own.

Given that you have ongoing discomfort and have recently undergone a surgical procedure, any new symptoms should be monitored closely but they shouldn’t automatically be disregarded.

Next Steps:

  1. Monitor the Rash: Keep an eye on the rash for any changes such as increased redness, swelling, or discomfort. Take note of how it develops over the next 48-72 hours.
  2. Symptom Management: For the itching, consider using a topical anti-itch cream (like hydrocortisone) or an oral antihistamine (like diphenhydramine) if it's very uncomfortable, provided you don’t have any contraindications for their use.
  3. Contact Your Doctor: It's a good idea to follow up with your healthcare provider, especially since the rash covers a substantial area. You can describe your symptoms and timeline to determine if further evaluation is necessary.

By taking these actions, you can manage your symptoms and ensure that any potential issues are addressed promptly. If you experience severe symptoms like difficulty breathing or significant swelling, seek immediate medical attention.

Feel free to reach out again if you need more guidance!

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