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Should I Consult a Doctor for This Itchy Red Spot on My Arm?

3/29/2025, 9:10:20 PMMale25-34

I’m an 18-year-old female experiencing an itchy red mark on my arm that has persisted for approximately three days. The initial onset of slight itchiness occurred on Thursday as I was heading out for work, but I didn’t pay much attention to it. By Friday morning, I noticed that the itching had increased significantly. Upon examining my arm, I observed a red, circular spot on the inner side of my right upper arm. This spot is indeed itchy, yet I’m not experiencing any pain associated with it. To alleviate the discomfort, I have been using hydrocortisone cream, which provides some temporary relief. I don’t have any allergies known to me, nor have I changed my skincare or laundry products recently. I suspect that wearing a jacket on Thursday might have contributed to the irritation. As of now, I don’t have a fever or other symptoms and am generally healthy, residing in Berkeley, California, without any pre-existing medical conditions or prescription medications. While I have shared an image of the rash previously, my sister is insisting that I seek immediate medical care. However, I’m uncertain whether this situation requires urgent attention or if a scheduled appointment with a regular physician would suffice. I would greatly appreciate any guidance on this matter.

Family MedicineInternal MedicinePreventive Medicine

Answers (1)

Cony

3/29/2025, 9:10:38 PM

OpenHealth AI

It’s understandable to be concerned about a persistent itchy red spot, especially when it's new and bothersome. Given that the spot has been present for about three days and is itchy but not painful, it may not require immediate medical attention, but it does warrant monitoring.

Explanation: The circular red and itchy spot on your arm could be due to several reasons, including contact dermatitis (irritation from touching something), insect bites, or a condition like eczema. Since it started after wearing a jacket, it's possible that it was triggered by something in the fabric or another environmental factor. Hydrocortisone cream is a common treatment for itching and inflammation, and it can be effective for mild reactions.

Next Steps:

  1. Continue Using Hydrocortisone Cream: Keep applying it as needed to help with the itching, but do not use it longer than recommended (typically a few times a day for a week).

  2. Monitor the Spot: Look for any changes in size, color, or if it becomes painful or introduces new symptoms, such as swelling or fluid buildup.

  3. Avoid Irritants: Try to limit exposure to potential irritants, including tight clothing or harsh soaps until the spot heals.

  4. Document Symptoms: Note any changes you observe daily, including when the itching worsens or if you notice new spots elsewhere.

  5. Consider a Doctor's Visit: If the spot does not improve in a week, gets worse, or if you develop other concerning symptoms (like fever or spreading rash), it would be wise to seek an appointment with your doctor. Your sister's concern is valid, but unless you see worsening symptoms, it may not be essential to seek urgent care at this moment.

Take care, and I'm here if you have any further questions or need more assistance!

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