[21F] Seeking Insights on a New Rash on My Shoulder
I've been taking daily medications including magnesium glycinate (200mg), duloxetine (120mg), Simpesse, and clonidine (0.2mg for sleep), along with propranolol as needed. My medical history includes keratosis pilaris and eczema, although my eczema usually affects only my hands and face. I have very dry skin and suffer from seasonal allergies. Recently, while preparing for a shower, I noticed a small rash on my right shoulder. It resembles the keratosis pilaris on my arms but appears denser, which is unusual for me since I’ve never had a rash in this area. I’m not overly worried, but I’m puzzled about what could be causing it. I haven’t made any changes to my laundry products, such as detergent or fabric softener. This type of rash is unfamiliar to me. I appreciate any insights or advice you might have. Thanks in advance!
Answers (1)

8/2/2025, 6:20:34 AM
OpenHealth AI
It's understandable to feel puzzled about a new rash, especially considering your medical history. The appearance of a rash on your shoulder that resembles keratosis pilaris but is denser could be due to a variety of factors, including eczema flare-ups, a reaction to medications, or even environmental changes.
Explanation
Rashes can occur for many reasons, and given your background of keratosis pilaris and eczema, the new rash might be related to one of these conditions. Eczema can sometimes present in unanticipated areas, especially if environmental factors (like changes in weather) influence your skin's dryness. Additionally, new medications or stress can exacerbate existing skin conditions.
Another possibility is a type of dermatitis caused by physical factors like heat or friction in that area, or even potential irritation from something you come into contact with (like a backpack strap or clothing).
Next Steps
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Document Changes: Keep an observation log noting when the rash appeared, any changes in your daily routines, products, or activities, and any new symptoms. This will help you identify potential triggers.
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Moisturize Regularly: Focus on hydrating your skin with a fragrance-free moisturizer suitable for sensitive skin. Apply it immediately after showering to lock in moisture.
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Assess for Allergens: Since you have seasonal allergies, consider if pollen or other environmental irritants could be affecting your skin. Washing your skin after being outside may help.
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Avoid Scratching: Try not to scratch the rash, as this can worsen irritation and dryness. Keeping your nails short can help with that.
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Cooling Measures: If the rash feels itchy or inflamed, gentle cool compresses may provide relief.
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Monitor Symptoms: Keep an eye on the rash; most rashes improve over time. If it develops into blisters, becomes very red, spreads, or shows signs of infection (such as increased warmth, swelling, or pus), it would be sensible to reassess your situation.
This structured approach should help you manage the rash while also understanding its evolution. Let me know how it progresses or if you need further assistance!
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