Arm Blisters Inquiry
I am a 41-year-old man standing at 5 feet 10 inches tall and weighing 147 pounds. I don’t smoke and I'm not currently on any medication. Recently, I developed two fluid-filled blisters on each of my arms, which emerged about four days ago. Here are some relevant details: 1. Previously, I had a fungal infection on the finger of my right foot, which led to the formation of fluid-filled blisters. After one of those blisters burst, I started applying antifungal cream, and it is gradually improving. 2. The day following my foot issue, I discovered the four blisters on my arms. 3. Day 1 details are noticeable, and by Day 4, the size of the blisters has slightly increased but no new ones have developed since then. Importantly, I haven’t experienced any additional symptoms such as fever, cough, or tiredness. 4. I’ve been treating the blisters with calamine lotion on a daily basis. Given this situation, do you think I should consult a dermatologist right away, or is it better to monitor the condition for a while longer? Also, am I better off avoiding popping these blisters? Any guidance would be greatly appreciated.
Answers (1)

6/18/2025, 8:40:47 PM
OpenHealth AI
It sounds like you're dealing with some concerning blisters that have emerged after your previous fungal infection. While it's understandable to feel anxious about this, let's break down the situation and your options.
Main Points:
- The blisters might be related to your previous fungal infection, but they could also have other causes.
- It's generally advisable not to pop the blisters to prevent infection and further irritation.
- Monitoring the situation for further changes is important, but you should remain vigilant regarding any new symptoms.
Explanation:
Blisters can form on the skin for various reasons, including infections, skin reactions, or friction. In your case, given the recent history of a fungal infection on your foot, it’s possible that the same infection might have spread or that your skin is reacting in some way.
Since you mentioned that the blisters have increased slightly in size but have not produced new ones, and you don't have systemic symptoms (like fever or fatigue), this may not require immediate medical attention. However, monitoring their progression is key.
Next Steps:
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Do Not Pop the Blisters: It's best to avoid popping them as this can lead to infection or worsen the irritation. Keep the area clean and covered if necessary.
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Continue Using Calamine Lotion: This can help soothe the skin and relieve itching. If irritation continues, consider switching to a topical antibiotic ointment to prevent infection, unless you notice any signs of worsening.
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Monitor Symptoms: Keep an eye on the blisters for any changes. If they become red, painful, start to spread, or if you develop new symptoms (like fever, rash, or severe itching), you should consult a healthcare professional.
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Consider Seeking Help: If the blisters do not improve significantly in the next week or if you're concerned, consulting a dermatologist would be a wise choice. They can provide a specific diagnosis and appropriate treatment if needed.
Taking care of your skin and monitoring for changes should be your focus right now. If you have any further questions or notice any developments, feel free to reach out.
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