Excessive Sweating in High Temperatures
For the past two years, I've been grappling with an unusual sensitivity to heat. Temperatures exceeding 23°C cause me to sweat excessively. Just yesterday, I was outside for 3.5 hours in 30°C weather, primarily to visit the dentist. Out of that time, I spent about 2.5 hours in climate-controlled settings, such as while using public transport and during my appointment, leaving only an hour outdoors, where I tried to stay in the shade as much as possible. Before stepping out, I weighed in at 90 kg, but upon returning home, my weight dropped to 87.9 kg. I didn't consume any food or drink and didn't use the restroom during that period, leading to significant perspiration. My shirt and shorts were soaked by the time I reached the dentist, where I immediately headed to the restroom to clean myself up with cold water, but even 20 minutes later, I continued to sweat profusely. Additionally, I've noticed that my feet become bright red, hot, and slightly swollen whenever I'm outside for more than ten minutes. This symptom occurs regardless of the season, but it’s more pronounced in summer. My feet also have an adverse reaction to warm water; while the rest of my body feels just fine in lukewarm water during a shower, my feet and hands burn. I wonder if this issue is linked to my sweating problem. I brought my concerns to my cardiologist, but he dismissed them, stating that sweating in hot weather is quite normal. However, my experience leads me to believe that my heightened sensitivity to heat is not typical. Just last week, during a 26°C day, I spent two hours outside running errands in only a t-shirt, shorts, and lightweight shoes. I couldn’t help but notice that many others were comfortably dressed in long pants and even sweaters.
Answers (1)
8/13/2025, 6:31:30 PM
OpenHealth AI
It's understandable to be concerned about your excessive sweating and heat sensitivity, especially given how it affects your daily life. While sweating is a natural response to heat, the extent and accompanying symptoms you describe suggest that it may be worth further evaluation. Let's break down your situation and identify some potential next steps.
Main Points:
- Excessive sweating (hyperhidrosis) can sometimes occur and may be influenced by several factors.
- Your symptoms, including swelling and redness in your feet, need further investigation.
- There are practical steps to manage sweating and improve comfort in warm temperatures.
Explanation:
Excessive sweating can result from a condition called hyperhidrosis, where the body overreacts to heat or other triggers. It's not unusual for some people to sweat more than others, but your experience coupled with the reddening and swelling of your feet might suggest an underlying issue, such as a circulation or nerve reaction. Your symptoms could be exacerbated by dehydration, increased skin sensitivity, or other conditions that affect temperature regulation.
Next Steps:
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Stay Hydrated: It's crucial to drink plenty of fluids, especially when you know you'll be exposed to heat. Aim for water before, during, and after your time outside to prevent dehydration, which can compound your symptoms.
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Monitor Symptoms: Keep a detailed diary of your symptoms – note when they occur, their duration, and any accompanying activities. This information can help identify patterns or triggers and will be valuable if you seek further medical advice.
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Gradual Acclimatization: Gradually increase your time spent in warm conditions to help your body adapt. Start with short periods outside and gradually extend them while monitoring your symptoms.
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Manage Clothing Choices: Wear breathable, moisture-wicking clothing and shoes that allow your feet to breathe. Avoid tight footwear that could contribute to your swelling and redness.
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Explore Cooling Options: Consider using portable fans, cooling towels, or applying cold compresses to your feet when you start to notice discomfort from the heat.
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Seek Further Medical Evaluation: If your symptoms persist or worsen, it may be worthwhile to consult a dermatologist or a specialist in hyperhidrosis who can provide tailored advice and possibly recommend treatments, which could include topical medications or procedures.
Understandably, navigating this condition can be challenging, and your concerns are valid. Taking these steps can help manage symptoms more effectively while giving you a clearer picture of your health needs. If you have further questions or need more tailored advice, feel free to ask.
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